java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:36:39,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:36:39,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:36:39,272 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:36:39,273 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:36:39,274 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:36:39,275 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:36:39,277 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:36:39,279 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:36:39,280 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:36:39,281 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:36:39,281 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:36:39,282 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:36:39,283 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:36:39,284 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:36:39,285 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:36:39,286 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:36:39,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:36:39,290 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:36:39,292 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:36:39,293 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:36:39,294 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:36:39,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:36:39,298 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:36:39,298 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:36:39,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:36:39,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:36:39,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:36:39,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:36:39,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:36:39,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:36:39,308 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:36:39,309 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:36:39,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:36:39,310 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:36:39,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:36:39,311 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-09-30 21:36:39,341 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:36:39,342 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:36:39,343 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:36:39,343 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:36:39,346 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:36:39,346 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:36:39,347 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:36:39,347 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:36:39,347 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:36:39,347 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:36:39,347 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:36:39,348 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:36:39,348 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:36:39,348 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:36:39,348 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:36:39,348 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:36:39,349 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:36:39,349 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:36:39,349 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:36:39,349 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-30 21:36:39,350 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:36:39,350 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:36:39,350 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:36:39,351 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:36:39,351 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:36:39,351 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:36:39,351 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:36:39,351 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:36:39,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:36:39,352 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:36:39,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:36:39,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:36:39,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:36:39,447 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:36:39,447 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:36:39,449 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-30 21:36:39,449 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-30 21:36:39,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:36:39,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:36:39,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:39,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:36:39,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:36:39,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:36:39,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:36:39,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:36:39,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:36:39,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:36:39,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:36:39,582 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:36:39,582 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:36:39,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:36:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:36:39,659 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-30 21:36:39,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-30 21:36:39,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-30 21:36:39,847 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-30 21:36:39,847 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:39 BoogieIcfgContainer [2018-09-30 21:36:39,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:36:39,848 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:36:39,849 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:36:39,860 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:36:39,861 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:36:39" (1/1) ... [2018-09-30 21:36:39,875 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-30 21:36:39,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:39,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-30 21:36:39,920 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-30 21:36:39,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:36:39,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:40,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:40,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:40,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:40,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:40,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-30 21:36:40,420 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-30 21:36:40,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:40,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:40,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 8 states and 11 transitions. [2018-09-30 21:36:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 11 transitions. [2018-09-30 21:36:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:41,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:41,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:41,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-30 21:36:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-30 21:36:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:41,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:41,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2018-09-30 21:36:41,801 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2018-09-30 21:36:41,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:41,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:41,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 11 states and 17 transitions. [2018-09-30 21:36:41,883 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 17 transitions. [2018-09-30 21:36:41,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:41,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:41,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:41,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-09-30 21:36:41,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-09-30 21:36:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:41,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 13 states and 21 transitions. [2018-09-30 21:36:42,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 21 transitions. [2018-09-30 21:36:42,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 14 states and 23 transitions. [2018-09-30 21:36:42,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 23 transitions. [2018-09-30 21:36:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 15 states and 25 transitions. [2018-09-30 21:36:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 25 transitions. [2018-09-30 21:36:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-09-30 21:36:42,735 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-09-30 21:36:42,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 17 states and 29 transitions. [2018-09-30 21:36:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 29 transitions. [2018-09-30 21:36:42,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2018-09-30 21:36:42,898 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2018-09-30 21:36:42,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2018-09-30 21:36:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2018-09-30 21:36:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:42,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:42,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:43,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:43,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2018-09-30 21:36:43,039 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2018-09-30 21:36:43,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:43,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:43,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:43,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2018-09-30 21:36:43,107 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2018-09-30 21:36:43,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:43,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:43,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:43,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2018-09-30 21:36:43,351 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2018-09-30 21:36:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:43,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:43,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 23 states and 41 transitions. [2018-09-30 21:36:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 41 transitions. [2018-09-30 21:36:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:43,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:43,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 24 states and 43 transitions. [2018-09-30 21:36:43,983 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 43 transitions. [2018-09-30 21:36:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:43,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-09-30 21:36:44,168 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-09-30 21:36:44,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-09-30 21:36:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-09-30 21:36:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 27 states and 49 transitions. [2018-09-30 21:36:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 49 transitions. [2018-09-30 21:36:44,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-09-30 21:36:44,658 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-09-30 21:36:44,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2018-09-30 21:36:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2018-09-30 21:36:44,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2018-09-30 21:36:44,873 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2018-09-30 21:36:44,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:44,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:44,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 31 states and 57 transitions. [2018-09-30 21:36:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 57 transitions. [2018-09-30 21:36:44,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:44,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:44,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2018-09-30 21:36:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2018-09-30 21:36:45,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2018-09-30 21:36:45,174 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2018-09-30 21:36:45,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2018-09-30 21:36:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2018-09-30 21:36:45,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2018-09-30 21:36:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2018-09-30 21:36:45,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2018-09-30 21:36:45,354 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2018-09-30 21:36:45,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2018-09-30 21:36:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2018-09-30 21:36:45,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2018-09-30 21:36:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2018-09-30 21:36:45,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 39 states and 73 transitions. [2018-09-30 21:36:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 73 transitions. [2018-09-30 21:36:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 75 transitions. [2018-09-30 21:36:45,641 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 75 transitions. [2018-09-30 21:36:45,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2018-09-30 21:36:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2018-09-30 21:36:45,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2018-09-30 21:36:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2018-09-30 21:36:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2018-09-30 21:36:45,877 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2018-09-30 21:36:45,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:45,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2018-09-30 21:36:45,927 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2018-09-30 21:36:45,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:45,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:45,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:45,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:46,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:46,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 85 transitions. [2018-09-30 21:36:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 85 transitions. [2018-09-30 21:36:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:46,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:46,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:46,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:46,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 87 transitions. [2018-09-30 21:36:46,811 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2018-09-30 21:36:46,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:46,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:46,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:46,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 47 states and 89 transitions. [2018-09-30 21:36:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2018-09-30 21:36:46,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:46,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:46,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:46,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:46,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 91 transitions. [2018-09-30 21:36:46,971 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 91 transitions. [2018-09-30 21:36:46,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:46,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:46,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2018-09-30 21:36:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2018-09-30 21:36:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 95 transitions. [2018-09-30 21:36:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2018-09-30 21:36:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 97 transitions. [2018-09-30 21:36:47,164 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2018-09-30 21:36:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 52 states and 99 transitions. [2018-09-30 21:36:47,227 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 99 transitions. [2018-09-30 21:36:47,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2018-09-30 21:36:47,268 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2018-09-30 21:36:47,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 103 transitions. [2018-09-30 21:36:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 103 transitions. [2018-09-30 21:36:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2018-09-30 21:36:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2018-09-30 21:36:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 56 states and 107 transitions. [2018-09-30 21:36:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2018-09-30 21:36:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 57 states and 109 transitions. [2018-09-30 21:36:47,547 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 109 transitions. [2018-09-30 21:36:47,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 58 states and 111 transitions. [2018-09-30 21:36:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 111 transitions. [2018-09-30 21:36:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 113 transitions. [2018-09-30 21:36:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2018-09-30 21:36:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 115 transitions. [2018-09-30 21:36:47,823 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 115 transitions. [2018-09-30 21:36:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:47,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 117 transitions. [2018-09-30 21:36:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 117 transitions. [2018-09-30 21:36:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:47,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:47,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:47,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 62 states and 119 transitions. [2018-09-30 21:36:48,020 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 119 transitions. [2018-09-30 21:36:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 121 transitions. [2018-09-30 21:36:48,073 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 121 transitions. [2018-09-30 21:36:48,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 123 transitions. [2018-09-30 21:36:48,125 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 123 transitions. [2018-09-30 21:36:48,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2018-09-30 21:36:48,221 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2018-09-30 21:36:48,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 66 states and 127 transitions. [2018-09-30 21:36:48,264 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2018-09-30 21:36:48,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 67 states and 129 transitions. [2018-09-30 21:36:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 129 transitions. [2018-09-30 21:36:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 68 states and 131 transitions. [2018-09-30 21:36:48,393 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 131 transitions. [2018-09-30 21:36:48,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2018-09-30 21:36:48,898 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2018-09-30 21:36:48,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:48,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:48,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 70 states and 135 transitions. [2018-09-30 21:36:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2018-09-30 21:36:48,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:48,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:48,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2018-09-30 21:36:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2018-09-30 21:36:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 72 states and 139 transitions. [2018-09-30 21:36:49,086 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 139 transitions. [2018-09-30 21:36:49,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 73 states and 141 transitions. [2018-09-30 21:36:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2018-09-30 21:36:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 74 states and 143 transitions. [2018-09-30 21:36:49,281 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2018-09-30 21:36:49,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 75 states and 145 transitions. [2018-09-30 21:36:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 145 transitions. [2018-09-30 21:36:49,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 76 states and 147 transitions. [2018-09-30 21:36:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 147 transitions. [2018-09-30 21:36:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 149 transitions. [2018-09-30 21:36:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2018-09-30 21:36:49,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 151 transitions. [2018-09-30 21:36:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 151 transitions. [2018-09-30 21:36:49,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2018-09-30 21:36:49,856 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2018-09-30 21:36:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 80 states and 155 transitions. [2018-09-30 21:36:49,910 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2018-09-30 21:36:49,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:49,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 157 transitions. [2018-09-30 21:36:49,958 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 157 transitions. [2018-09-30 21:36:49,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:49,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:49,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:49,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 82 states and 159 transitions. [2018-09-30 21:36:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 159 transitions. [2018-09-30 21:36:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 83 states and 161 transitions. [2018-09-30 21:36:50,057 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 161 transitions. [2018-09-30 21:36:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 84 states and 163 transitions. [2018-09-30 21:36:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 163 transitions. [2018-09-30 21:36:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 85 states and 165 transitions. [2018-09-30 21:36:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 165 transitions. [2018-09-30 21:36:50,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 86 states and 167 transitions. [2018-09-30 21:36:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2018-09-30 21:36:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 169 transitions. [2018-09-30 21:36:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 169 transitions. [2018-09-30 21:36:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 88 states and 171 transitions. [2018-09-30 21:36:50,448 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2018-09-30 21:36:50,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,455 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 89 states and 173 transitions. [2018-09-30 21:36:50,486 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 173 transitions. [2018-09-30 21:36:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 90 states and 175 transitions. [2018-09-30 21:36:50,524 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 175 transitions. [2018-09-30 21:36:50,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2018-09-30 21:36:50,558 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2018-09-30 21:36:50,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 92 states and 179 transitions. [2018-09-30 21:36:50,607 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 179 transitions. [2018-09-30 21:36:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2018-09-30 21:36:50,902 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2018-09-30 21:36:50,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 94 states and 183 transitions. [2018-09-30 21:36:50,945 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2018-09-30 21:36:50,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:50,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:50,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 95 states and 185 transitions. [2018-09-30 21:36:51,002 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 185 transitions. [2018-09-30 21:36:51,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 187 transitions. [2018-09-30 21:36:51,173 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 187 transitions. [2018-09-30 21:36:51,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 97 states and 189 transitions. [2018-09-30 21:36:51,330 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 189 transitions. [2018-09-30 21:36:51,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 98 states and 191 transitions. [2018-09-30 21:36:51,364 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 191 transitions. [2018-09-30 21:36:51,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 99 states and 193 transitions. [2018-09-30 21:36:51,399 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 193 transitions. [2018-09-30 21:36:51,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 100 states and 195 transitions. [2018-09-30 21:36:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 195 transitions. [2018-09-30 21:36:51,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 101 states and 197 transitions. [2018-09-30 21:36:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 197 transitions. [2018-09-30 21:36:51,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 102 states and 199 transitions. [2018-09-30 21:36:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2018-09-30 21:36:51,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 201 transitions. [2018-09-30 21:36:51,670 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 201 transitions. [2018-09-30 21:36:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 104 states and 203 transitions. [2018-09-30 21:36:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 203 transitions. [2018-09-30 21:36:51,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 105 states and 205 transitions. [2018-09-30 21:36:51,749 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 205 transitions. [2018-09-30 21:36:51,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 106 states and 207 transitions. [2018-09-30 21:36:51,789 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2018-09-30 21:36:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 107 states and 209 transitions. [2018-09-30 21:36:51,831 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 209 transitions. [2018-09-30 21:36:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 108 states and 211 transitions. [2018-09-30 21:36:51,916 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 211 transitions. [2018-09-30 21:36:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 109 states and 213 transitions. [2018-09-30 21:36:51,951 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 213 transitions. [2018-09-30 21:36:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:51,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 110 states and 215 transitions. [2018-09-30 21:36:51,987 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 215 transitions. [2018-09-30 21:36:51,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:51,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:51,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 111 states and 217 transitions. [2018-09-30 21:36:52,021 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 217 transitions. [2018-09-30 21:36:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 112 states and 219 transitions. [2018-09-30 21:36:52,074 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 219 transitions. [2018-09-30 21:36:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 113 states and 221 transitions. [2018-09-30 21:36:52,123 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 221 transitions. [2018-09-30 21:36:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 114 states and 223 transitions. [2018-09-30 21:36:52,158 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2018-09-30 21:36:52,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 115 states and 225 transitions. [2018-09-30 21:36:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 225 transitions. [2018-09-30 21:36:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 116 states and 227 transitions. [2018-09-30 21:36:52,262 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 227 transitions. [2018-09-30 21:36:52,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 117 states and 229 transitions. [2018-09-30 21:36:52,297 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 229 transitions. [2018-09-30 21:36:52,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 118 states and 231 transitions. [2018-09-30 21:36:52,333 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 231 transitions. [2018-09-30 21:36:52,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 119 states and 233 transitions. [2018-09-30 21:36:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 233 transitions. [2018-09-30 21:36:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 120 states and 235 transitions. [2018-09-30 21:36:52,419 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 235 transitions. [2018-09-30 21:36:52,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 121 states and 237 transitions. [2018-09-30 21:36:52,533 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 237 transitions. [2018-09-30 21:36:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,539 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 122 states and 239 transitions. [2018-09-30 21:36:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 239 transitions. [2018-09-30 21:36:52,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 123 states and 241 transitions. [2018-09-30 21:36:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 241 transitions. [2018-09-30 21:36:52,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 124 states and 243 transitions. [2018-09-30 21:36:52,662 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 243 transitions. [2018-09-30 21:36:52,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 125 states and 245 transitions. [2018-09-30 21:36:52,705 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 245 transitions. [2018-09-30 21:36:52,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 126 states and 247 transitions. [2018-09-30 21:36:52,738 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 247 transitions. [2018-09-30 21:36:52,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 127 states and 249 transitions. [2018-09-30 21:36:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 249 transitions. [2018-09-30 21:36:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 128 states and 251 transitions. [2018-09-30 21:36:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 251 transitions. [2018-09-30 21:36:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 129 states and 253 transitions. [2018-09-30 21:36:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 253 transitions. [2018-09-30 21:36:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 130 states and 255 transitions. [2018-09-30 21:36:52,918 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 255 transitions. [2018-09-30 21:36:52,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 131 states and 257 transitions. [2018-09-30 21:36:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 257 transitions. [2018-09-30 21:36:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:52,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:52,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 132 states and 259 transitions. [2018-09-30 21:36:52,998 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 259 transitions. [2018-09-30 21:36:52,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:52,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 133 states and 261 transitions. [2018-09-30 21:36:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 261 transitions. [2018-09-30 21:36:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,063 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 134 states and 263 transitions. [2018-09-30 21:36:53,110 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 263 transitions. [2018-09-30 21:36:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 135 states and 265 transitions. [2018-09-30 21:36:53,168 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 265 transitions. [2018-09-30 21:36:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 136 states and 267 transitions. [2018-09-30 21:36:53,232 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 267 transitions. [2018-09-30 21:36:53,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 269 transitions. [2018-09-30 21:36:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 269 transitions. [2018-09-30 21:36:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 138 states and 271 transitions. [2018-09-30 21:36:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 271 transitions. [2018-09-30 21:36:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 139 states and 273 transitions. [2018-09-30 21:36:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 273 transitions. [2018-09-30 21:36:53,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 140 states and 275 transitions. [2018-09-30 21:36:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 275 transitions. [2018-09-30 21:36:53,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 141 states and 277 transitions. [2018-09-30 21:36:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 277 transitions. [2018-09-30 21:36:53,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 142 states and 279 transitions. [2018-09-30 21:36:53,564 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 279 transitions. [2018-09-30 21:36:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 143 states and 281 transitions. [2018-09-30 21:36:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 281 transitions. [2018-09-30 21:36:53,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 144 states and 283 transitions. [2018-09-30 21:36:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 283 transitions. [2018-09-30 21:36:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 145 states and 285 transitions. [2018-09-30 21:36:53,714 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 285 transitions. [2018-09-30 21:36:53,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 146 states and 287 transitions. [2018-09-30 21:36:53,750 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 287 transitions. [2018-09-30 21:36:53,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 147 states and 289 transitions. [2018-09-30 21:36:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 289 transitions. [2018-09-30 21:36:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 148 states and 291 transitions. [2018-09-30 21:36:53,824 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 291 transitions. [2018-09-30 21:36:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 149 states and 293 transitions. [2018-09-30 21:36:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 293 transitions. [2018-09-30 21:36:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 150 states and 295 transitions. [2018-09-30 21:36:53,903 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 295 transitions. [2018-09-30 21:36:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 151 states and 297 transitions. [2018-09-30 21:36:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 297 transitions. [2018-09-30 21:36:53,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:53,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:53,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 152 states and 299 transitions. [2018-09-30 21:36:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 299 transitions. [2018-09-30 21:36:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:53,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:54,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 153 states and 301 transitions. [2018-09-30 21:36:54,481 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 301 transitions. [2018-09-30 21:36:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:54,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:54,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:54,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:54,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:54,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 154 states and 303 transitions. [2018-09-30 21:36:54,914 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 303 transitions. [2018-09-30 21:36:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:54,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:54,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:54,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:54,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 155 states and 305 transitions. [2018-09-30 21:36:54,958 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 305 transitions. [2018-09-30 21:36:54,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:54,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:54,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 156 states and 307 transitions. [2018-09-30 21:36:55,003 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 307 transitions. [2018-09-30 21:36:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 157 states and 309 transitions. [2018-09-30 21:36:55,041 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 309 transitions. [2018-09-30 21:36:55,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 158 states and 311 transitions. [2018-09-30 21:36:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 311 transitions. [2018-09-30 21:36:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 159 states and 313 transitions. [2018-09-30 21:36:55,139 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 313 transitions. [2018-09-30 21:36:55,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 160 states and 315 transitions. [2018-09-30 21:36:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 315 transitions. [2018-09-30 21:36:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 161 states and 317 transitions. [2018-09-30 21:36:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 317 transitions. [2018-09-30 21:36:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 162 states and 319 transitions. [2018-09-30 21:36:55,288 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 319 transitions. [2018-09-30 21:36:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 163 states and 321 transitions. [2018-09-30 21:36:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 321 transitions. [2018-09-30 21:36:55,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 164 states and 323 transitions. [2018-09-30 21:36:55,401 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 323 transitions. [2018-09-30 21:36:55,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 165 states and 325 transitions. [2018-09-30 21:36:55,437 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 325 transitions. [2018-09-30 21:36:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 166 states and 327 transitions. [2018-09-30 21:36:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 327 transitions. [2018-09-30 21:36:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 329 transitions. [2018-09-30 21:36:55,514 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 329 transitions. [2018-09-30 21:36:55,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 331 transitions. [2018-09-30 21:36:55,552 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 331 transitions. [2018-09-30 21:36:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 169 states and 333 transitions. [2018-09-30 21:36:55,591 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 333 transitions. [2018-09-30 21:36:55,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:55,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 170 states and 335 transitions. [2018-09-30 21:36:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 335 transitions. [2018-09-30 21:36:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:55,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:55,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:56,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 171 states and 337 transitions. [2018-09-30 21:36:56,047 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 337 transitions. [2018-09-30 21:36:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:56,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:56,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 172 states and 339 transitions. [2018-09-30 21:36:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 339 transitions. [2018-09-30 21:36:56,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:56,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:56,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:56,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 173 states and 341 transitions. [2018-09-30 21:36:57,008 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 341 transitions. [2018-09-30 21:36:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 174 states and 343 transitions. [2018-09-30 21:36:57,116 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 343 transitions. [2018-09-30 21:36:57,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,121 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 175 states and 345 transitions. [2018-09-30 21:36:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 345 transitions. [2018-09-30 21:36:57,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 176 states and 347 transitions. [2018-09-30 21:36:57,184 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 347 transitions. [2018-09-30 21:36:57,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 177 states and 349 transitions. [2018-09-30 21:36:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 349 transitions. [2018-09-30 21:36:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 178 states and 351 transitions. [2018-09-30 21:36:57,278 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 351 transitions. [2018-09-30 21:36:57,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,284 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 179 states and 353 transitions. [2018-09-30 21:36:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 353 transitions. [2018-09-30 21:36:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,343 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 180 states and 355 transitions. [2018-09-30 21:36:57,460 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 355 transitions. [2018-09-30 21:36:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 181 states and 357 transitions. [2018-09-30 21:36:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 357 transitions. [2018-09-30 21:36:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 182 states and 359 transitions. [2018-09-30 21:36:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 359 transitions. [2018-09-30 21:36:57,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 183 states and 361 transitions. [2018-09-30 21:36:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 361 transitions. [2018-09-30 21:36:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 184 states and 363 transitions. [2018-09-30 21:36:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 363 transitions. [2018-09-30 21:36:57,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 185 states and 365 transitions. [2018-09-30 21:36:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 365 transitions. [2018-09-30 21:36:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 186 states and 367 transitions. [2018-09-30 21:36:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 367 transitions. [2018-09-30 21:36:57,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 187 states and 369 transitions. [2018-09-30 21:36:57,738 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 369 transitions. [2018-09-30 21:36:57,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 188 states and 371 transitions. [2018-09-30 21:36:57,776 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 371 transitions. [2018-09-30 21:36:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 189 states and 373 transitions. [2018-09-30 21:36:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 373 transitions. [2018-09-30 21:36:57,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:57,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:57,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 190 states and 375 transitions. [2018-09-30 21:36:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 375 transitions. [2018-09-30 21:36:57,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:57,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:57,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:57,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 191 states and 377 transitions. [2018-09-30 21:36:58,024 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 377 transitions. [2018-09-30 21:36:58,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 192 states and 379 transitions. [2018-09-30 21:36:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 379 transitions. [2018-09-30 21:36:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 193 states and 381 transitions. [2018-09-30 21:36:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 381 transitions. [2018-09-30 21:36:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 194 states and 383 transitions. [2018-09-30 21:36:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 383 transitions. [2018-09-30 21:36:58,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 195 states and 385 transitions. [2018-09-30 21:36:58,239 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 385 transitions. [2018-09-30 21:36:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 196 states and 387 transitions. [2018-09-30 21:36:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 387 transitions. [2018-09-30 21:36:58,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 197 states and 389 transitions. [2018-09-30 21:36:58,338 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 389 transitions. [2018-09-30 21:36:58,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 198 states and 391 transitions. [2018-09-30 21:36:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 391 transitions. [2018-09-30 21:36:58,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 199 states and 393 transitions. [2018-09-30 21:36:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 393 transitions. [2018-09-30 21:36:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 200 states and 395 transitions. [2018-09-30 21:36:58,520 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 395 transitions. [2018-09-30 21:36:58,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 201 states and 397 transitions. [2018-09-30 21:36:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 397 transitions. [2018-09-30 21:36:58,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 202 states and 399 transitions. [2018-09-30 21:36:58,602 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 399 transitions. [2018-09-30 21:36:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 203 states and 401 transitions. [2018-09-30 21:36:58,640 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 401 transitions. [2018-09-30 21:36:58,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 204 states and 403 transitions. [2018-09-30 21:36:58,682 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 403 transitions. [2018-09-30 21:36:58,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,688 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 205 states and 405 transitions. [2018-09-30 21:36:58,721 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 405 transitions. [2018-09-30 21:36:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 206 states and 407 transitions. [2018-09-30 21:36:58,761 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 407 transitions. [2018-09-30 21:36:58,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 207 states and 409 transitions. [2018-09-30 21:36:58,806 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 409 transitions. [2018-09-30 21:36:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 208 states and 411 transitions. [2018-09-30 21:36:58,842 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 411 transitions. [2018-09-30 21:36:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 209 states and 413 transitions. [2018-09-30 21:36:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 413 transitions. [2018-09-30 21:36:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 210 states and 415 transitions. [2018-09-30 21:36:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 415 transitions. [2018-09-30 21:36:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:58,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:58,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 211 states and 417 transitions. [2018-09-30 21:36:58,971 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 417 transitions. [2018-09-30 21:36:58,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:58,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:58,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 212 states and 419 transitions. [2018-09-30 21:36:59,014 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 419 transitions. [2018-09-30 21:36:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 213 states and 421 transitions. [2018-09-30 21:36:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 421 transitions. [2018-09-30 21:36:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 214 states and 423 transitions. [2018-09-30 21:36:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 423 transitions. [2018-09-30 21:36:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 215 states and 425 transitions. [2018-09-30 21:36:59,157 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 425 transitions. [2018-09-30 21:36:59,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 216 states and 427 transitions. [2018-09-30 21:36:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 427 transitions. [2018-09-30 21:36:59,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 217 states and 429 transitions. [2018-09-30 21:36:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 429 transitions. [2018-09-30 21:36:59,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 218 states and 431 transitions. [2018-09-30 21:36:59,271 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 431 transitions. [2018-09-30 21:36:59,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 219 states and 433 transitions. [2018-09-30 21:36:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 433 transitions. [2018-09-30 21:36:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 220 states and 435 transitions. [2018-09-30 21:36:59,352 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 435 transitions. [2018-09-30 21:36:59,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 221 states and 437 transitions. [2018-09-30 21:36:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 437 transitions. [2018-09-30 21:36:59,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 222 states and 439 transitions. [2018-09-30 21:36:59,437 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 439 transitions. [2018-09-30 21:36:59,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 223 states and 441 transitions. [2018-09-30 21:36:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 441 transitions. [2018-09-30 21:36:59,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,914 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:36:59,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:36:59,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 224 states and 443 transitions. [2018-09-30 21:36:59,964 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 443 transitions. [2018-09-30 21:36:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:36:59,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:36:59,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:36:59,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:36:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 225 states and 445 transitions. [2018-09-30 21:37:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 445 transitions. [2018-09-30 21:37:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 226 states and 447 transitions. [2018-09-30 21:37:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 447 transitions. [2018-09-30 21:37:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 227 states and 449 transitions. [2018-09-30 21:37:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 449 transitions. [2018-09-30 21:37:00,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 228 states and 451 transitions. [2018-09-30 21:37:00,205 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 451 transitions. [2018-09-30 21:37:00,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 229 states and 453 transitions. [2018-09-30 21:37:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 453 transitions. [2018-09-30 21:37:00,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 230 states and 455 transitions. [2018-09-30 21:37:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 455 transitions. [2018-09-30 21:37:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 231 states and 457 transitions. [2018-09-30 21:37:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 457 transitions. [2018-09-30 21:37:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 232 states and 459 transitions. [2018-09-30 21:37:00,405 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 459 transitions. [2018-09-30 21:37:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 233 states and 461 transitions. [2018-09-30 21:37:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 461 transitions. [2018-09-30 21:37:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 234 states and 463 transitions. [2018-09-30 21:37:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 463 transitions. [2018-09-30 21:37:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 235 states and 465 transitions. [2018-09-30 21:37:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 465 transitions. [2018-09-30 21:37:00,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 236 states and 467 transitions. [2018-09-30 21:37:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 467 transitions. [2018-09-30 21:37:00,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 237 states and 469 transitions. [2018-09-30 21:37:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 469 transitions. [2018-09-30 21:37:00,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 238 states and 471 transitions. [2018-09-30 21:37:00,724 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 471 transitions. [2018-09-30 21:37:00,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 239 states and 473 transitions. [2018-09-30 21:37:00,763 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 473 transitions. [2018-09-30 21:37:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 240 states and 475 transitions. [2018-09-30 21:37:00,805 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 475 transitions. [2018-09-30 21:37:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 241 states and 477 transitions. [2018-09-30 21:37:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 477 transitions. [2018-09-30 21:37:00,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 242 states and 479 transitions. [2018-09-30 21:37:00,952 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 479 transitions. [2018-09-30 21:37:00,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:00,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 243 states and 481 transitions. [2018-09-30 21:37:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 481 transitions. [2018-09-30 21:37:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:00,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 244 states and 483 transitions. [2018-09-30 21:37:01,040 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 483 transitions. [2018-09-30 21:37:01,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 245 states and 485 transitions. [2018-09-30 21:37:01,091 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 485 transitions. [2018-09-30 21:37:01,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 246 states and 487 transitions. [2018-09-30 21:37:01,145 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 487 transitions. [2018-09-30 21:37:01,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 247 states and 489 transitions. [2018-09-30 21:37:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 489 transitions. [2018-09-30 21:37:01,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 248 states and 491 transitions. [2018-09-30 21:37:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 491 transitions. [2018-09-30 21:37:01,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 249 states and 493 transitions. [2018-09-30 21:37:01,291 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 493 transitions. [2018-09-30 21:37:01,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 250 states and 495 transitions. [2018-09-30 21:37:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 495 transitions. [2018-09-30 21:37:01,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 251 states and 497 transitions. [2018-09-30 21:37:01,406 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 497 transitions. [2018-09-30 21:37:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 252 states and 499 transitions. [2018-09-30 21:37:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 499 transitions. [2018-09-30 21:37:01,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 253 states and 501 transitions. [2018-09-30 21:37:01,499 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 501 transitions. [2018-09-30 21:37:01,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 254 states and 503 transitions. [2018-09-30 21:37:01,537 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 503 transitions. [2018-09-30 21:37:01,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 255 states and 505 transitions. [2018-09-30 21:37:01,579 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 505 transitions. [2018-09-30 21:37:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 256 states and 507 transitions. [2018-09-30 21:37:01,618 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 507 transitions. [2018-09-30 21:37:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 257 states and 509 transitions. [2018-09-30 21:37:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 509 transitions. [2018-09-30 21:37:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:01,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:01,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 258 states and 511 transitions. [2018-09-30 21:37:01,974 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 511 transitions. [2018-09-30 21:37:01,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:01,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:01,980 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 259 states and 513 transitions. [2018-09-30 21:37:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 513 transitions. [2018-09-30 21:37:02,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 260 states and 515 transitions. [2018-09-30 21:37:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 515 transitions. [2018-09-30 21:37:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 261 states and 517 transitions. [2018-09-30 21:37:02,111 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 517 transitions. [2018-09-30 21:37:02,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 262 states and 519 transitions. [2018-09-30 21:37:02,172 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 519 transitions. [2018-09-30 21:37:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 263 states and 521 transitions. [2018-09-30 21:37:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 521 transitions. [2018-09-30 21:37:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 264 states and 523 transitions. [2018-09-30 21:37:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 523 transitions. [2018-09-30 21:37:02,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 265 states and 525 transitions. [2018-09-30 21:37:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 525 transitions. [2018-09-30 21:37:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 266 states and 527 transitions. [2018-09-30 21:37:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 527 transitions. [2018-09-30 21:37:02,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 267 states and 529 transitions. [2018-09-30 21:37:02,396 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 529 transitions. [2018-09-30 21:37:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 268 states and 531 transitions. [2018-09-30 21:37:02,435 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 531 transitions. [2018-09-30 21:37:02,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 269 states and 533 transitions. [2018-09-30 21:37:02,486 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 533 transitions. [2018-09-30 21:37:02,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 270 states and 535 transitions. [2018-09-30 21:37:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 535 transitions. [2018-09-30 21:37:02,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 271 states and 537 transitions. [2018-09-30 21:37:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 537 transitions. [2018-09-30 21:37:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 272 states and 539 transitions. [2018-09-30 21:37:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 539 transitions. [2018-09-30 21:37:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 273 states and 541 transitions. [2018-09-30 21:37:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 541 transitions. [2018-09-30 21:37:02,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 274 states and 543 transitions. [2018-09-30 21:37:02,708 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 543 transitions. [2018-09-30 21:37:02,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 275 states and 545 transitions. [2018-09-30 21:37:02,751 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 545 transitions. [2018-09-30 21:37:02,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 276 states and 547 transitions. [2018-09-30 21:37:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 547 transitions. [2018-09-30 21:37:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,801 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 277 states and 549 transitions. [2018-09-30 21:37:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 549 transitions. [2018-09-30 21:37:02,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 278 states and 551 transitions. [2018-09-30 21:37:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 551 transitions. [2018-09-30 21:37:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 279 states and 553 transitions. [2018-09-30 21:37:02,928 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 553 transitions. [2018-09-30 21:37:02,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 280 states and 555 transitions. [2018-09-30 21:37:02,969 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 555 transitions. [2018-09-30 21:37:02,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:02,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:02,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 281 states and 557 transitions. [2018-09-30 21:37:03,012 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 557 transitions. [2018-09-30 21:37:03,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 282 states and 559 transitions. [2018-09-30 21:37:03,054 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 559 transitions. [2018-09-30 21:37:03,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 283 states and 561 transitions. [2018-09-30 21:37:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 561 transitions. [2018-09-30 21:37:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 284 states and 563 transitions. [2018-09-30 21:37:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 563 transitions. [2018-09-30 21:37:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 285 states and 565 transitions. [2018-09-30 21:37:03,178 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 565 transitions. [2018-09-30 21:37:03,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 286 states and 567 transitions. [2018-09-30 21:37:03,219 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 567 transitions. [2018-09-30 21:37:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 287 states and 569 transitions. [2018-09-30 21:37:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 569 transitions. [2018-09-30 21:37:03,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 288 states and 571 transitions. [2018-09-30 21:37:03,308 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 571 transitions. [2018-09-30 21:37:03,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 289 states and 573 transitions. [2018-09-30 21:37:03,351 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 573 transitions. [2018-09-30 21:37:03,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 290 states and 575 transitions. [2018-09-30 21:37:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 575 transitions. [2018-09-30 21:37:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 291 states and 577 transitions. [2018-09-30 21:37:03,434 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 577 transitions. [2018-09-30 21:37:03,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 292 states and 579 transitions. [2018-09-30 21:37:03,477 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 579 transitions. [2018-09-30 21:37:03,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 293 states and 581 transitions. [2018-09-30 21:37:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 581 transitions. [2018-09-30 21:37:03,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 294 states and 583 transitions. [2018-09-30 21:37:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 583 transitions. [2018-09-30 21:37:03,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 295 states and 585 transitions. [2018-09-30 21:37:03,743 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 585 transitions. [2018-09-30 21:37:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 296 states and 587 transitions. [2018-09-30 21:37:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 587 transitions. [2018-09-30 21:37:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 297 states and 589 transitions. [2018-09-30 21:37:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 589 transitions. [2018-09-30 21:37:03,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 298 states and 591 transitions. [2018-09-30 21:37:03,893 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 591 transitions. [2018-09-30 21:37:03,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 299 states and 593 transitions. [2018-09-30 21:37:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 593 transitions. [2018-09-30 21:37:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:03,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 300 states and 595 transitions. [2018-09-30 21:37:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 595 transitions. [2018-09-30 21:37:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:03,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:03,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 301 states and 597 transitions. [2018-09-30 21:37:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 597 transitions. [2018-09-30 21:37:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 302 states and 599 transitions. [2018-09-30 21:37:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 599 transitions. [2018-09-30 21:37:04,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 303 states and 601 transitions. [2018-09-30 21:37:04,099 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 601 transitions. [2018-09-30 21:37:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 304 states and 603 transitions. [2018-09-30 21:37:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 603 transitions. [2018-09-30 21:37:04,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 305 states and 605 transitions. [2018-09-30 21:37:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 605 transitions. [2018-09-30 21:37:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 306 states and 607 transitions. [2018-09-30 21:37:04,239 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 607 transitions. [2018-09-30 21:37:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 307 states and 609 transitions. [2018-09-30 21:37:04,315 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 609 transitions. [2018-09-30 21:37:04,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 308 states and 611 transitions. [2018-09-30 21:37:04,354 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 611 transitions. [2018-09-30 21:37:04,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 309 states and 613 transitions. [2018-09-30 21:37:04,392 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 613 transitions. [2018-09-30 21:37:04,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 310 states and 615 transitions. [2018-09-30 21:37:04,438 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 615 transitions. [2018-09-30 21:37:04,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 311 states and 617 transitions. [2018-09-30 21:37:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 617 transitions. [2018-09-30 21:37:04,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 312 states and 619 transitions. [2018-09-30 21:37:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 619 transitions. [2018-09-30 21:37:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 313 states and 621 transitions. [2018-09-30 21:37:04,563 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 621 transitions. [2018-09-30 21:37:04,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 314 states and 623 transitions. [2018-09-30 21:37:04,606 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 623 transitions. [2018-09-30 21:37:04,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 315 states and 625 transitions. [2018-09-30 21:37:04,652 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 625 transitions. [2018-09-30 21:37:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 316 states and 627 transitions. [2018-09-30 21:37:04,696 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 627 transitions. [2018-09-30 21:37:04,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 317 states and 629 transitions. [2018-09-30 21:37:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 629 transitions. [2018-09-30 21:37:04,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 318 states and 631 transitions. [2018-09-30 21:37:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 631 transitions. [2018-09-30 21:37:04,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 319 states and 633 transitions. [2018-09-30 21:37:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 633 transitions. [2018-09-30 21:37:04,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 320 states and 635 transitions. [2018-09-30 21:37:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 635 transitions. [2018-09-30 21:37:04,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:04,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:04,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 321 states and 637 transitions. [2018-09-30 21:37:04,974 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 637 transitions. [2018-09-30 21:37:04,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:04,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:04,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 322 states and 639 transitions. [2018-09-30 21:37:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 639 transitions. [2018-09-30 21:37:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 323 states and 641 transitions. [2018-09-30 21:37:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 641 transitions. [2018-09-30 21:37:05,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 324 states and 643 transitions. [2018-09-30 21:37:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 643 transitions. [2018-09-30 21:37:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 325 states and 645 transitions. [2018-09-30 21:37:05,237 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 645 transitions. [2018-09-30 21:37:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 326 states and 647 transitions. [2018-09-30 21:37:05,281 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 647 transitions. [2018-09-30 21:37:05,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 327 states and 649 transitions. [2018-09-30 21:37:05,322 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 649 transitions. [2018-09-30 21:37:05,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 328 states and 651 transitions. [2018-09-30 21:37:05,366 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 651 transitions. [2018-09-30 21:37:05,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 329 states and 653 transitions. [2018-09-30 21:37:05,408 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 653 transitions. [2018-09-30 21:37:05,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 330 states and 655 transitions. [2018-09-30 21:37:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 655 transitions. [2018-09-30 21:37:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 331 states and 657 transitions. [2018-09-30 21:37:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 657 transitions. [2018-09-30 21:37:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 332 states and 659 transitions. [2018-09-30 21:37:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 659 transitions. [2018-09-30 21:37:05,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 333 states and 661 transitions. [2018-09-30 21:37:05,674 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 661 transitions. [2018-09-30 21:37:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 334 states and 663 transitions. [2018-09-30 21:37:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 663 transitions. [2018-09-30 21:37:05,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 335 states and 665 transitions. [2018-09-30 21:37:05,774 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 665 transitions. [2018-09-30 21:37:05,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 336 states and 667 transitions. [2018-09-30 21:37:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 667 transitions. [2018-09-30 21:37:05,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,845 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:05,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:05,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 337 states and 669 transitions. [2018-09-30 21:37:05,877 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 669 transitions. [2018-09-30 21:37:05,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:05,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:05,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:05,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 338 states and 671 transitions. [2018-09-30 21:37:06,356 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 671 transitions. [2018-09-30 21:37:06,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 339 states and 673 transitions. [2018-09-30 21:37:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 673 transitions. [2018-09-30 21:37:06,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 340 states and 675 transitions. [2018-09-30 21:37:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 675 transitions. [2018-09-30 21:37:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 341 states and 677 transitions. [2018-09-30 21:37:06,698 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 677 transitions. [2018-09-30 21:37:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 342 states and 679 transitions. [2018-09-30 21:37:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 679 transitions. [2018-09-30 21:37:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,748 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 343 states and 681 transitions. [2018-09-30 21:37:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 681 transitions. [2018-09-30 21:37:06,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 344 states and 683 transitions. [2018-09-30 21:37:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 683 transitions. [2018-09-30 21:37:06,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 345 states and 685 transitions. [2018-09-30 21:37:06,903 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 685 transitions. [2018-09-30 21:37:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 346 states and 687 transitions. [2018-09-30 21:37:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 687 transitions. [2018-09-30 21:37:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:06,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:06,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 347 states and 689 transitions. [2018-09-30 21:37:06,991 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 689 transitions. [2018-09-30 21:37:06,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:06,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:06,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 348 states and 691 transitions. [2018-09-30 21:37:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 691 transitions. [2018-09-30 21:37:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 349 states and 693 transitions. [2018-09-30 21:37:07,082 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 693 transitions. [2018-09-30 21:37:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 350 states and 695 transitions. [2018-09-30 21:37:07,127 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 695 transitions. [2018-09-30 21:37:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 351 states and 697 transitions. [2018-09-30 21:37:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 697 transitions. [2018-09-30 21:37:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 352 states and 699 transitions. [2018-09-30 21:37:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 699 transitions. [2018-09-30 21:37:07,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 353 states and 701 transitions. [2018-09-30 21:37:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 701 transitions. [2018-09-30 21:37:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 354 states and 703 transitions. [2018-09-30 21:37:07,317 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 703 transitions. [2018-09-30 21:37:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 355 states and 705 transitions. [2018-09-30 21:37:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 705 transitions. [2018-09-30 21:37:07,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 356 states and 707 transitions. [2018-09-30 21:37:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 707 transitions. [2018-09-30 21:37:07,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,425 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 357 states and 709 transitions. [2018-09-30 21:37:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 709 transitions. [2018-09-30 21:37:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 358 states and 711 transitions. [2018-09-30 21:37:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 711 transitions. [2018-09-30 21:37:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 359 states and 713 transitions. [2018-09-30 21:37:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 713 transitions. [2018-09-30 21:37:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 360 states and 715 transitions. [2018-09-30 21:37:07,612 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 715 transitions. [2018-09-30 21:37:07,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 361 states and 717 transitions. [2018-09-30 21:37:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 717 transitions. [2018-09-30 21:37:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 362 states and 719 transitions. [2018-09-30 21:37:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 719 transitions. [2018-09-30 21:37:07,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 363 states and 721 transitions. [2018-09-30 21:37:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 721 transitions. [2018-09-30 21:37:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:07,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:07,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 364 states and 723 transitions. [2018-09-30 21:37:08,005 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 723 transitions. [2018-09-30 21:37:08,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 365 states and 725 transitions. [2018-09-30 21:37:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 725 transitions. [2018-09-30 21:37:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 366 states and 727 transitions. [2018-09-30 21:37:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 727 transitions. [2018-09-30 21:37:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 367 states and 729 transitions. [2018-09-30 21:37:08,177 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 729 transitions. [2018-09-30 21:37:08,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,185 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 368 states and 731 transitions. [2018-09-30 21:37:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 731 transitions. [2018-09-30 21:37:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 369 states and 733 transitions. [2018-09-30 21:37:08,260 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 733 transitions. [2018-09-30 21:37:08,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,266 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 370 states and 735 transitions. [2018-09-30 21:37:08,303 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 735 transitions. [2018-09-30 21:37:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 371 states and 737 transitions. [2018-09-30 21:37:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 737 transitions. [2018-09-30 21:37:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 372 states and 739 transitions. [2018-09-30 21:37:08,412 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 739 transitions. [2018-09-30 21:37:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 373 states and 741 transitions. [2018-09-30 21:37:08,454 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 741 transitions. [2018-09-30 21:37:08,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 374 states and 743 transitions. [2018-09-30 21:37:08,500 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 743 transitions. [2018-09-30 21:37:08,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 375 states and 745 transitions. [2018-09-30 21:37:08,547 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 745 transitions. [2018-09-30 21:37:08,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 376 states and 747 transitions. [2018-09-30 21:37:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 747 transitions. [2018-09-30 21:37:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 377 states and 749 transitions. [2018-09-30 21:37:08,635 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 749 transitions. [2018-09-30 21:37:08,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 378 states and 751 transitions. [2018-09-30 21:37:08,708 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 751 transitions. [2018-09-30 21:37:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 379 states and 753 transitions. [2018-09-30 21:37:08,751 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 753 transitions. [2018-09-30 21:37:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 380 states and 755 transitions. [2018-09-30 21:37:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 755 transitions. [2018-09-30 21:37:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 381 states and 757 transitions. [2018-09-30 21:37:08,846 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 757 transitions. [2018-09-30 21:37:08,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 382 states and 759 transitions. [2018-09-30 21:37:08,889 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 759 transitions. [2018-09-30 21:37:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,895 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 383 states and 761 transitions. [2018-09-30 21:37:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 761 transitions. [2018-09-30 21:37:08,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:08,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:08,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 384 states and 763 transitions. [2018-09-30 21:37:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 763 transitions. [2018-09-30 21:37:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:08,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:08,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 385 states and 765 transitions. [2018-09-30 21:37:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 765 transitions. [2018-09-30 21:37:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 386 states and 767 transitions. [2018-09-30 21:37:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 767 transitions. [2018-09-30 21:37:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 387 states and 769 transitions. [2018-09-30 21:37:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 769 transitions. [2018-09-30 21:37:09,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 388 states and 771 transitions. [2018-09-30 21:37:09,166 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 771 transitions. [2018-09-30 21:37:09,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,177 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 389 states and 773 transitions. [2018-09-30 21:37:09,264 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 773 transitions. [2018-09-30 21:37:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 390 states and 775 transitions. [2018-09-30 21:37:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 775 transitions. [2018-09-30 21:37:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 391 states and 777 transitions. [2018-09-30 21:37:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 777 transitions. [2018-09-30 21:37:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 392 states and 779 transitions. [2018-09-30 21:37:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 779 transitions. [2018-09-30 21:37:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 393 states and 781 transitions. [2018-09-30 21:37:09,475 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 781 transitions. [2018-09-30 21:37:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 394 states and 783 transitions. [2018-09-30 21:37:09,518 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 783 transitions. [2018-09-30 21:37:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 395 states and 785 transitions. [2018-09-30 21:37:09,564 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 785 transitions. [2018-09-30 21:37:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 396 states and 787 transitions. [2018-09-30 21:37:09,614 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 787 transitions. [2018-09-30 21:37:09,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 397 states and 789 transitions. [2018-09-30 21:37:09,658 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 789 transitions. [2018-09-30 21:37:09,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 398 states and 791 transitions. [2018-09-30 21:37:09,701 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 791 transitions. [2018-09-30 21:37:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 399 states and 793 transitions. [2018-09-30 21:37:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 793 transitions. [2018-09-30 21:37:09,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 400 states and 795 transitions. [2018-09-30 21:37:09,795 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 795 transitions. [2018-09-30 21:37:09,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 401 states and 797 transitions. [2018-09-30 21:37:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 797 transitions. [2018-09-30 21:37:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 402 states and 799 transitions. [2018-09-30 21:37:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 799 transitions. [2018-09-30 21:37:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:09,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 403 states and 801 transitions. [2018-09-30 21:37:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 801 transitions. [2018-09-30 21:37:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:09,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:09,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:09,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 404 states and 803 transitions. [2018-09-30 21:37:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 803 transitions. [2018-09-30 21:37:10,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 405 states and 805 transitions. [2018-09-30 21:37:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 805 transitions. [2018-09-30 21:37:10,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 406 states and 807 transitions. [2018-09-30 21:37:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 807 transitions. [2018-09-30 21:37:10,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 407 states and 809 transitions. [2018-09-30 21:37:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 809 transitions. [2018-09-30 21:37:10,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 408 states and 811 transitions. [2018-09-30 21:37:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 811 transitions. [2018-09-30 21:37:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 409 states and 813 transitions. [2018-09-30 21:37:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 813 transitions. [2018-09-30 21:37:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 410 states and 815 transitions. [2018-09-30 21:37:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 815 transitions. [2018-09-30 21:37:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 411 states and 817 transitions. [2018-09-30 21:37:10,485 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 817 transitions. [2018-09-30 21:37:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 412 states and 819 transitions. [2018-09-30 21:37:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 819 transitions. [2018-09-30 21:37:10,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 413 states and 821 transitions. [2018-09-30 21:37:10,576 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 821 transitions. [2018-09-30 21:37:10,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 414 states and 823 transitions. [2018-09-30 21:37:10,624 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 823 transitions. [2018-09-30 21:37:10,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 415 states and 825 transitions. [2018-09-30 21:37:10,674 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 825 transitions. [2018-09-30 21:37:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 416 states and 827 transitions. [2018-09-30 21:37:10,722 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 827 transitions. [2018-09-30 21:37:10,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 417 states and 829 transitions. [2018-09-30 21:37:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 829 transitions. [2018-09-30 21:37:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 418 states and 831 transitions. [2018-09-30 21:37:10,821 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 831 transitions. [2018-09-30 21:37:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 419 states and 833 transitions. [2018-09-30 21:37:10,870 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 833 transitions. [2018-09-30 21:37:10,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 420 states and 835 transitions. [2018-09-30 21:37:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 835 transitions. [2018-09-30 21:37:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:10,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 421 states and 837 transitions. [2018-09-30 21:37:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 837 transitions. [2018-09-30 21:37:10,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:10,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:10,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 422 states and 839 transitions. [2018-09-30 21:37:11,043 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 839 transitions. [2018-09-30 21:37:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 423 states and 841 transitions. [2018-09-30 21:37:11,099 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 841 transitions. [2018-09-30 21:37:11,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 424 states and 843 transitions. [2018-09-30 21:37:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 843 transitions. [2018-09-30 21:37:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 425 states and 845 transitions. [2018-09-30 21:37:11,217 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 845 transitions. [2018-09-30 21:37:11,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,224 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 426 states and 847 transitions. [2018-09-30 21:37:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 847 transitions. [2018-09-30 21:37:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 427 states and 849 transitions. [2018-09-30 21:37:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 849 transitions. [2018-09-30 21:37:11,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 428 states and 851 transitions. [2018-09-30 21:37:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 851 transitions. [2018-09-30 21:37:11,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 429 states and 853 transitions. [2018-09-30 21:37:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 853 transitions. [2018-09-30 21:37:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 430 states and 855 transitions. [2018-09-30 21:37:11,474 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 855 transitions. [2018-09-30 21:37:11,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 431 states and 857 transitions. [2018-09-30 21:37:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 857 transitions. [2018-09-30 21:37:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 432 states and 859 transitions. [2018-09-30 21:37:11,569 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 859 transitions. [2018-09-30 21:37:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 433 states and 861 transitions. [2018-09-30 21:37:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 861 transitions. [2018-09-30 21:37:11,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 434 states and 863 transitions. [2018-09-30 21:37:11,678 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 863 transitions. [2018-09-30 21:37:11,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 435 states and 865 transitions. [2018-09-30 21:37:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 865 transitions. [2018-09-30 21:37:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 436 states and 867 transitions. [2018-09-30 21:37:11,775 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 867 transitions. [2018-09-30 21:37:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 437 states and 869 transitions. [2018-09-30 21:37:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 869 transitions. [2018-09-30 21:37:11,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 438 states and 871 transitions. [2018-09-30 21:37:11,871 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 871 transitions. [2018-09-30 21:37:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 439 states and 873 transitions. [2018-09-30 21:37:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 873 transitions. [2018-09-30 21:37:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:11,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:11,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 440 states and 875 transitions. [2018-09-30 21:37:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 875 transitions. [2018-09-30 21:37:11,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:11,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:11,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 441 states and 877 transitions. [2018-09-30 21:37:12,011 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 877 transitions. [2018-09-30 21:37:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,021 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 442 states and 879 transitions. [2018-09-30 21:37:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 879 transitions. [2018-09-30 21:37:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 443 states and 881 transitions. [2018-09-30 21:37:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 881 transitions. [2018-09-30 21:37:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 444 states and 883 transitions. [2018-09-30 21:37:12,161 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 883 transitions. [2018-09-30 21:37:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 445 states and 885 transitions. [2018-09-30 21:37:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 885 transitions. [2018-09-30 21:37:12,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 446 states and 887 transitions. [2018-09-30 21:37:12,261 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 887 transitions. [2018-09-30 21:37:12,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 447 states and 889 transitions. [2018-09-30 21:37:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 889 transitions. [2018-09-30 21:37:12,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 448 states and 891 transitions. [2018-09-30 21:37:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 891 transitions. [2018-09-30 21:37:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 449 states and 893 transitions. [2018-09-30 21:37:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 893 transitions. [2018-09-30 21:37:12,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 450 states and 895 transitions. [2018-09-30 21:37:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 895 transitions. [2018-09-30 21:37:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 451 states and 897 transitions. [2018-09-30 21:37:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 897 transitions. [2018-09-30 21:37:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 452 states and 899 transitions. [2018-09-30 21:37:12,556 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 899 transitions. [2018-09-30 21:37:12,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 453 states and 901 transitions. [2018-09-30 21:37:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 901 transitions. [2018-09-30 21:37:12,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 454 states and 903 transitions. [2018-09-30 21:37:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 903 transitions. [2018-09-30 21:37:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 455 states and 905 transitions. [2018-09-30 21:37:12,767 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 905 transitions. [2018-09-30 21:37:12,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 456 states and 907 transitions. [2018-09-30 21:37:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 907 transitions. [2018-09-30 21:37:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 457 states and 909 transitions. [2018-09-30 21:37:12,860 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 909 transitions. [2018-09-30 21:37:12,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 458 states and 911 transitions. [2018-09-30 21:37:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 911 transitions. [2018-09-30 21:37:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:12,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:12,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 459 states and 913 transitions. [2018-09-30 21:37:12,956 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 913 transitions. [2018-09-30 21:37:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:12,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:12,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 460 states and 915 transitions. [2018-09-30 21:37:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 915 transitions. [2018-09-30 21:37:13,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,010 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 461 states and 917 transitions. [2018-09-30 21:37:13,053 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 917 transitions. [2018-09-30 21:37:13,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 462 states and 919 transitions. [2018-09-30 21:37:13,102 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 919 transitions. [2018-09-30 21:37:13,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 463 states and 921 transitions. [2018-09-30 21:37:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 921 transitions. [2018-09-30 21:37:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 464 states and 923 transitions. [2018-09-30 21:37:13,209 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 923 transitions. [2018-09-30 21:37:13,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,216 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 465 states and 925 transitions. [2018-09-30 21:37:13,259 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 925 transitions. [2018-09-30 21:37:13,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 466 states and 927 transitions. [2018-09-30 21:37:13,339 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 927 transitions. [2018-09-30 21:37:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 467 states and 929 transitions. [2018-09-30 21:37:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 929 transitions. [2018-09-30 21:37:13,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 468 states and 931 transitions. [2018-09-30 21:37:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 931 transitions. [2018-09-30 21:37:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 469 states and 933 transitions. [2018-09-30 21:37:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 933 transitions. [2018-09-30 21:37:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 470 states and 935 transitions. [2018-09-30 21:37:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 935 transitions. [2018-09-30 21:37:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 471 states and 937 transitions. [2018-09-30 21:37:13,587 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 937 transitions. [2018-09-30 21:37:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 472 states and 939 transitions. [2018-09-30 21:37:13,638 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 939 transitions. [2018-09-30 21:37:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 473 states and 941 transitions. [2018-09-30 21:37:13,687 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 941 transitions. [2018-09-30 21:37:13,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 474 states and 943 transitions. [2018-09-30 21:37:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 943 transitions. [2018-09-30 21:37:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 475 states and 945 transitions. [2018-09-30 21:37:13,788 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 945 transitions. [2018-09-30 21:37:13,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 476 states and 947 transitions. [2018-09-30 21:37:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 947 transitions. [2018-09-30 21:37:13,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 477 states and 949 transitions. [2018-09-30 21:37:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 949 transitions. [2018-09-30 21:37:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:13,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 478 states and 951 transitions. [2018-09-30 21:37:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 951 transitions. [2018-09-30 21:37:13,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:13,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:13,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:13,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 479 states and 953 transitions. [2018-09-30 21:37:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 953 transitions. [2018-09-30 21:37:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 480 states and 955 transitions. [2018-09-30 21:37:14,069 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 955 transitions. [2018-09-30 21:37:14,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 481 states and 957 transitions. [2018-09-30 21:37:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 957 transitions. [2018-09-30 21:37:14,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 482 states and 959 transitions. [2018-09-30 21:37:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 959 transitions. [2018-09-30 21:37:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 483 states and 961 transitions. [2018-09-30 21:37:14,217 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 961 transitions. [2018-09-30 21:37:14,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 484 states and 963 transitions. [2018-09-30 21:37:14,265 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 963 transitions. [2018-09-30 21:37:14,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 485 states and 965 transitions. [2018-09-30 21:37:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 965 transitions. [2018-09-30 21:37:14,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 486 states and 967 transitions. [2018-09-30 21:37:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 967 transitions. [2018-09-30 21:37:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,373 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 487 states and 969 transitions. [2018-09-30 21:37:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 969 transitions. [2018-09-30 21:37:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 488 states and 971 transitions. [2018-09-30 21:37:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 971 transitions. [2018-09-30 21:37:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,479 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 973 states to 489 states and 973 transitions. [2018-09-30 21:37:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 973 transitions. [2018-09-30 21:37:14,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 490 states and 975 transitions. [2018-09-30 21:37:14,575 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 975 transitions. [2018-09-30 21:37:14,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 491 states and 977 transitions. [2018-09-30 21:37:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 977 transitions. [2018-09-30 21:37:14,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 492 states and 979 transitions. [2018-09-30 21:37:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 979 transitions. [2018-09-30 21:37:14,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 493 states and 981 transitions. [2018-09-30 21:37:14,726 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 981 transitions. [2018-09-30 21:37:14,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 494 states and 983 transitions. [2018-09-30 21:37:14,777 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 983 transitions. [2018-09-30 21:37:14,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 495 states and 985 transitions. [2018-09-30 21:37:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 985 transitions. [2018-09-30 21:37:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 987 states to 496 states and 987 transitions. [2018-09-30 21:37:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 987 transitions. [2018-09-30 21:37:14,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:14,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:14,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 497 states and 989 transitions. [2018-09-30 21:37:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 989 transitions. [2018-09-30 21:37:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:14,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:14,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 498 states and 991 transitions. [2018-09-30 21:37:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 991 transitions. [2018-09-30 21:37:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 499 states and 993 transitions. [2018-09-30 21:37:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 993 transitions. [2018-09-30 21:37:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 500 states and 995 transitions. [2018-09-30 21:37:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 995 transitions. [2018-09-30 21:37:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 501 states and 997 transitions. [2018-09-30 21:37:15,191 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 997 transitions. [2018-09-30 21:37:15,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 502 states and 999 transitions. [2018-09-30 21:37:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 999 transitions. [2018-09-30 21:37:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 503 states and 1001 transitions. [2018-09-30 21:37:15,324 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 1001 transitions. [2018-09-30 21:37:15,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 504 states and 1003 transitions. [2018-09-30 21:37:15,386 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 1003 transitions. [2018-09-30 21:37:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 505 states and 1005 transitions. [2018-09-30 21:37:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 1005 transitions. [2018-09-30 21:37:15,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 506 states and 1007 transitions. [2018-09-30 21:37:15,504 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 1007 transitions. [2018-09-30 21:37:15,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 507 states and 1009 transitions. [2018-09-30 21:37:15,560 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 1009 transitions. [2018-09-30 21:37:15,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 508 states and 1011 transitions. [2018-09-30 21:37:15,646 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 1011 transitions. [2018-09-30 21:37:15,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 509 states and 1013 transitions. [2018-09-30 21:37:15,702 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1013 transitions. [2018-09-30 21:37:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,720 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 510 states and 1015 transitions. [2018-09-30 21:37:15,769 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1015 transitions. [2018-09-30 21:37:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 511 states and 1017 transitions. [2018-09-30 21:37:15,827 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1017 transitions. [2018-09-30 21:37:15,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 512 states and 1019 transitions. [2018-09-30 21:37:15,899 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1019 transitions. [2018-09-30 21:37:15,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 513 states and 1021 transitions. [2018-09-30 21:37:15,954 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1021 transitions. [2018-09-30 21:37:15,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:15,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:15,960 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:15,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1023 states to 514 states and 1023 transitions. [2018-09-30 21:37:16,001 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 1023 transitions. [2018-09-30 21:37:16,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 515 states and 1025 transitions. [2018-09-30 21:37:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1025 transitions. [2018-09-30 21:37:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 516 states and 1027 transitions. [2018-09-30 21:37:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1027 transitions. [2018-09-30 21:37:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 517 states and 1029 transitions. [2018-09-30 21:37:16,168 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 1029 transitions. [2018-09-30 21:37:16,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 518 states and 1031 transitions. [2018-09-30 21:37:16,234 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1031 transitions. [2018-09-30 21:37:16,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 519 states and 1033 transitions. [2018-09-30 21:37:16,422 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 1033 transitions. [2018-09-30 21:37:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 520 states and 1035 transitions. [2018-09-30 21:37:16,465 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 1035 transitions. [2018-09-30 21:37:16,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 521 states and 1037 transitions. [2018-09-30 21:37:16,511 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 1037 transitions. [2018-09-30 21:37:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 522 states and 1039 transitions. [2018-09-30 21:37:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1039 transitions. [2018-09-30 21:37:16,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 523 states and 1041 transitions. [2018-09-30 21:37:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1041 transitions. [2018-09-30 21:37:16,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 524 states and 1043 transitions. [2018-09-30 21:37:16,653 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1043 transitions. [2018-09-30 21:37:16,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 525 states and 1045 transitions. [2018-09-30 21:37:16,704 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1045 transitions. [2018-09-30 21:37:16,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 526 states and 1047 transitions. [2018-09-30 21:37:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1047 transitions. [2018-09-30 21:37:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 527 states and 1049 transitions. [2018-09-30 21:37:16,833 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 1049 transitions. [2018-09-30 21:37:16,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:16,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 528 states and 1051 transitions. [2018-09-30 21:37:16,960 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1051 transitions. [2018-09-30 21:37:16,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:16,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:16,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:16,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:16,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 529 states and 1053 transitions. [2018-09-30 21:37:17,004 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 1053 transitions. [2018-09-30 21:37:17,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 530 states and 1055 transitions. [2018-09-30 21:37:17,050 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 1055 transitions. [2018-09-30 21:37:17,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 531 states and 1057 transitions. [2018-09-30 21:37:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1057 transitions. [2018-09-30 21:37:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 532 states and 1059 transitions. [2018-09-30 21:37:17,147 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1059 transitions. [2018-09-30 21:37:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1061 states to 533 states and 1061 transitions. [2018-09-30 21:37:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 1061 transitions. [2018-09-30 21:37:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 534 states and 1063 transitions. [2018-09-30 21:37:17,246 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1063 transitions. [2018-09-30 21:37:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 535 states and 1065 transitions. [2018-09-30 21:37:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 1065 transitions. [2018-09-30 21:37:17,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 536 states and 1067 transitions. [2018-09-30 21:37:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1067 transitions. [2018-09-30 21:37:17,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1069 states to 537 states and 1069 transitions. [2018-09-30 21:37:17,397 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1069 transitions. [2018-09-30 21:37:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 538 states and 1071 transitions. [2018-09-30 21:37:17,447 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1071 transitions. [2018-09-30 21:37:17,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 539 states and 1073 transitions. [2018-09-30 21:37:17,500 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1073 transitions. [2018-09-30 21:37:17,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 540 states and 1075 transitions. [2018-09-30 21:37:17,553 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1075 transitions. [2018-09-30 21:37:17,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 541 states and 1077 transitions. [2018-09-30 21:37:17,606 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 1077 transitions. [2018-09-30 21:37:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 542 states and 1079 transitions. [2018-09-30 21:37:17,657 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 1079 transitions. [2018-09-30 21:37:17,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 543 states and 1081 transitions. [2018-09-30 21:37:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1081 transitions. [2018-09-30 21:37:17,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1083 states to 544 states and 1083 transitions. [2018-09-30 21:37:17,762 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1083 transitions. [2018-09-30 21:37:17,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 545 states and 1085 transitions. [2018-09-30 21:37:17,846 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 1085 transitions. [2018-09-30 21:37:17,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 546 states and 1087 transitions. [2018-09-30 21:37:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1087 transitions. [2018-09-30 21:37:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 547 states and 1089 transitions. [2018-09-30 21:37:17,942 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1089 transitions. [2018-09-30 21:37:17,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:17,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 548 states and 1091 transitions. [2018-09-30 21:37:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 1091 transitions. [2018-09-30 21:37:17,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:17,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 549 states and 1093 transitions. [2018-09-30 21:37:18,062 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1093 transitions. [2018-09-30 21:37:18,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 550 states and 1095 transitions. [2018-09-30 21:37:18,113 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1095 transitions. [2018-09-30 21:37:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 551 states and 1097 transitions. [2018-09-30 21:37:18,161 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1097 transitions. [2018-09-30 21:37:18,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 552 states and 1099 transitions. [2018-09-30 21:37:18,217 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 1099 transitions. [2018-09-30 21:37:18,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 553 states and 1101 transitions. [2018-09-30 21:37:18,267 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1101 transitions. [2018-09-30 21:37:18,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 554 states and 1103 transitions. [2018-09-30 21:37:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1103 transitions. [2018-09-30 21:37:18,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 555 states and 1105 transitions. [2018-09-30 21:37:18,387 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1105 transitions. [2018-09-30 21:37:18,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 556 states and 1107 transitions. [2018-09-30 21:37:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 1107 transitions. [2018-09-30 21:37:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 557 states and 1109 transitions. [2018-09-30 21:37:18,908 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1109 transitions. [2018-09-30 21:37:18,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:18,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:18,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:18,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 558 states and 1111 transitions. [2018-09-30 21:37:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1111 transitions. [2018-09-30 21:37:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 559 states and 1113 transitions. [2018-09-30 21:37:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1113 transitions. [2018-09-30 21:37:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 560 states and 1115 transitions. [2018-09-30 21:37:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1115 transitions. [2018-09-30 21:37:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 561 states and 1117 transitions. [2018-09-30 21:37:19,508 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1117 transitions. [2018-09-30 21:37:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 562 states and 1119 transitions. [2018-09-30 21:37:19,558 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1119 transitions. [2018-09-30 21:37:19,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 563 states and 1121 transitions. [2018-09-30 21:37:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1121 transitions. [2018-09-30 21:37:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 564 states and 1123 transitions. [2018-09-30 21:37:19,662 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 1123 transitions. [2018-09-30 21:37:19,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 565 states and 1125 transitions. [2018-09-30 21:37:19,864 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1125 transitions. [2018-09-30 21:37:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 566 states and 1127 transitions. [2018-09-30 21:37:19,911 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1127 transitions. [2018-09-30 21:37:19,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:19,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:19,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:19,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 567 states and 1129 transitions. [2018-09-30 21:37:19,982 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1129 transitions. [2018-09-30 21:37:19,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:19,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:19,989 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 568 states and 1131 transitions. [2018-09-30 21:37:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1131 transitions. [2018-09-30 21:37:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:20,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:20,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:20,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:20,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 569 states and 1133 transitions. [2018-09-30 21:37:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1133 transitions. [2018-09-30 21:37:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:20,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:20,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 570 states and 1135 transitions. [2018-09-30 21:37:21,439 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1135 transitions. [2018-09-30 21:37:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 571 states and 1137 transitions. [2018-09-30 21:37:21,575 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1137 transitions. [2018-09-30 21:37:21,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 572 states and 1139 transitions. [2018-09-30 21:37:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1139 transitions. [2018-09-30 21:37:21,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 573 states and 1141 transitions. [2018-09-30 21:37:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 1141 transitions. [2018-09-30 21:37:21,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 574 states and 1143 transitions. [2018-09-30 21:37:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1143 transitions. [2018-09-30 21:37:21,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 575 states and 1145 transitions. [2018-09-30 21:37:21,818 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1145 transitions. [2018-09-30 21:37:21,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 576 states and 1147 transitions. [2018-09-30 21:37:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1147 transitions. [2018-09-30 21:37:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 577 states and 1149 transitions. [2018-09-30 21:37:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1149 transitions. [2018-09-30 21:37:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 578 states and 1151 transitions. [2018-09-30 21:37:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 1151 transitions. [2018-09-30 21:37:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:21,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:21,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:21,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 579 states and 1153 transitions. [2018-09-30 21:37:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1153 transitions. [2018-09-30 21:37:22,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 580 states and 1155 transitions. [2018-09-30 21:37:22,084 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 1155 transitions. [2018-09-30 21:37:22,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 581 states and 1157 transitions. [2018-09-30 21:37:22,138 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1157 transitions. [2018-09-30 21:37:22,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 582 states and 1159 transitions. [2018-09-30 21:37:22,190 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1159 transitions. [2018-09-30 21:37:22,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 583 states and 1161 transitions. [2018-09-30 21:37:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 1161 transitions. [2018-09-30 21:37:22,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 584 states and 1163 transitions. [2018-09-30 21:37:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 1163 transitions. [2018-09-30 21:37:22,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 585 states and 1165 transitions. [2018-09-30 21:37:22,419 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 1165 transitions. [2018-09-30 21:37:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 586 states and 1167 transitions. [2018-09-30 21:37:22,471 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 1167 transitions. [2018-09-30 21:37:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 587 states and 1169 transitions. [2018-09-30 21:37:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1169 transitions. [2018-09-30 21:37:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 588 states and 1171 transitions. [2018-09-30 21:37:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1171 transitions. [2018-09-30 21:37:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 589 states and 1173 transitions. [2018-09-30 21:37:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 1173 transitions. [2018-09-30 21:37:22,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 590 states and 1175 transitions. [2018-09-30 21:37:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 1175 transitions. [2018-09-30 21:37:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 591 states and 1177 transitions. [2018-09-30 21:37:22,781 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1177 transitions. [2018-09-30 21:37:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 592 states and 1179 transitions. [2018-09-30 21:37:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 1179 transitions. [2018-09-30 21:37:22,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 593 states and 1181 transitions. [2018-09-30 21:37:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1181 transitions. [2018-09-30 21:37:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:22,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:22,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 594 states and 1183 transitions. [2018-09-30 21:37:22,971 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1183 transitions. [2018-09-30 21:37:22,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:22,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:22,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:22,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 595 states and 1185 transitions. [2018-09-30 21:37:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 1185 transitions. [2018-09-30 21:37:23,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 596 states and 1187 transitions. [2018-09-30 21:37:23,072 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1187 transitions. [2018-09-30 21:37:23,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 597 states and 1189 transitions. [2018-09-30 21:37:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1189 transitions. [2018-09-30 21:37:23,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 598 states and 1191 transitions. [2018-09-30 21:37:23,180 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1191 transitions. [2018-09-30 21:37:23,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 599 states and 1193 transitions. [2018-09-30 21:37:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1193 transitions. [2018-09-30 21:37:23,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 600 states and 1195 transitions. [2018-09-30 21:37:23,329 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1195 transitions. [2018-09-30 21:37:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,334 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 601 states and 1197 transitions. [2018-09-30 21:37:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 1197 transitions. [2018-09-30 21:37:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 602 states and 1199 transitions. [2018-09-30 21:37:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 1199 transitions. [2018-09-30 21:37:23,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 603 states and 1201 transitions. [2018-09-30 21:37:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1201 transitions. [2018-09-30 21:37:23,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 604 states and 1203 transitions. [2018-09-30 21:37:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1203 transitions. [2018-09-30 21:37:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 605 states and 1205 transitions. [2018-09-30 21:37:23,640 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1205 transitions. [2018-09-30 21:37:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 606 states and 1207 transitions. [2018-09-30 21:37:23,695 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1207 transitions. [2018-09-30 21:37:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 607 states and 1209 transitions. [2018-09-30 21:37:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1209 transitions. [2018-09-30 21:37:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 608 states and 1211 transitions. [2018-09-30 21:37:23,906 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1211 transitions. [2018-09-30 21:37:23,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:23,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:23,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 609 states and 1213 transitions. [2018-09-30 21:37:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1213 transitions. [2018-09-30 21:37:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:23,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:23,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:23,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 610 states and 1215 transitions. [2018-09-30 21:37:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1215 transitions. [2018-09-30 21:37:24,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 611 states and 1217 transitions. [2018-09-30 21:37:24,053 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 1217 transitions. [2018-09-30 21:37:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 612 states and 1219 transitions. [2018-09-30 21:37:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 1219 transitions. [2018-09-30 21:37:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 613 states and 1221 transitions. [2018-09-30 21:37:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 1221 transitions. [2018-09-30 21:37:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 614 states and 1223 transitions. [2018-09-30 21:37:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1223 transitions. [2018-09-30 21:37:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 615 states and 1225 transitions. [2018-09-30 21:37:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 1225 transitions. [2018-09-30 21:37:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 616 states and 1227 transitions. [2018-09-30 21:37:24,323 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 1227 transitions. [2018-09-30 21:37:24,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 617 states and 1229 transitions. [2018-09-30 21:37:24,374 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1229 transitions. [2018-09-30 21:37:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 618 states and 1231 transitions. [2018-09-30 21:37:24,429 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1231 transitions. [2018-09-30 21:37:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 619 states and 1233 transitions. [2018-09-30 21:37:24,482 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1233 transitions. [2018-09-30 21:37:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 620 states and 1235 transitions. [2018-09-30 21:37:24,536 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 1235 transitions. [2018-09-30 21:37:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 621 states and 1237 transitions. [2018-09-30 21:37:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 1237 transitions. [2018-09-30 21:37:24,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 622 states and 1239 transitions. [2018-09-30 21:37:24,644 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1239 transitions. [2018-09-30 21:37:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 623 states and 1241 transitions. [2018-09-30 21:37:24,698 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 1241 transitions. [2018-09-30 21:37:24,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 624 states and 1243 transitions. [2018-09-30 21:37:24,752 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1243 transitions. [2018-09-30 21:37:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 625 states and 1245 transitions. [2018-09-30 21:37:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 1245 transitions. [2018-09-30 21:37:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,813 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 626 states and 1247 transitions. [2018-09-30 21:37:24,861 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1247 transitions. [2018-09-30 21:37:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 627 states and 1249 transitions. [2018-09-30 21:37:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1249 transitions. [2018-09-30 21:37:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 628 states and 1251 transitions. [2018-09-30 21:37:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 1251 transitions. [2018-09-30 21:37:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:24,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:24,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 629 states and 1253 transitions. [2018-09-30 21:37:25,019 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 1253 transitions. [2018-09-30 21:37:25,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 630 states and 1255 transitions. [2018-09-30 21:37:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 1255 transitions. [2018-09-30 21:37:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 631 states and 1257 transitions. [2018-09-30 21:37:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 1257 transitions. [2018-09-30 21:37:25,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 632 states and 1259 transitions. [2018-09-30 21:37:25,186 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1259 transitions. [2018-09-30 21:37:25,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 633 states and 1261 transitions. [2018-09-30 21:37:25,421 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1261 transitions. [2018-09-30 21:37:25,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 634 states and 1263 transitions. [2018-09-30 21:37:25,490 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1263 transitions. [2018-09-30 21:37:25,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 635 states and 1265 transitions. [2018-09-30 21:37:25,552 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1265 transitions. [2018-09-30 21:37:25,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 636 states and 1267 transitions. [2018-09-30 21:37:25,614 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1267 transitions. [2018-09-30 21:37:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 637 states and 1269 transitions. [2018-09-30 21:37:25,735 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1269 transitions. [2018-09-30 21:37:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 638 states and 1271 transitions. [2018-09-30 21:37:25,785 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1271 transitions. [2018-09-30 21:37:25,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,791 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 639 states and 1273 transitions. [2018-09-30 21:37:25,840 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1273 transitions. [2018-09-30 21:37:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 640 states and 1275 transitions. [2018-09-30 21:37:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1275 transitions. [2018-09-30 21:37:25,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:25,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 641 states and 1277 transitions. [2018-09-30 21:37:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1277 transitions. [2018-09-30 21:37:25,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:25,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:25,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 642 states and 1279 transitions. [2018-09-30 21:37:26,002 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1279 transitions. [2018-09-30 21:37:26,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 643 states and 1281 transitions. [2018-09-30 21:37:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1281 transitions. [2018-09-30 21:37:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 644 states and 1283 transitions. [2018-09-30 21:37:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1283 transitions. [2018-09-30 21:37:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 645 states and 1285 transitions. [2018-09-30 21:37:26,178 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1285 transitions. [2018-09-30 21:37:26,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 646 states and 1287 transitions. [2018-09-30 21:37:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 1287 transitions. [2018-09-30 21:37:26,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 647 states and 1289 transitions. [2018-09-30 21:37:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1289 transitions. [2018-09-30 21:37:26,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 648 states and 1291 transitions. [2018-09-30 21:37:26,355 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1291 transitions. [2018-09-30 21:37:26,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 649 states and 1293 transitions. [2018-09-30 21:37:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 1293 transitions. [2018-09-30 21:37:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 650 states and 1295 transitions. [2018-09-30 21:37:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1295 transitions. [2018-09-30 21:37:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 651 states and 1297 transitions. [2018-09-30 21:37:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 1297 transitions. [2018-09-30 21:37:26,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 652 states and 1299 transitions. [2018-09-30 21:37:26,662 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1299 transitions. [2018-09-30 21:37:26,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 653 states and 1301 transitions. [2018-09-30 21:37:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1301 transitions. [2018-09-30 21:37:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1303 states to 654 states and 1303 transitions. [2018-09-30 21:37:26,767 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1303 transitions. [2018-09-30 21:37:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 655 states and 1305 transitions. [2018-09-30 21:37:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1305 transitions. [2018-09-30 21:37:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 656 states and 1307 transitions. [2018-09-30 21:37:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1307 transitions. [2018-09-30 21:37:26,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 657 states and 1309 transitions. [2018-09-30 21:37:26,930 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1309 transitions. [2018-09-30 21:37:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:26,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 658 states and 1311 transitions. [2018-09-30 21:37:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1311 transitions. [2018-09-30 21:37:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:26,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 659 states and 1313 transitions. [2018-09-30 21:37:27,060 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1313 transitions. [2018-09-30 21:37:27,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 660 states and 1315 transitions. [2018-09-30 21:37:27,114 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1315 transitions. [2018-09-30 21:37:27,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 661 states and 1317 transitions. [2018-09-30 21:37:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1317 transitions. [2018-09-30 21:37:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 662 states and 1319 transitions. [2018-09-30 21:37:27,228 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1319 transitions. [2018-09-30 21:37:27,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 663 states and 1321 transitions. [2018-09-30 21:37:27,282 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1321 transitions. [2018-09-30 21:37:27,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1323 states to 664 states and 1323 transitions. [2018-09-30 21:37:27,341 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 1323 transitions. [2018-09-30 21:37:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 665 states and 1325 transitions. [2018-09-30 21:37:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1325 transitions. [2018-09-30 21:37:27,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 666 states and 1327 transitions. [2018-09-30 21:37:27,483 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1327 transitions. [2018-09-30 21:37:27,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 667 states and 1329 transitions. [2018-09-30 21:37:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1329 transitions. [2018-09-30 21:37:27,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1331 states to 668 states and 1331 transitions. [2018-09-30 21:37:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 1331 transitions. [2018-09-30 21:37:27,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 669 states and 1333 transitions. [2018-09-30 21:37:27,658 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1333 transitions. [2018-09-30 21:37:27,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 670 states and 1335 transitions. [2018-09-30 21:37:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1335 transitions. [2018-09-30 21:37:27,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 671 states and 1337 transitions. [2018-09-30 21:37:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1337 transitions. [2018-09-30 21:37:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 672 states and 1339 transitions. [2018-09-30 21:37:27,877 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1339 transitions. [2018-09-30 21:37:27,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:27,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 673 states and 1341 transitions. [2018-09-30 21:37:27,959 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1341 transitions. [2018-09-30 21:37:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:27,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:27,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 674 states and 1343 transitions. [2018-09-30 21:37:28,017 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1343 transitions. [2018-09-30 21:37:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 675 states and 1345 transitions. [2018-09-30 21:37:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1345 transitions. [2018-09-30 21:37:28,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 676 states and 1347 transitions. [2018-09-30 21:37:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1347 transitions. [2018-09-30 21:37:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 677 states and 1349 transitions. [2018-09-30 21:37:28,205 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1349 transitions. [2018-09-30 21:37:28,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 678 states and 1351 transitions. [2018-09-30 21:37:28,259 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1351 transitions. [2018-09-30 21:37:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 679 states and 1353 transitions. [2018-09-30 21:37:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1353 transitions. [2018-09-30 21:37:28,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 680 states and 1355 transitions. [2018-09-30 21:37:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 1355 transitions. [2018-09-30 21:37:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 681 states and 1357 transitions. [2018-09-30 21:37:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1357 transitions. [2018-09-30 21:37:28,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 682 states and 1359 transitions. [2018-09-30 21:37:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1359 transitions. [2018-09-30 21:37:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 683 states and 1361 transitions. [2018-09-30 21:37:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 1361 transitions. [2018-09-30 21:37:28,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 684 states and 1363 transitions. [2018-09-30 21:37:28,605 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 1363 transitions. [2018-09-30 21:37:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 685 states and 1365 transitions. [2018-09-30 21:37:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 1365 transitions. [2018-09-30 21:37:28,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 686 states and 1367 transitions. [2018-09-30 21:37:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1367 transitions. [2018-09-30 21:37:28,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 687 states and 1369 transitions. [2018-09-30 21:37:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1369 transitions. [2018-09-30 21:37:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 688 states and 1371 transitions. [2018-09-30 21:37:28,830 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1371 transitions. [2018-09-30 21:37:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 689 states and 1373 transitions. [2018-09-30 21:37:28,886 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 1373 transitions. [2018-09-30 21:37:28,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 690 states and 1375 transitions. [2018-09-30 21:37:28,943 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1375 transitions. [2018-09-30 21:37:28,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:28,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:28,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:28,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 691 states and 1377 transitions. [2018-09-30 21:37:28,999 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1377 transitions. [2018-09-30 21:37:29,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 692 states and 1379 transitions. [2018-09-30 21:37:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1379 transitions. [2018-09-30 21:37:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 693 states and 1381 transitions. [2018-09-30 21:37:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 1381 transitions. [2018-09-30 21:37:29,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 694 states and 1383 transitions. [2018-09-30 21:37:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1383 transitions. [2018-09-30 21:37:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 695 states and 1385 transitions. [2018-09-30 21:37:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1385 transitions. [2018-09-30 21:37:29,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 696 states and 1387 transitions. [2018-09-30 21:37:29,314 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1387 transitions. [2018-09-30 21:37:29,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 697 states and 1389 transitions. [2018-09-30 21:37:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1389 transitions. [2018-09-30 21:37:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 698 states and 1391 transitions. [2018-09-30 21:37:29,478 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1391 transitions. [2018-09-30 21:37:29,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 699 states and 1393 transitions. [2018-09-30 21:37:29,533 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1393 transitions. [2018-09-30 21:37:29,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 700 states and 1395 transitions. [2018-09-30 21:37:29,587 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1395 transitions. [2018-09-30 21:37:29,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 701 states and 1397 transitions. [2018-09-30 21:37:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1397 transitions. [2018-09-30 21:37:29,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1399 states to 702 states and 1399 transitions. [2018-09-30 21:37:29,702 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1399 transitions. [2018-09-30 21:37:29,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 703 states and 1401 transitions. [2018-09-30 21:37:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1401 transitions. [2018-09-30 21:37:29,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 704 states and 1403 transitions. [2018-09-30 21:37:29,812 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1403 transitions. [2018-09-30 21:37:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 705 states and 1405 transitions. [2018-09-30 21:37:29,874 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1405 transitions. [2018-09-30 21:37:29,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 706 states and 1407 transitions. [2018-09-30 21:37:29,930 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1407 transitions. [2018-09-30 21:37:29,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:29,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:29,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:29,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1409 states to 707 states and 1409 transitions. [2018-09-30 21:37:29,986 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1409 transitions. [2018-09-30 21:37:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:29,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:29,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 708 states and 1411 transitions. [2018-09-30 21:37:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1411 transitions. [2018-09-30 21:37:30,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 709 states and 1413 transitions. [2018-09-30 21:37:30,103 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1413 transitions. [2018-09-30 21:37:30,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,109 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 710 states and 1415 transitions. [2018-09-30 21:37:30,159 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1415 transitions. [2018-09-30 21:37:30,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 711 states and 1417 transitions. [2018-09-30 21:37:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1417 transitions. [2018-09-30 21:37:30,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 712 states and 1419 transitions. [2018-09-30 21:37:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1419 transitions. [2018-09-30 21:37:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 713 states and 1421 transitions. [2018-09-30 21:37:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1421 transitions. [2018-09-30 21:37:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1423 states to 714 states and 1423 transitions. [2018-09-30 21:37:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 1423 transitions. [2018-09-30 21:37:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 715 states and 1425 transitions. [2018-09-30 21:37:30,455 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1425 transitions. [2018-09-30 21:37:30,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 716 states and 1427 transitions. [2018-09-30 21:37:30,525 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1427 transitions. [2018-09-30 21:37:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1429 states to 717 states and 1429 transitions. [2018-09-30 21:37:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1429 transitions. [2018-09-30 21:37:30,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 718 states and 1431 transitions. [2018-09-30 21:37:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1431 transitions. [2018-09-30 21:37:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 719 states and 1433 transitions. [2018-09-30 21:37:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1433 transitions. [2018-09-30 21:37:30,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 720 states and 1435 transitions. [2018-09-30 21:37:30,803 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 1435 transitions. [2018-09-30 21:37:30,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 721 states and 1437 transitions. [2018-09-30 21:37:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1437 transitions. [2018-09-30 21:37:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 722 states and 1439 transitions. [2018-09-30 21:37:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1439 transitions. [2018-09-30 21:37:30,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 723 states and 1441 transitions. [2018-09-30 21:37:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1441 transitions. [2018-09-30 21:37:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:30,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:30,979 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:30,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 724 states and 1443 transitions. [2018-09-30 21:37:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1443 transitions. [2018-09-30 21:37:31,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 725 states and 1445 transitions. [2018-09-30 21:37:31,088 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1445 transitions. [2018-09-30 21:37:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 726 states and 1447 transitions. [2018-09-30 21:37:31,145 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 1447 transitions. [2018-09-30 21:37:31,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 727 states and 1449 transitions. [2018-09-30 21:37:31,202 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1449 transitions. [2018-09-30 21:37:31,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 728 states and 1451 transitions. [2018-09-30 21:37:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1451 transitions. [2018-09-30 21:37:31,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 729 states and 1453 transitions. [2018-09-30 21:37:31,320 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1453 transitions. [2018-09-30 21:37:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 730 states and 1455 transitions. [2018-09-30 21:37:31,385 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 1455 transitions. [2018-09-30 21:37:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 731 states and 1457 transitions. [2018-09-30 21:37:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1457 transitions. [2018-09-30 21:37:31,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 732 states and 1459 transitions. [2018-09-30 21:37:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1459 transitions. [2018-09-30 21:37:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 733 states and 1461 transitions. [2018-09-30 21:37:31,573 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1461 transitions. [2018-09-30 21:37:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 734 states and 1463 transitions. [2018-09-30 21:37:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1463 transitions. [2018-09-30 21:37:31,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,636 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 735 states and 1465 transitions. [2018-09-30 21:37:31,688 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1465 transitions. [2018-09-30 21:37:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 736 states and 1467 transitions. [2018-09-30 21:37:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1467 transitions. [2018-09-30 21:37:31,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 737 states and 1469 transitions. [2018-09-30 21:37:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1469 transitions. [2018-09-30 21:37:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 738 states and 1471 transitions. [2018-09-30 21:37:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 1471 transitions. [2018-09-30 21:37:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 739 states and 1473 transitions. [2018-09-30 21:37:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 1473 transitions. [2018-09-30 21:37:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:31,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 740 states and 1475 transitions. [2018-09-30 21:37:32,035 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1475 transitions. [2018-09-30 21:37:32,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 741 states and 1477 transitions. [2018-09-30 21:37:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1477 transitions. [2018-09-30 21:37:32,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 742 states and 1479 transitions. [2018-09-30 21:37:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1479 transitions. [2018-09-30 21:37:32,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 743 states and 1481 transitions. [2018-09-30 21:37:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1481 transitions. [2018-09-30 21:37:32,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 744 states and 1483 transitions. [2018-09-30 21:37:32,271 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1483 transitions. [2018-09-30 21:37:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 745 states and 1485 transitions. [2018-09-30 21:37:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 1485 transitions. [2018-09-30 21:37:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 746 states and 1487 transitions. [2018-09-30 21:37:32,388 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1487 transitions. [2018-09-30 21:37:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:32,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 747 states and 1489 transitions. [2018-09-30 21:37:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1489 transitions. [2018-09-30 21:37:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:32,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:32,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:32,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 748 states and 1491 transitions. [2018-09-30 21:37:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1491 transitions. [2018-09-30 21:37:33,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 749 states and 1493 transitions. [2018-09-30 21:37:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1493 transitions. [2018-09-30 21:37:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1495 states to 750 states and 1495 transitions. [2018-09-30 21:37:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1495 transitions. [2018-09-30 21:37:33,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 751 states and 1497 transitions. [2018-09-30 21:37:33,729 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1497 transitions. [2018-09-30 21:37:33,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 752 states and 1499 transitions. [2018-09-30 21:37:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1499 transitions. [2018-09-30 21:37:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 753 states and 1501 transitions. [2018-09-30 21:37:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1501 transitions. [2018-09-30 21:37:33,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 754 states and 1503 transitions. [2018-09-30 21:37:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1503 transitions. [2018-09-30 21:37:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:33,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:33,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 755 states and 1505 transitions. [2018-09-30 21:37:33,959 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1505 transitions. [2018-09-30 21:37:33,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:33,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:33,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 756 states and 1507 transitions. [2018-09-30 21:37:34,015 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 1507 transitions. [2018-09-30 21:37:34,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 757 states and 1509 transitions. [2018-09-30 21:37:34,076 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1509 transitions. [2018-09-30 21:37:34,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 758 states and 1511 transitions. [2018-09-30 21:37:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 1511 transitions. [2018-09-30 21:37:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 759 states and 1513 transitions. [2018-09-30 21:37:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 1513 transitions. [2018-09-30 21:37:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 760 states and 1515 transitions. [2018-09-30 21:37:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1515 transitions. [2018-09-30 21:37:34,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 761 states and 1517 transitions. [2018-09-30 21:37:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 1517 transitions. [2018-09-30 21:37:34,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 762 states and 1519 transitions. [2018-09-30 21:37:34,377 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1519 transitions. [2018-09-30 21:37:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1521 states to 763 states and 1521 transitions. [2018-09-30 21:37:34,435 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1521 transitions. [2018-09-30 21:37:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 764 states and 1523 transitions. [2018-09-30 21:37:34,491 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1523 transitions. [2018-09-30 21:37:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1525 states to 765 states and 1525 transitions. [2018-09-30 21:37:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1525 transitions. [2018-09-30 21:37:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 766 states and 1527 transitions. [2018-09-30 21:37:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1527 transitions. [2018-09-30 21:37:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 767 states and 1529 transitions. [2018-09-30 21:37:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1529 transitions. [2018-09-30 21:37:34,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 768 states and 1531 transitions. [2018-09-30 21:37:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1531 transitions. [2018-09-30 21:37:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1533 states to 769 states and 1533 transitions. [2018-09-30 21:37:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1533 transitions. [2018-09-30 21:37:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 770 states and 1535 transitions. [2018-09-30 21:37:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1535 transitions. [2018-09-30 21:37:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 771 states and 1537 transitions. [2018-09-30 21:37:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 1537 transitions. [2018-09-30 21:37:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 772 states and 1539 transitions. [2018-09-30 21:37:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1539 transitions. [2018-09-30 21:37:34,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:34,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:34,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 773 states and 1541 transitions. [2018-09-30 21:37:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1541 transitions. [2018-09-30 21:37:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 774 states and 1543 transitions. [2018-09-30 21:37:35,098 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1543 transitions. [2018-09-30 21:37:35,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 775 states and 1545 transitions. [2018-09-30 21:37:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1545 transitions. [2018-09-30 21:37:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 776 states and 1547 transitions. [2018-09-30 21:37:35,259 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1547 transitions. [2018-09-30 21:37:35,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 777 states and 1549 transitions. [2018-09-30 21:37:35,320 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 1549 transitions. [2018-09-30 21:37:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 778 states and 1551 transitions. [2018-09-30 21:37:35,379 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 1551 transitions. [2018-09-30 21:37:35,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,385 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 779 states and 1553 transitions. [2018-09-30 21:37:35,440 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1553 transitions. [2018-09-30 21:37:35,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1555 states to 780 states and 1555 transitions. [2018-09-30 21:37:35,501 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1555 transitions. [2018-09-30 21:37:35,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 781 states and 1557 transitions. [2018-09-30 21:37:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1557 transitions. [2018-09-30 21:37:35,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,582 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 782 states and 1559 transitions. [2018-09-30 21:37:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1559 transitions. [2018-09-30 21:37:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1561 states to 783 states and 1561 transitions. [2018-09-30 21:37:35,739 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1561 transitions. [2018-09-30 21:37:35,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 784 states and 1563 transitions. [2018-09-30 21:37:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1563 transitions. [2018-09-30 21:37:35,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 785 states and 1565 transitions. [2018-09-30 21:37:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1565 transitions. [2018-09-30 21:37:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:35,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:35,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 786 states and 1567 transitions. [2018-09-30 21:37:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1567 transitions. [2018-09-30 21:37:35,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:35,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:35,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:35,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1569 states to 787 states and 1569 transitions. [2018-09-30 21:37:36,023 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1569 transitions. [2018-09-30 21:37:36,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 788 states and 1571 transitions. [2018-09-30 21:37:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1571 transitions. [2018-09-30 21:37:36,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1573 states to 789 states and 1573 transitions. [2018-09-30 21:37:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1573 transitions. [2018-09-30 21:37:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 790 states and 1575 transitions. [2018-09-30 21:37:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1575 transitions. [2018-09-30 21:37:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 791 states and 1577 transitions. [2018-09-30 21:37:36,263 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1577 transitions. [2018-09-30 21:37:36,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,273 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1579 states to 792 states and 1579 transitions. [2018-09-30 21:37:36,326 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1579 transitions. [2018-09-30 21:37:36,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 793 states and 1581 transitions. [2018-09-30 21:37:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1581 transitions. [2018-09-30 21:37:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 794 states and 1583 transitions. [2018-09-30 21:37:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 1583 transitions. [2018-09-30 21:37:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 795 states and 1585 transitions. [2018-09-30 21:37:36,509 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1585 transitions. [2018-09-30 21:37:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 796 states and 1587 transitions. [2018-09-30 21:37:36,570 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1587 transitions. [2018-09-30 21:37:36,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 797 states and 1589 transitions. [2018-09-30 21:37:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1589 transitions. [2018-09-30 21:37:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 798 states and 1591 transitions. [2018-09-30 21:37:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1591 transitions. [2018-09-30 21:37:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 799 states and 1593 transitions. [2018-09-30 21:37:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1593 transitions. [2018-09-30 21:37:36,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 800 states and 1595 transitions. [2018-09-30 21:37:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1595 transitions. [2018-09-30 21:37:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 801 states and 1597 transitions. [2018-09-30 21:37:36,881 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1597 transitions. [2018-09-30 21:37:36,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 802 states and 1599 transitions. [2018-09-30 21:37:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1599 transitions. [2018-09-30 21:37:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:36,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:36,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:36,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 803 states and 1601 transitions. [2018-09-30 21:37:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1601 transitions. [2018-09-30 21:37:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1603 states to 804 states and 1603 transitions. [2018-09-30 21:37:37,062 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1603 transitions. [2018-09-30 21:37:37,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 805 states and 1605 transitions. [2018-09-30 21:37:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1605 transitions. [2018-09-30 21:37:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 806 states and 1607 transitions. [2018-09-30 21:37:37,185 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1607 transitions. [2018-09-30 21:37:37,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 807 states and 1609 transitions. [2018-09-30 21:37:37,249 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1609 transitions. [2018-09-30 21:37:37,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 808 states and 1611 transitions. [2018-09-30 21:37:37,312 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1611 transitions. [2018-09-30 21:37:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1613 states to 809 states and 1613 transitions. [2018-09-30 21:37:37,372 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1613 transitions. [2018-09-30 21:37:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 810 states and 1615 transitions. [2018-09-30 21:37:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1615 transitions. [2018-09-30 21:37:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 811 states and 1617 transitions. [2018-09-30 21:37:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1617 transitions. [2018-09-30 21:37:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 812 states and 1619 transitions. [2018-09-30 21:37:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 1619 transitions. [2018-09-30 21:37:37,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 813 states and 1621 transitions. [2018-09-30 21:37:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1621 transitions. [2018-09-30 21:37:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 814 states and 1623 transitions. [2018-09-30 21:37:37,688 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 1623 transitions. [2018-09-30 21:37:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 815 states and 1625 transitions. [2018-09-30 21:37:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1625 transitions. [2018-09-30 21:37:37,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 816 states and 1627 transitions. [2018-09-30 21:37:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1627 transitions. [2018-09-30 21:37:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 817 states and 1629 transitions. [2018-09-30 21:37:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1629 transitions. [2018-09-30 21:37:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,887 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 818 states and 1631 transitions. [2018-09-30 21:37:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1631 transitions. [2018-09-30 21:37:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:37,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:37,969 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 819 states and 1633 transitions. [2018-09-30 21:37:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1633 transitions. [2018-09-30 21:37:38,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 820 states and 1635 transitions. [2018-09-30 21:37:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1635 transitions. [2018-09-30 21:37:38,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 821 states and 1637 transitions. [2018-09-30 21:37:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1637 transitions. [2018-09-30 21:37:38,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 822 states and 1639 transitions. [2018-09-30 21:37:38,447 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1639 transitions. [2018-09-30 21:37:38,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 823 states and 1641 transitions. [2018-09-30 21:37:38,516 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1641 transitions. [2018-09-30 21:37:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 824 states and 1643 transitions. [2018-09-30 21:37:38,574 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1643 transitions. [2018-09-30 21:37:38,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1645 states to 825 states and 1645 transitions. [2018-09-30 21:37:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1645 transitions. [2018-09-30 21:37:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 826 states and 1647 transitions. [2018-09-30 21:37:38,725 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1647 transitions. [2018-09-30 21:37:38,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 827 states and 1649 transitions. [2018-09-30 21:37:38,786 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1649 transitions. [2018-09-30 21:37:38,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 828 states and 1651 transitions. [2018-09-30 21:37:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1651 transitions. [2018-09-30 21:37:38,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 829 states and 1653 transitions. [2018-09-30 21:37:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1653 transitions. [2018-09-30 21:37:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 830 states and 1655 transitions. [2018-09-30 21:37:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1655 transitions. [2018-09-30 21:37:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:38,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:38,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:38,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 831 states and 1657 transitions. [2018-09-30 21:37:39,025 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1657 transitions. [2018-09-30 21:37:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 832 states and 1659 transitions. [2018-09-30 21:37:39,087 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1659 transitions. [2018-09-30 21:37:39,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 833 states and 1661 transitions. [2018-09-30 21:37:39,149 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1661 transitions. [2018-09-30 21:37:39,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,157 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 834 states and 1663 transitions. [2018-09-30 21:37:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1663 transitions. [2018-09-30 21:37:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 835 states and 1665 transitions. [2018-09-30 21:37:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1665 transitions. [2018-09-30 21:37:39,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 836 states and 1667 transitions. [2018-09-30 21:37:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1667 transitions. [2018-09-30 21:37:39,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 837 states and 1669 transitions. [2018-09-30 21:37:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1669 transitions. [2018-09-30 21:37:39,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,507 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 838 states and 1671 transitions. [2018-09-30 21:37:39,702 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1671 transitions. [2018-09-30 21:37:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 839 states and 1673 transitions. [2018-09-30 21:37:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1673 transitions. [2018-09-30 21:37:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 840 states and 1675 transitions. [2018-09-30 21:37:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1675 transitions. [2018-09-30 21:37:39,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 841 states and 1677 transitions. [2018-09-30 21:37:39,884 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1677 transitions. [2018-09-30 21:37:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:39,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 842 states and 1679 transitions. [2018-09-30 21:37:39,944 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1679 transitions. [2018-09-30 21:37:39,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:39,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:39,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:39,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:39,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 843 states and 1681 transitions. [2018-09-30 21:37:40,008 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1681 transitions. [2018-09-30 21:37:40,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 844 states and 1683 transitions. [2018-09-30 21:37:40,068 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1683 transitions. [2018-09-30 21:37:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 845 states and 1685 transitions. [2018-09-30 21:37:40,127 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1685 transitions. [2018-09-30 21:37:40,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 846 states and 1687 transitions. [2018-09-30 21:37:40,191 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1687 transitions. [2018-09-30 21:37:40,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 847 states and 1689 transitions. [2018-09-30 21:37:40,268 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1689 transitions. [2018-09-30 21:37:40,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 848 states and 1691 transitions. [2018-09-30 21:37:40,327 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1691 transitions. [2018-09-30 21:37:40,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 849 states and 1693 transitions. [2018-09-30 21:37:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1693 transitions. [2018-09-30 21:37:40,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 850 states and 1695 transitions. [2018-09-30 21:37:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1695 transitions. [2018-09-30 21:37:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 851 states and 1697 transitions. [2018-09-30 21:37:40,527 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1697 transitions. [2018-09-30 21:37:40,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 852 states and 1699 transitions. [2018-09-30 21:37:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1699 transitions. [2018-09-30 21:37:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 853 states and 1701 transitions. [2018-09-30 21:37:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1701 transitions. [2018-09-30 21:37:40,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 854 states and 1703 transitions. [2018-09-30 21:37:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 854 states and 1703 transitions. [2018-09-30 21:37:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 855 states and 1705 transitions. [2018-09-30 21:37:40,804 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1705 transitions. [2018-09-30 21:37:40,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 856 states and 1707 transitions. [2018-09-30 21:37:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1707 transitions. [2018-09-30 21:37:40,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:40,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 857 states and 1709 transitions. [2018-09-30 21:37:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1709 transitions. [2018-09-30 21:37:40,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:40,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:40,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 858 states and 1711 transitions. [2018-09-30 21:37:41,040 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1711 transitions. [2018-09-30 21:37:41,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 859 states and 1713 transitions. [2018-09-30 21:37:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1713 transitions. [2018-09-30 21:37:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 860 states and 1715 transitions. [2018-09-30 21:37:41,169 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1715 transitions. [2018-09-30 21:37:41,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 861 states and 1717 transitions. [2018-09-30 21:37:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1717 transitions. [2018-09-30 21:37:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 862 states and 1719 transitions. [2018-09-30 21:37:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1719 transitions. [2018-09-30 21:37:41,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 863 states and 1721 transitions. [2018-09-30 21:37:41,363 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1721 transitions. [2018-09-30 21:37:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 864 states and 1723 transitions. [2018-09-30 21:37:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1723 transitions. [2018-09-30 21:37:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 865 states and 1725 transitions. [2018-09-30 21:37:41,493 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1725 transitions. [2018-09-30 21:37:41,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 866 states and 1727 transitions. [2018-09-30 21:37:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1727 transitions. [2018-09-30 21:37:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 867 states and 1729 transitions. [2018-09-30 21:37:41,621 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1729 transitions. [2018-09-30 21:37:41,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 868 states and 1731 transitions. [2018-09-30 21:37:41,713 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1731 transitions. [2018-09-30 21:37:41,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 869 states and 1733 transitions. [2018-09-30 21:37:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1733 transitions. [2018-09-30 21:37:41,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 870 states and 1735 transitions. [2018-09-30 21:37:41,837 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1735 transitions. [2018-09-30 21:37:41,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 871 states and 1737 transitions. [2018-09-30 21:37:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1737 transitions. [2018-09-30 21:37:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:41,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 872 states and 1739 transitions. [2018-09-30 21:37:41,965 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1739 transitions. [2018-09-30 21:37:41,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:41,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:41,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 873 states and 1741 transitions. [2018-09-30 21:37:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1741 transitions. [2018-09-30 21:37:42,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 874 states and 1743 transitions. [2018-09-30 21:37:42,097 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1743 transitions. [2018-09-30 21:37:42,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 875 states and 1745 transitions. [2018-09-30 21:37:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1745 transitions. [2018-09-30 21:37:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 876 states and 1747 transitions. [2018-09-30 21:37:42,227 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1747 transitions. [2018-09-30 21:37:42,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 877 states and 1749 transitions. [2018-09-30 21:37:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1749 transitions. [2018-09-30 21:37:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 878 states and 1751 transitions. [2018-09-30 21:37:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1751 transitions. [2018-09-30 21:37:42,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 879 states and 1753 transitions. [2018-09-30 21:37:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1753 transitions. [2018-09-30 21:37:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 880 states and 1755 transitions. [2018-09-30 21:37:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1755 transitions. [2018-09-30 21:37:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 881 states and 1757 transitions. [2018-09-30 21:37:42,554 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1757 transitions. [2018-09-30 21:37:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 882 states and 1759 transitions. [2018-09-30 21:37:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1759 transitions. [2018-09-30 21:37:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 883 states and 1761 transitions. [2018-09-30 21:37:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1761 transitions. [2018-09-30 21:37:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 884 states and 1763 transitions. [2018-09-30 21:37:42,746 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1763 transitions. [2018-09-30 21:37:42,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 885 states and 1765 transitions. [2018-09-30 21:37:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1765 transitions. [2018-09-30 21:37:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 886 states and 1767 transitions. [2018-09-30 21:37:42,876 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1767 transitions. [2018-09-30 21:37:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 887 states and 1769 transitions. [2018-09-30 21:37:42,940 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1769 transitions. [2018-09-30 21:37:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:42,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:42,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 888 states and 1771 transitions. [2018-09-30 21:37:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1771 transitions. [2018-09-30 21:37:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 889 states and 1773 transitions. [2018-09-30 21:37:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1773 transitions. [2018-09-30 21:37:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 890 states and 1775 transitions. [2018-09-30 21:37:43,148 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1775 transitions. [2018-09-30 21:37:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 891 states and 1777 transitions. [2018-09-30 21:37:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1777 transitions. [2018-09-30 21:37:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 892 states and 1779 transitions. [2018-09-30 21:37:43,279 INFO L276 IsEmpty]: Start isEmpty. Operand 892 states and 1779 transitions. [2018-09-30 21:37:43,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,285 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 893 states and 1781 transitions. [2018-09-30 21:37:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1781 transitions. [2018-09-30 21:37:43,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 894 states and 1783 transitions. [2018-09-30 21:37:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1783 transitions. [2018-09-30 21:37:43,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,413 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 895 states and 1785 transitions. [2018-09-30 21:37:43,467 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1785 transitions. [2018-09-30 21:37:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 896 states and 1787 transitions. [2018-09-30 21:37:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1787 transitions. [2018-09-30 21:37:43,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,536 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 897 states and 1789 transitions. [2018-09-30 21:37:43,592 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1789 transitions. [2018-09-30 21:37:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 898 states and 1791 transitions. [2018-09-30 21:37:43,656 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1791 transitions. [2018-09-30 21:37:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 899 states and 1793 transitions. [2018-09-30 21:37:43,718 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1793 transitions. [2018-09-30 21:37:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 900 states and 1795 transitions. [2018-09-30 21:37:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1795 transitions. [2018-09-30 21:37:43,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 901 states and 1797 transitions. [2018-09-30 21:37:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1797 transitions. [2018-09-30 21:37:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:43,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 902 states and 1799 transitions. [2018-09-30 21:37:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1799 transitions. [2018-09-30 21:37:43,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:43,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:43,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:43,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 903 states and 1801 transitions. [2018-09-30 21:37:44,042 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1801 transitions. [2018-09-30 21:37:44,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1803 states to 904 states and 1803 transitions. [2018-09-30 21:37:44,103 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1803 transitions. [2018-09-30 21:37:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 905 states and 1805 transitions. [2018-09-30 21:37:44,166 INFO L276 IsEmpty]: Start isEmpty. Operand 905 states and 1805 transitions. [2018-09-30 21:37:44,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 906 states and 1807 transitions. [2018-09-30 21:37:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1807 transitions. [2018-09-30 21:37:44,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 907 states and 1809 transitions. [2018-09-30 21:37:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1809 transitions. [2018-09-30 21:37:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 908 states and 1811 transitions. [2018-09-30 21:37:44,371 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1811 transitions. [2018-09-30 21:37:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 909 states and 1813 transitions. [2018-09-30 21:37:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1813 transitions. [2018-09-30 21:37:44,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 910 states and 1815 transitions. [2018-09-30 21:37:44,504 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1815 transitions. [2018-09-30 21:37:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 911 states and 1817 transitions. [2018-09-30 21:37:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1817 transitions. [2018-09-30 21:37:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,574 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 912 states and 1819 transitions. [2018-09-30 21:37:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1819 transitions. [2018-09-30 21:37:44,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 913 states and 1821 transitions. [2018-09-30 21:37:44,699 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1821 transitions. [2018-09-30 21:37:44,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 914 states and 1823 transitions. [2018-09-30 21:37:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1823 transitions. [2018-09-30 21:37:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 915 states and 1825 transitions. [2018-09-30 21:37:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1825 transitions. [2018-09-30 21:37:44,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 916 states and 1827 transitions. [2018-09-30 21:37:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1827 transitions. [2018-09-30 21:37:44,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:44,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 917 states and 1829 transitions. [2018-09-30 21:37:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1829 transitions. [2018-09-30 21:37:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:44,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:44,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:44,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 918 states and 1831 transitions. [2018-09-30 21:37:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1831 transitions. [2018-09-30 21:37:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 919 states and 1833 transitions. [2018-09-30 21:37:45,088 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1833 transitions. [2018-09-30 21:37:45,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 920 states and 1835 transitions. [2018-09-30 21:37:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 920 states and 1835 transitions. [2018-09-30 21:37:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 921 states and 1837 transitions. [2018-09-30 21:37:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1837 transitions. [2018-09-30 21:37:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 922 states and 1839 transitions. [2018-09-30 21:37:45,286 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1839 transitions. [2018-09-30 21:37:45,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 923 states and 1841 transitions. [2018-09-30 21:37:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1841 transitions. [2018-09-30 21:37:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 924 states and 1843 transitions. [2018-09-30 21:37:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1843 transitions. [2018-09-30 21:37:45,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 925 states and 1845 transitions. [2018-09-30 21:37:45,550 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1845 transitions. [2018-09-30 21:37:45,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 926 states and 1847 transitions. [2018-09-30 21:37:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1847 transitions. [2018-09-30 21:37:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 927 states and 1849 transitions. [2018-09-30 21:37:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1849 transitions. [2018-09-30 21:37:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 928 states and 1851 transitions. [2018-09-30 21:37:45,737 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1851 transitions. [2018-09-30 21:37:45,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 929 states and 1853 transitions. [2018-09-30 21:37:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1853 transitions. [2018-09-30 21:37:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 930 states and 1855 transitions. [2018-09-30 21:37:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1855 transitions. [2018-09-30 21:37:45,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:45,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 931 states and 1857 transitions. [2018-09-30 21:37:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1857 transitions. [2018-09-30 21:37:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:45,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:45,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:45,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 932 states and 1859 transitions. [2018-09-30 21:37:46,056 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1859 transitions. [2018-09-30 21:37:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,062 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1861 states to 933 states and 1861 transitions. [2018-09-30 21:37:46,134 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1861 transitions. [2018-09-30 21:37:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 934 states and 1863 transitions. [2018-09-30 21:37:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1863 transitions. [2018-09-30 21:37:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 935 states and 1865 transitions. [2018-09-30 21:37:46,285 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1865 transitions. [2018-09-30 21:37:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 936 states and 1867 transitions. [2018-09-30 21:37:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1867 transitions. [2018-09-30 21:37:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 937 states and 1869 transitions. [2018-09-30 21:37:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1869 transitions. [2018-09-30 21:37:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,428 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1871 states to 938 states and 1871 transitions. [2018-09-30 21:37:46,488 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1871 transitions. [2018-09-30 21:37:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,495 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 939 states and 1873 transitions. [2018-09-30 21:37:46,555 INFO L276 IsEmpty]: Start isEmpty. Operand 939 states and 1873 transitions. [2018-09-30 21:37:46,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1875 states to 940 states and 1875 transitions. [2018-09-30 21:37:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1875 transitions. [2018-09-30 21:37:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 941 states and 1877 transitions. [2018-09-30 21:37:46,691 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1877 transitions. [2018-09-30 21:37:46,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 942 states and 1879 transitions. [2018-09-30 21:37:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1879 transitions. [2018-09-30 21:37:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 943 states and 1881 transitions. [2018-09-30 21:37:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1881 transitions. [2018-09-30 21:37:46,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 944 states and 1883 transitions. [2018-09-30 21:37:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1883 transitions. [2018-09-30 21:37:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:46,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:46,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 945 states and 1885 transitions. [2018-09-30 21:37:46,960 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1885 transitions. [2018-09-30 21:37:46,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:46,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:46,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 946 states and 1887 transitions. [2018-09-30 21:37:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1887 transitions. [2018-09-30 21:37:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1889 states to 947 states and 1889 transitions. [2018-09-30 21:37:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1889 transitions. [2018-09-30 21:37:47,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 948 states and 1891 transitions. [2018-09-30 21:37:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1891 transitions. [2018-09-30 21:37:47,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 949 states and 1893 transitions. [2018-09-30 21:37:47,231 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1893 transitions. [2018-09-30 21:37:47,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 950 states and 1895 transitions. [2018-09-30 21:37:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1895 transitions. [2018-09-30 21:37:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 951 states and 1897 transitions. [2018-09-30 21:37:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1897 transitions. [2018-09-30 21:37:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 952 states and 1899 transitions. [2018-09-30 21:37:47,435 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1899 transitions. [2018-09-30 21:37:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 953 states and 1901 transitions. [2018-09-30 21:37:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1901 transitions. [2018-09-30 21:37:47,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 954 states and 1903 transitions. [2018-09-30 21:37:47,575 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1903 transitions. [2018-09-30 21:37:47,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 955 states and 1905 transitions. [2018-09-30 21:37:47,650 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1905 transitions. [2018-09-30 21:37:47,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 956 states and 1907 transitions. [2018-09-30 21:37:47,729 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1907 transitions. [2018-09-30 21:37:47,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 957 states and 1909 transitions. [2018-09-30 21:37:47,811 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 1909 transitions. [2018-09-30 21:37:47,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1911 states to 958 states and 1911 transitions. [2018-09-30 21:37:47,873 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1911 transitions. [2018-09-30 21:37:47,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 959 states and 1913 transitions. [2018-09-30 21:37:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1913 transitions. [2018-09-30 21:37:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:47,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:47,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 960 states and 1915 transitions. [2018-09-30 21:37:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1915 transitions. [2018-09-30 21:37:48,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 961 states and 1917 transitions. [2018-09-30 21:37:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1917 transitions. [2018-09-30 21:37:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 962 states and 1919 transitions. [2018-09-30 21:37:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1919 transitions. [2018-09-30 21:37:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 963 states and 1921 transitions. [2018-09-30 21:37:48,210 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1921 transitions. [2018-09-30 21:37:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 964 states and 1923 transitions. [2018-09-30 21:37:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1923 transitions. [2018-09-30 21:37:48,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 965 states and 1925 transitions. [2018-09-30 21:37:48,346 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1925 transitions. [2018-09-30 21:37:48,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 966 states and 1927 transitions. [2018-09-30 21:37:48,411 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1927 transitions. [2018-09-30 21:37:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 967 states and 1929 transitions. [2018-09-30 21:37:48,479 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1929 transitions. [2018-09-30 21:37:48,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1931 states to 968 states and 1931 transitions. [2018-09-30 21:37:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1931 transitions. [2018-09-30 21:37:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,551 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 969 states and 1933 transitions. [2018-09-30 21:37:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1933 transitions. [2018-09-30 21:37:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 970 states and 1935 transitions. [2018-09-30 21:37:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1935 transitions. [2018-09-30 21:37:48,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 971 states and 1937 transitions. [2018-09-30 21:37:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1937 transitions. [2018-09-30 21:37:48,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,750 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 972 states and 1939 transitions. [2018-09-30 21:37:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1939 transitions. [2018-09-30 21:37:48,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,827 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 973 states and 1941 transitions. [2018-09-30 21:37:48,879 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1941 transitions. [2018-09-30 21:37:48,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:48,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:48,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 974 states and 1943 transitions. [2018-09-30 21:37:48,945 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1943 transitions. [2018-09-30 21:37:48,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:48,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:48,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 975 states and 1945 transitions. [2018-09-30 21:37:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1945 transitions. [2018-09-30 21:37:49,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 976 states and 1947 transitions. [2018-09-30 21:37:49,081 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1947 transitions. [2018-09-30 21:37:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1949 states to 977 states and 1949 transitions. [2018-09-30 21:37:49,151 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1949 transitions. [2018-09-30 21:37:49,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 978 states and 1951 transitions. [2018-09-30 21:37:49,219 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1951 transitions. [2018-09-30 21:37:49,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 979 states and 1953 transitions. [2018-09-30 21:37:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1953 transitions. [2018-09-30 21:37:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 980 states and 1955 transitions. [2018-09-30 21:37:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1955 transitions. [2018-09-30 21:37:49,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 981 states and 1957 transitions. [2018-09-30 21:37:49,423 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1957 transitions. [2018-09-30 21:37:49,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 982 states and 1959 transitions. [2018-09-30 21:37:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1959 transitions. [2018-09-30 21:37:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 983 states and 1961 transitions. [2018-09-30 21:37:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1961 transitions. [2018-09-30 21:37:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1963 states to 984 states and 1963 transitions. [2018-09-30 21:37:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 984 states and 1963 transitions. [2018-09-30 21:37:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 985 states and 1965 transitions. [2018-09-30 21:37:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1965 transitions. [2018-09-30 21:37:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1967 states to 986 states and 1967 transitions. [2018-09-30 21:37:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1967 transitions. [2018-09-30 21:37:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,767 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 987 states and 1969 transitions. [2018-09-30 21:37:49,832 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1969 transitions. [2018-09-30 21:37:49,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 988 states and 1971 transitions. [2018-09-30 21:37:49,898 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1971 transitions. [2018-09-30 21:37:49,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:49,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:49,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1973 states to 989 states and 1973 transitions. [2018-09-30 21:37:49,966 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1973 transitions. [2018-09-30 21:37:49,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:49,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:49,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 990 states and 1975 transitions. [2018-09-30 21:37:50,037 INFO L276 IsEmpty]: Start isEmpty. Operand 990 states and 1975 transitions. [2018-09-30 21:37:50,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 991 states and 1977 transitions. [2018-09-30 21:37:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1977 transitions. [2018-09-30 21:37:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 992 states and 1979 transitions. [2018-09-30 21:37:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1979 transitions. [2018-09-30 21:37:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1981 states to 993 states and 1981 transitions. [2018-09-30 21:37:50,240 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1981 transitions. [2018-09-30 21:37:50,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 994 states and 1983 transitions. [2018-09-30 21:37:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1983 transitions. [2018-09-30 21:37:50,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 995 states and 1985 transitions. [2018-09-30 21:37:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1985 transitions. [2018-09-30 21:37:50,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 996 states and 1987 transitions. [2018-09-30 21:37:50,445 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1987 transitions. [2018-09-30 21:37:50,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 997 states and 1989 transitions. [2018-09-30 21:37:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 1989 transitions. [2018-09-30 21:37:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 998 states and 1991 transitions. [2018-09-30 21:37:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1991 transitions. [2018-09-30 21:37:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 999 states and 1993 transitions. [2018-09-30 21:37:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1993 transitions. [2018-09-30 21:37:50,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1995 states to 1000 states and 1995 transitions. [2018-09-30 21:37:50,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1995 transitions. [2018-09-30 21:37:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1001 states and 1997 transitions. [2018-09-30 21:37:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1997 transitions. [2018-09-30 21:37:50,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1002 states and 1999 transitions. [2018-09-30 21:37:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1999 transitions. [2018-09-30 21:37:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1003 states and 2001 transitions. [2018-09-30 21:37:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2001 transitions. [2018-09-30 21:37:50,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:50,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:50,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 1004 states and 2003 transitions. [2018-09-30 21:37:51,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 2003 transitions. [2018-09-30 21:37:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1005 states and 2005 transitions. [2018-09-30 21:37:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 2005 transitions. [2018-09-30 21:37:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1006 states and 2007 transitions. [2018-09-30 21:37:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 2007 transitions. [2018-09-30 21:37:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 1007 states and 2009 transitions. [2018-09-30 21:37:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 2009 transitions. [2018-09-30 21:37:51,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 1008 states and 2011 transitions. [2018-09-30 21:37:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 2011 transitions. [2018-09-30 21:37:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1009 states and 2013 transitions. [2018-09-30 21:37:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 2013 transitions. [2018-09-30 21:37:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2015 states to 1010 states and 2015 transitions. [2018-09-30 21:37:51,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 2015 transitions. [2018-09-30 21:37:51,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2017 states to 1011 states and 2017 transitions. [2018-09-30 21:37:51,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 2017 transitions. [2018-09-30 21:37:51,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 1012 states and 2019 transitions. [2018-09-30 21:37:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 2019 transitions. [2018-09-30 21:37:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 1013 states and 2021 transitions. [2018-09-30 21:37:51,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 2021 transitions. [2018-09-30 21:37:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1014 states and 2023 transitions. [2018-09-30 21:37:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 2023 transitions. [2018-09-30 21:37:51,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2025 states to 1015 states and 2025 transitions. [2018-09-30 21:37:51,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 2025 transitions. [2018-09-30 21:37:51,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1016 states and 2027 transitions. [2018-09-30 21:37:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 2027 transitions. [2018-09-30 21:37:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:51,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:51,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1017 states and 2029 transitions. [2018-09-30 21:37:51,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 2029 transitions. [2018-09-30 21:37:51,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:51,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:51,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:51,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1018 states and 2031 transitions. [2018-09-30 21:37:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 2031 transitions. [2018-09-30 21:37:52,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1019 states and 2033 transitions. [2018-09-30 21:37:52,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 2033 transitions. [2018-09-30 21:37:52,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1020 states and 2035 transitions. [2018-09-30 21:37:52,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2035 transitions. [2018-09-30 21:37:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 1021 states and 2037 transitions. [2018-09-30 21:37:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 2037 transitions. [2018-09-30 21:37:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1022 states and 2039 transitions. [2018-09-30 21:37:52,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 2039 transitions. [2018-09-30 21:37:52,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 1023 states and 2041 transitions. [2018-09-30 21:37:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2041 transitions. [2018-09-30 21:37:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 1024 states and 2043 transitions. [2018-09-30 21:37:52,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 2043 transitions. [2018-09-30 21:37:52,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 1025 states and 2045 transitions. [2018-09-30 21:37:52,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 2045 transitions. [2018-09-30 21:37:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2047 states to 1026 states and 2047 transitions. [2018-09-30 21:37:52,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 2047 transitions. [2018-09-30 21:37:52,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 1027 states and 2049 transitions. [2018-09-30 21:37:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 2049 transitions. [2018-09-30 21:37:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2051 states to 1028 states and 2051 transitions. [2018-09-30 21:37:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 2051 transitions. [2018-09-30 21:37:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 1029 states and 2053 transitions. [2018-09-30 21:37:52,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 2053 transitions. [2018-09-30 21:37:52,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1030 states and 2055 transitions. [2018-09-30 21:37:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 2055 transitions. [2018-09-30 21:37:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:52,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2057 states to 1031 states and 2057 transitions. [2018-09-30 21:37:52,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2057 transitions. [2018-09-30 21:37:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:52,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:52,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:52,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1032 states and 2059 transitions. [2018-09-30 21:37:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 2059 transitions. [2018-09-30 21:37:53,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1033 states and 2061 transitions. [2018-09-30 21:37:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 2061 transitions. [2018-09-30 21:37:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1034 states and 2063 transitions. [2018-09-30 21:37:53,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 2063 transitions. [2018-09-30 21:37:53,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 1035 states and 2065 transitions. [2018-09-30 21:37:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2065 transitions. [2018-09-30 21:37:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2067 states to 1036 states and 2067 transitions. [2018-09-30 21:37:53,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 2067 transitions. [2018-09-30 21:37:53,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2069 states to 1037 states and 2069 transitions. [2018-09-30 21:37:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2069 transitions. [2018-09-30 21:37:53,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1038 states and 2071 transitions. [2018-09-30 21:37:53,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2071 transitions. [2018-09-30 21:37:53,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 1039 states and 2073 transitions. [2018-09-30 21:37:53,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2073 transitions. [2018-09-30 21:37:53,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2075 states to 1040 states and 2075 transitions. [2018-09-30 21:37:53,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 2075 transitions. [2018-09-30 21:37:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1041 states and 2077 transitions. [2018-09-30 21:37:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2077 transitions. [2018-09-30 21:37:53,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 1042 states and 2079 transitions. [2018-09-30 21:37:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 2079 transitions. [2018-09-30 21:37:53,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1043 states and 2081 transitions. [2018-09-30 21:37:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 2081 transitions. [2018-09-30 21:37:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1044 states and 2083 transitions. [2018-09-30 21:37:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2083 transitions. [2018-09-30 21:37:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:53,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:53,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1045 states and 2085 transitions. [2018-09-30 21:37:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 2085 transitions. [2018-09-30 21:37:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 1046 states and 2087 transitions. [2018-09-30 21:37:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 2087 transitions. [2018-09-30 21:37:54,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 1047 states and 2089 transitions. [2018-09-30 21:37:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 2089 transitions. [2018-09-30 21:37:54,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1048 states and 2091 transitions. [2018-09-30 21:37:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 2091 transitions. [2018-09-30 21:37:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 1049 states and 2093 transitions. [2018-09-30 21:37:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 2093 transitions. [2018-09-30 21:37:54,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1050 states and 2095 transitions. [2018-09-30 21:37:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 2095 transitions. [2018-09-30 21:37:54,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1051 states and 2097 transitions. [2018-09-30 21:37:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1051 states and 2097 transitions. [2018-09-30 21:37:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1052 states and 2099 transitions. [2018-09-30 21:37:54,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2099 transitions. [2018-09-30 21:37:54,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1053 states and 2101 transitions. [2018-09-30 21:37:54,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2101 transitions. [2018-09-30 21:37:54,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1054 states and 2103 transitions. [2018-09-30 21:37:54,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2103 transitions. [2018-09-30 21:37:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1055 states and 2105 transitions. [2018-09-30 21:37:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 2105 transitions. [2018-09-30 21:37:54,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1056 states and 2107 transitions. [2018-09-30 21:37:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 2107 transitions. [2018-09-30 21:37:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1057 states and 2109 transitions. [2018-09-30 21:37:54,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 2109 transitions. [2018-09-30 21:37:54,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:54,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:54,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 1058 states and 2111 transitions. [2018-09-30 21:37:54,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 2111 transitions. [2018-09-30 21:37:54,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:54,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:54,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:54,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:54,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1059 states and 2113 transitions. [2018-09-30 21:37:55,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 2113 transitions. [2018-09-30 21:37:55,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,022 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1060 states and 2115 transitions. [2018-09-30 21:37:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 2115 transitions. [2018-09-30 21:37:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2117 states to 1061 states and 2117 transitions. [2018-09-30 21:37:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2117 transitions. [2018-09-30 21:37:55,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1062 states and 2119 transitions. [2018-09-30 21:37:55,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 2119 transitions. [2018-09-30 21:37:55,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 1063 states and 2121 transitions. [2018-09-30 21:37:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2121 transitions. [2018-09-30 21:37:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2123 states to 1064 states and 2123 transitions. [2018-09-30 21:37:55,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1064 states and 2123 transitions. [2018-09-30 21:37:55,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 1065 states and 2125 transitions. [2018-09-30 21:37:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1065 states and 2125 transitions. [2018-09-30 21:37:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 1066 states and 2127 transitions. [2018-09-30 21:37:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 2127 transitions. [2018-09-30 21:37:55,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1067 states and 2129 transitions. [2018-09-30 21:37:55,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2129 transitions. [2018-09-30 21:37:55,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:55,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:55,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1068 states and 2131 transitions. [2018-09-30 21:37:55,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 2131 transitions. [2018-09-30 21:37:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:55,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:55,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1069 states and 2133 transitions. [2018-09-30 21:37:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 2133 transitions. [2018-09-30 21:37:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2135 states to 1070 states and 2135 transitions. [2018-09-30 21:37:56,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 2135 transitions. [2018-09-30 21:37:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1071 states and 2137 transitions. [2018-09-30 21:37:56,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 2137 transitions. [2018-09-30 21:37:56,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1072 states and 2139 transitions. [2018-09-30 21:37:56,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 2139 transitions. [2018-09-30 21:37:56,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1073 states and 2141 transitions. [2018-09-30 21:37:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1073 states and 2141 transitions. [2018-09-30 21:37:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2143 states to 1074 states and 2143 transitions. [2018-09-30 21:37:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 2143 transitions. [2018-09-30 21:37:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 1075 states and 2145 transitions. [2018-09-30 21:37:56,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 2145 transitions. [2018-09-30 21:37:56,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2147 states to 1076 states and 2147 transitions. [2018-09-30 21:37:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2147 transitions. [2018-09-30 21:37:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 1077 states and 2149 transitions. [2018-09-30 21:37:56,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2149 transitions. [2018-09-30 21:37:56,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1078 states and 2151 transitions. [2018-09-30 21:37:56,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 2151 transitions. [2018-09-30 21:37:56,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 1079 states and 2153 transitions. [2018-09-30 21:37:56,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 2153 transitions. [2018-09-30 21:37:56,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:56,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:56,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 1080 states and 2155 transitions. [2018-09-30 21:37:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2155 transitions. [2018-09-30 21:37:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:56,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:56,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:56,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1081 states and 2157 transitions. [2018-09-30 21:37:57,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2157 transitions. [2018-09-30 21:37:57,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 1082 states and 2159 transitions. [2018-09-30 21:37:57,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 2159 transitions. [2018-09-30 21:37:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1083 states and 2161 transitions. [2018-09-30 21:37:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 2161 transitions. [2018-09-30 21:37:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2163 states to 1084 states and 2163 transitions. [2018-09-30 21:37:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 2163 transitions. [2018-09-30 21:37:57,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1085 states and 2165 transitions. [2018-09-30 21:37:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 2165 transitions. [2018-09-30 21:37:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 1086 states and 2167 transitions. [2018-09-30 21:37:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 2167 transitions. [2018-09-30 21:37:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2169 states to 1087 states and 2169 transitions. [2018-09-30 21:37:57,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2169 transitions. [2018-09-30 21:37:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2171 states to 1088 states and 2171 transitions. [2018-09-30 21:37:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 2171 transitions. [2018-09-30 21:37:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 1089 states and 2173 transitions. [2018-09-30 21:37:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 2173 transitions. [2018-09-30 21:37:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1090 states and 2175 transitions. [2018-09-30 21:37:57,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 2175 transitions. [2018-09-30 21:37:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:57,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1091 states and 2177 transitions. [2018-09-30 21:37:57,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2177 transitions. [2018-09-30 21:37:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:57,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:57,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:57,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2179 states to 1092 states and 2179 transitions. [2018-09-30 21:37:58,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 2179 transitions. [2018-09-30 21:37:58,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,005 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 1093 states and 2181 transitions. [2018-09-30 21:37:58,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 2181 transitions. [2018-09-30 21:37:58,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2183 states to 1094 states and 2183 transitions. [2018-09-30 21:37:58,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 2183 transitions. [2018-09-30 21:37:58,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1095 states and 2185 transitions. [2018-09-30 21:37:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 2185 transitions. [2018-09-30 21:37:58,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1096 states and 2187 transitions. [2018-09-30 21:37:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 2187 transitions. [2018-09-30 21:37:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1097 states and 2189 transitions. [2018-09-30 21:37:58,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 2189 transitions. [2018-09-30 21:37:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1098 states and 2191 transitions. [2018-09-30 21:37:58,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 2191 transitions. [2018-09-30 21:37:58,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1099 states and 2193 transitions. [2018-09-30 21:37:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 2193 transitions. [2018-09-30 21:37:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1100 states and 2195 transitions. [2018-09-30 21:37:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 2195 transitions. [2018-09-30 21:37:58,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1101 states and 2197 transitions. [2018-09-30 21:37:58,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 2197 transitions. [2018-09-30 21:37:58,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1102 states and 2199 transitions. [2018-09-30 21:37:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 2199 transitions. [2018-09-30 21:37:58,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1103 states and 2201 transitions. [2018-09-30 21:37:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 2201 transitions. [2018-09-30 21:37:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1104 states and 2203 transitions. [2018-09-30 21:37:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 2203 transitions. [2018-09-30 21:37:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2205 states to 1105 states and 2205 transitions. [2018-09-30 21:37:58,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 2205 transitions. [2018-09-30 21:37:58,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1106 states and 2207 transitions. [2018-09-30 21:37:58,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1106 states and 2207 transitions. [2018-09-30 21:37:58,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:58,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:58,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1107 states and 2209 transitions. [2018-09-30 21:37:59,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 2209 transitions. [2018-09-30 21:37:59,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1108 states and 2211 transitions. [2018-09-30 21:37:59,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 2211 transitions. [2018-09-30 21:37:59,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1109 states and 2213 transitions. [2018-09-30 21:37:59,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1109 states and 2213 transitions. [2018-09-30 21:37:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1110 states and 2215 transitions. [2018-09-30 21:37:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 2215 transitions. [2018-09-30 21:37:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1111 states and 2217 transitions. [2018-09-30 21:37:59,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 2217 transitions. [2018-09-30 21:37:59,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1112 states and 2219 transitions. [2018-09-30 21:37:59,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 2219 transitions. [2018-09-30 21:37:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 1113 states and 2221 transitions. [2018-09-30 21:37:59,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1113 states and 2221 transitions. [2018-09-30 21:37:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 1114 states and 2223 transitions. [2018-09-30 21:37:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 2223 transitions. [2018-09-30 21:37:59,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1115 states and 2225 transitions. [2018-09-30 21:37:59,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 2225 transitions. [2018-09-30 21:37:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1116 states and 2227 transitions. [2018-09-30 21:37:59,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 2227 transitions. [2018-09-30 21:37:59,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1117 states and 2229 transitions. [2018-09-30 21:37:59,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 2229 transitions. [2018-09-30 21:37:59,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1118 states and 2231 transitions. [2018-09-30 21:37:59,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 2231 transitions. [2018-09-30 21:37:59,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:37:59,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:37:59,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1119 states and 2233 transitions. [2018-09-30 21:37:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 2233 transitions. [2018-09-30 21:37:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:37:59,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:37:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:37:59,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:37:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1120 states and 2235 transitions. [2018-09-30 21:38:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 2235 transitions. [2018-09-30 21:38:00,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2237 states to 1121 states and 2237 transitions. [2018-09-30 21:38:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 2237 transitions. [2018-09-30 21:38:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 1122 states and 2239 transitions. [2018-09-30 21:38:00,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 2239 transitions. [2018-09-30 21:38:00,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,180 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1123 states and 2241 transitions. [2018-09-30 21:38:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2241 transitions. [2018-09-30 21:38:00,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1124 states and 2243 transitions. [2018-09-30 21:38:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 2243 transitions. [2018-09-30 21:38:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1125 states and 2245 transitions. [2018-09-30 21:38:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 2245 transitions. [2018-09-30 21:38:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1126 states and 2247 transitions. [2018-09-30 21:38:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2247 transitions. [2018-09-30 21:38:00,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1127 states and 2249 transitions. [2018-09-30 21:38:00,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2249 transitions. [2018-09-30 21:38:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2251 states to 1128 states and 2251 transitions. [2018-09-30 21:38:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 2251 transitions. [2018-09-30 21:38:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 1129 states and 2253 transitions. [2018-09-30 21:38:00,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 2253 transitions. [2018-09-30 21:38:00,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1130 states and 2255 transitions. [2018-09-30 21:38:00,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 2255 transitions. [2018-09-30 21:38:00,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1131 states and 2257 transitions. [2018-09-30 21:38:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2257 transitions. [2018-09-30 21:38:00,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:00,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:00,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 1132 states and 2259 transitions. [2018-09-30 21:38:00,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 2259 transitions. [2018-09-30 21:38:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:00,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:00,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1133 states and 2261 transitions. [2018-09-30 21:38:01,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 2261 transitions. [2018-09-30 21:38:01,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 1134 states and 2263 transitions. [2018-09-30 21:38:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 2263 transitions. [2018-09-30 21:38:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 1135 states and 2265 transitions. [2018-09-30 21:38:01,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1135 states and 2265 transitions. [2018-09-30 21:38:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1136 states and 2267 transitions. [2018-09-30 21:38:01,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 2267 transitions. [2018-09-30 21:38:01,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1137 states and 2269 transitions. [2018-09-30 21:38:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 2269 transitions. [2018-09-30 21:38:01,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,467 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 1138 states and 2271 transitions. [2018-09-30 21:38:01,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 2271 transitions. [2018-09-30 21:38:01,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1139 states and 2273 transitions. [2018-09-30 21:38:01,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2273 transitions. [2018-09-30 21:38:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1140 states and 2275 transitions. [2018-09-30 21:38:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2275 transitions. [2018-09-30 21:38:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 1141 states and 2277 transitions. [2018-09-30 21:38:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2277 transitions. [2018-09-30 21:38:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1142 states and 2279 transitions. [2018-09-30 21:38:01,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 2279 transitions. [2018-09-30 21:38:01,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1143 states and 2281 transitions. [2018-09-30 21:38:01,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 2281 transitions. [2018-09-30 21:38:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1144 states and 2283 transitions. [2018-09-30 21:38:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2283 transitions. [2018-09-30 21:38:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:01,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:01,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2285 states to 1145 states and 2285 transitions. [2018-09-30 21:38:02,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 2285 transitions. [2018-09-30 21:38:02,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1146 states and 2287 transitions. [2018-09-30 21:38:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2287 transitions. [2018-09-30 21:38:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1147 states and 2289 transitions. [2018-09-30 21:38:02,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 2289 transitions. [2018-09-30 21:38:02,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2291 states to 1148 states and 2291 transitions. [2018-09-30 21:38:02,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 2291 transitions. [2018-09-30 21:38:02,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 1149 states and 2293 transitions. [2018-09-30 21:38:02,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2293 transitions. [2018-09-30 21:38:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1150 states and 2295 transitions. [2018-09-30 21:38:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2295 transitions. [2018-09-30 21:38:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1151 states and 2297 transitions. [2018-09-30 21:38:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2297 transitions. [2018-09-30 21:38:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2299 states to 1152 states and 2299 transitions. [2018-09-30 21:38:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2299 transitions. [2018-09-30 21:38:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,600 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1153 states and 2301 transitions. [2018-09-30 21:38:02,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2301 transitions. [2018-09-30 21:38:02,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1154 states and 2303 transitions. [2018-09-30 21:38:02,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 2303 transitions. [2018-09-30 21:38:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 1155 states and 2305 transitions. [2018-09-30 21:38:02,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2305 transitions. [2018-09-30 21:38:02,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1156 states and 2307 transitions. [2018-09-30 21:38:02,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 2307 transitions. [2018-09-30 21:38:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:02,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:02,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1157 states and 2309 transitions. [2018-09-30 21:38:02,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2309 transitions. [2018-09-30 21:38:02,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:02,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:02,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:02,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1158 states and 2311 transitions. [2018-09-30 21:38:03,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 2311 transitions. [2018-09-30 21:38:03,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1159 states and 2313 transitions. [2018-09-30 21:38:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2313 transitions. [2018-09-30 21:38:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1160 states and 2315 transitions. [2018-09-30 21:38:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 2315 transitions. [2018-09-30 21:38:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2317 states to 1161 states and 2317 transitions. [2018-09-30 21:38:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2317 transitions. [2018-09-30 21:38:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 1162 states and 2319 transitions. [2018-09-30 21:38:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 2319 transitions. [2018-09-30 21:38:03,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2321 states to 1163 states and 2321 transitions. [2018-09-30 21:38:03,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2321 transitions. [2018-09-30 21:38:03,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1164 states and 2323 transitions. [2018-09-30 21:38:03,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 2323 transitions. [2018-09-30 21:38:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1165 states and 2325 transitions. [2018-09-30 21:38:03,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 2325 transitions. [2018-09-30 21:38:03,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1166 states and 2327 transitions. [2018-09-30 21:38:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2327 transitions. [2018-09-30 21:38:03,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2329 states to 1167 states and 2329 transitions. [2018-09-30 21:38:03,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2329 transitions. [2018-09-30 21:38:03,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1168 states and 2331 transitions. [2018-09-30 21:38:03,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 2331 transitions. [2018-09-30 21:38:03,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 1169 states and 2333 transitions. [2018-09-30 21:38:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2333 transitions. [2018-09-30 21:38:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:03,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2335 states to 1170 states and 2335 transitions. [2018-09-30 21:38:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 2335 transitions. [2018-09-30 21:38:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:03,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:03,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1171 states and 2337 transitions. [2018-09-30 21:38:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2337 transitions. [2018-09-30 21:38:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 1172 states and 2339 transitions. [2018-09-30 21:38:04,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 2339 transitions. [2018-09-30 21:38:04,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1173 states and 2341 transitions. [2018-09-30 21:38:04,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 2341 transitions. [2018-09-30 21:38:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 1174 states and 2343 transitions. [2018-09-30 21:38:04,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 2343 transitions. [2018-09-30 21:38:04,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 1175 states and 2345 transitions. [2018-09-30 21:38:04,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 2345 transitions. [2018-09-30 21:38:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 1176 states and 2347 transitions. [2018-09-30 21:38:04,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 2347 transitions. [2018-09-30 21:38:04,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1177 states and 2349 transitions. [2018-09-30 21:38:04,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 2349 transitions. [2018-09-30 21:38:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1178 states and 2351 transitions. [2018-09-30 21:38:04,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 2351 transitions. [2018-09-30 21:38:04,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1179 states and 2353 transitions. [2018-09-30 21:38:04,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2353 transitions. [2018-09-30 21:38:04,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2355 states to 1180 states and 2355 transitions. [2018-09-30 21:38:04,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 2355 transitions. [2018-09-30 21:38:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 1181 states and 2357 transitions. [2018-09-30 21:38:04,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2357 transitions. [2018-09-30 21:38:04,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 1182 states and 2359 transitions. [2018-09-30 21:38:04,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 2359 transitions. [2018-09-30 21:38:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,838 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2361 states to 1183 states and 2361 transitions. [2018-09-30 21:38:04,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2361 transitions. [2018-09-30 21:38:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:04,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:04,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 1184 states and 2363 transitions. [2018-09-30 21:38:04,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 2363 transitions. [2018-09-30 21:38:04,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:04,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:04,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:04,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 1185 states and 2365 transitions. [2018-09-30 21:38:05,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 2365 transitions. [2018-09-30 21:38:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1186 states and 2367 transitions. [2018-09-30 21:38:05,134 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 2367 transitions. [2018-09-30 21:38:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 1187 states and 2369 transitions. [2018-09-30 21:38:05,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 2369 transitions. [2018-09-30 21:38:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2371 states to 1188 states and 2371 transitions. [2018-09-30 21:38:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1188 states and 2371 transitions. [2018-09-30 21:38:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2373 states to 1189 states and 2373 transitions. [2018-09-30 21:38:05,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 2373 transitions. [2018-09-30 21:38:05,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 1190 states and 2375 transitions. [2018-09-30 21:38:05,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 2375 transitions. [2018-09-30 21:38:05,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 1191 states and 2377 transitions. [2018-09-30 21:38:05,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1191 states and 2377 transitions. [2018-09-30 21:38:05,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2379 states to 1192 states and 2379 transitions. [2018-09-30 21:38:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 2379 transitions. [2018-09-30 21:38:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1193 states and 2381 transitions. [2018-09-30 21:38:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 2381 transitions. [2018-09-30 21:38:05,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 1194 states and 2383 transitions. [2018-09-30 21:38:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 2383 transitions. [2018-09-30 21:38:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 1195 states and 2385 transitions. [2018-09-30 21:38:05,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 2385 transitions. [2018-09-30 21:38:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 1196 states and 2387 transitions. [2018-09-30 21:38:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 2387 transitions. [2018-09-30 21:38:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:05,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:05,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:05,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1197 states and 2389 transitions. [2018-09-30 21:38:05,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 2389 transitions. [2018-09-30 21:38:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:05,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:05,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 1198 states and 2391 transitions. [2018-09-30 21:38:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 2391 transitions. [2018-09-30 21:38:06,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 1199 states and 2393 transitions. [2018-09-30 21:38:06,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 2393 transitions. [2018-09-30 21:38:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 1200 states and 2395 transitions. [2018-09-30 21:38:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1200 states and 2395 transitions. [2018-09-30 21:38:06,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2397 states to 1201 states and 2397 transitions. [2018-09-30 21:38:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 2397 transitions. [2018-09-30 21:38:06,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 1202 states and 2399 transitions. [2018-09-30 21:38:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 2399 transitions. [2018-09-30 21:38:06,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1203 states and 2401 transitions. [2018-09-30 21:38:06,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 2401 transitions. [2018-09-30 21:38:06,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 1204 states and 2403 transitions. [2018-09-30 21:38:06,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 2403 transitions. [2018-09-30 21:38:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 1205 states and 2405 transitions. [2018-09-30 21:38:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 2405 transitions. [2018-09-30 21:38:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2407 states to 1206 states and 2407 transitions. [2018-09-30 21:38:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 2407 transitions. [2018-09-30 21:38:06,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 1207 states and 2409 transitions. [2018-09-30 21:38:06,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 2409 transitions. [2018-09-30 21:38:06,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2411 states to 1208 states and 2411 transitions. [2018-09-30 21:38:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 2411 transitions. [2018-09-30 21:38:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,913 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:06,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:06,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2413 states to 1209 states and 2413 transitions. [2018-09-30 21:38:06,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 2413 transitions. [2018-09-30 21:38:06,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:06,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:06,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 1210 states and 2415 transitions. [2018-09-30 21:38:07,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 2415 transitions. [2018-09-30 21:38:07,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 1211 states and 2417 transitions. [2018-09-30 21:38:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 2417 transitions. [2018-09-30 21:38:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 1212 states and 2419 transitions. [2018-09-30 21:38:07,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 2419 transitions. [2018-09-30 21:38:07,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 1213 states and 2421 transitions. [2018-09-30 21:38:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 2421 transitions. [2018-09-30 21:38:07,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 1214 states and 2423 transitions. [2018-09-30 21:38:07,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 2423 transitions. [2018-09-30 21:38:07,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 1215 states and 2425 transitions. [2018-09-30 21:38:07,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 2425 transitions. [2018-09-30 21:38:07,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 1216 states and 2427 transitions. [2018-09-30 21:38:07,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 2427 transitions. [2018-09-30 21:38:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2429 states to 1217 states and 2429 transitions. [2018-09-30 21:38:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 2429 transitions. [2018-09-30 21:38:07,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2431 states to 1218 states and 2431 transitions. [2018-09-30 21:38:07,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 2431 transitions. [2018-09-30 21:38:07,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 1219 states and 2433 transitions. [2018-09-30 21:38:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 2433 transitions. [2018-09-30 21:38:07,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 1220 states and 2435 transitions. [2018-09-30 21:38:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 2435 transitions. [2018-09-30 21:38:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 1221 states and 2437 transitions. [2018-09-30 21:38:07,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 2437 transitions. [2018-09-30 21:38:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,886 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 1222 states and 2439 transitions. [2018-09-30 21:38:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2439 transitions. [2018-09-30 21:38:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:07,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:07,962 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:07,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 1223 states and 2441 transitions. [2018-09-30 21:38:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 2441 transitions. [2018-09-30 21:38:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 1224 states and 2443 transitions. [2018-09-30 21:38:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 2443 transitions. [2018-09-30 21:38:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 1225 states and 2445 transitions. [2018-09-30 21:38:08,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 2445 transitions. [2018-09-30 21:38:08,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2447 states to 1226 states and 2447 transitions. [2018-09-30 21:38:08,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 2447 transitions. [2018-09-30 21:38:08,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2449 states to 1227 states and 2449 transitions. [2018-09-30 21:38:08,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 2449 transitions. [2018-09-30 21:38:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2451 states to 1228 states and 2451 transitions. [2018-09-30 21:38:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 2451 transitions. [2018-09-30 21:38:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 1229 states and 2453 transitions. [2018-09-30 21:38:08,498 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 2453 transitions. [2018-09-30 21:38:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 1230 states and 2455 transitions. [2018-09-30 21:38:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 2455 transitions. [2018-09-30 21:38:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1231 states and 2457 transitions. [2018-09-30 21:38:08,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 2457 transitions. [2018-09-30 21:38:08,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 1232 states and 2459 transitions. [2018-09-30 21:38:08,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 2459 transitions. [2018-09-30 21:38:08,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1233 states and 2461 transitions. [2018-09-30 21:38:08,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1233 states and 2461 transitions. [2018-09-30 21:38:08,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 1234 states and 2463 transitions. [2018-09-30 21:38:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 2463 transitions. [2018-09-30 21:38:08,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:08,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 1235 states and 2465 transitions. [2018-09-30 21:38:08,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 2465 transitions. [2018-09-30 21:38:08,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:08,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:08,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:08,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 1236 states and 2467 transitions. [2018-09-30 21:38:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 2467 transitions. [2018-09-30 21:38:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1237 states and 2469 transitions. [2018-09-30 21:38:09,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 2469 transitions. [2018-09-30 21:38:09,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 1238 states and 2471 transitions. [2018-09-30 21:38:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 2471 transitions. [2018-09-30 21:38:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 1239 states and 2473 transitions. [2018-09-30 21:38:09,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 2473 transitions. [2018-09-30 21:38:09,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 1240 states and 2475 transitions. [2018-09-30 21:38:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 2475 transitions. [2018-09-30 21:38:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2477 states to 1241 states and 2477 transitions. [2018-09-30 21:38:09,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 2477 transitions. [2018-09-30 21:38:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,426 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 1242 states and 2479 transitions. [2018-09-30 21:38:09,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 2479 transitions. [2018-09-30 21:38:09,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 1243 states and 2481 transitions. [2018-09-30 21:38:09,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 2481 transitions. [2018-09-30 21:38:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2483 states to 1244 states and 2483 transitions. [2018-09-30 21:38:09,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 2483 transitions. [2018-09-30 21:38:09,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 1245 states and 2485 transitions. [2018-09-30 21:38:09,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 2485 transitions. [2018-09-30 21:38:09,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 1246 states and 2487 transitions. [2018-09-30 21:38:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 2487 transitions. [2018-09-30 21:38:09,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 1247 states and 2489 transitions. [2018-09-30 21:38:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 2489 transitions. [2018-09-30 21:38:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:09,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:09,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 1248 states and 2491 transitions. [2018-09-30 21:38:09,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 2491 transitions. [2018-09-30 21:38:09,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:09,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:09,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:09,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 1249 states and 2493 transitions. [2018-09-30 21:38:10,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 2493 transitions. [2018-09-30 21:38:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 1250 states and 2495 transitions. [2018-09-30 21:38:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 2495 transitions. [2018-09-30 21:38:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 1251 states and 2497 transitions. [2018-09-30 21:38:10,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 2497 transitions. [2018-09-30 21:38:10,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 1252 states and 2499 transitions. [2018-09-30 21:38:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 2499 transitions. [2018-09-30 21:38:10,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 1253 states and 2501 transitions. [2018-09-30 21:38:10,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 2501 transitions. [2018-09-30 21:38:10,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 1254 states and 2503 transitions. [2018-09-30 21:38:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 2503 transitions. [2018-09-30 21:38:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 1255 states and 2505 transitions. [2018-09-30 21:38:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 2505 transitions. [2018-09-30 21:38:10,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1256 states and 2507 transitions. [2018-09-30 21:38:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 2507 transitions. [2018-09-30 21:38:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 1257 states and 2509 transitions. [2018-09-30 21:38:10,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 2509 transitions. [2018-09-30 21:38:10,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 1258 states and 2511 transitions. [2018-09-30 21:38:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 2511 transitions. [2018-09-30 21:38:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,760 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2513 states to 1259 states and 2513 transitions. [2018-09-30 21:38:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 2513 transitions. [2018-09-30 21:38:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 1260 states and 2515 transitions. [2018-09-30 21:38:10,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 2515 transitions. [2018-09-30 21:38:10,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:10,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 1261 states and 2517 transitions. [2018-09-30 21:38:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 2517 transitions. [2018-09-30 21:38:10,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:10,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:10,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 1262 states and 2519 transitions. [2018-09-30 21:38:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 2519 transitions. [2018-09-30 21:38:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 1263 states and 2521 transitions. [2018-09-30 21:38:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 2521 transitions. [2018-09-30 21:38:11,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 1264 states and 2523 transitions. [2018-09-30 21:38:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 2523 transitions. [2018-09-30 21:38:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 1265 states and 2525 transitions. [2018-09-30 21:38:11,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 2525 transitions. [2018-09-30 21:38:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 1266 states and 2527 transitions. [2018-09-30 21:38:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 2527 transitions. [2018-09-30 21:38:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 1267 states and 2529 transitions. [2018-09-30 21:38:11,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 2529 transitions. [2018-09-30 21:38:11,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 1268 states and 2531 transitions. [2018-09-30 21:38:11,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 2531 transitions. [2018-09-30 21:38:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 1269 states and 2533 transitions. [2018-09-30 21:38:11,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 2533 transitions. [2018-09-30 21:38:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 1270 states and 2535 transitions. [2018-09-30 21:38:11,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 2535 transitions. [2018-09-30 21:38:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1271 states and 2537 transitions. [2018-09-30 21:38:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 2537 transitions. [2018-09-30 21:38:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 1272 states and 2539 transitions. [2018-09-30 21:38:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 2539 transitions. [2018-09-30 21:38:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:11,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:11,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2541 states to 1273 states and 2541 transitions. [2018-09-30 21:38:11,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 2541 transitions. [2018-09-30 21:38:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:11,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:11,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 1274 states and 2543 transitions. [2018-09-30 21:38:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 2543 transitions. [2018-09-30 21:38:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 1275 states and 2545 transitions. [2018-09-30 21:38:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 2545 transitions. [2018-09-30 21:38:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1276 states and 2547 transitions. [2018-09-30 21:38:12,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 2547 transitions. [2018-09-30 21:38:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 1277 states and 2549 transitions. [2018-09-30 21:38:12,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 2549 transitions. [2018-09-30 21:38:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 1278 states and 2551 transitions. [2018-09-30 21:38:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 2551 transitions. [2018-09-30 21:38:12,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 1279 states and 2553 transitions. [2018-09-30 21:38:12,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2553 transitions. [2018-09-30 21:38:12,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2555 states to 1280 states and 2555 transitions. [2018-09-30 21:38:12,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1280 states and 2555 transitions. [2018-09-30 21:38:12,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 1281 states and 2557 transitions. [2018-09-30 21:38:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 2557 transitions. [2018-09-30 21:38:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,595 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1282 states and 2559 transitions. [2018-09-30 21:38:12,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 2559 transitions. [2018-09-30 21:38:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 1283 states and 2561 transitions. [2018-09-30 21:38:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2561 transitions. [2018-09-30 21:38:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,756 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 1284 states and 2563 transitions. [2018-09-30 21:38:12,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 2563 transitions. [2018-09-30 21:38:12,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 1285 states and 2565 transitions. [2018-09-30 21:38:12,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 2565 transitions. [2018-09-30 21:38:12,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:12,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1286 states and 2567 transitions. [2018-09-30 21:38:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 2567 transitions. [2018-09-30 21:38:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:12,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:12,988 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 1287 states and 2569 transitions. [2018-09-30 21:38:13,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1287 states and 2569 transitions. [2018-09-30 21:38:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 1288 states and 2571 transitions. [2018-09-30 21:38:13,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 2571 transitions. [2018-09-30 21:38:13,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 1289 states and 2573 transitions. [2018-09-30 21:38:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 2573 transitions. [2018-09-30 21:38:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 1290 states and 2575 transitions. [2018-09-30 21:38:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 2575 transitions. [2018-09-30 21:38:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 1291 states and 2577 transitions. [2018-09-30 21:38:13,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1291 states and 2577 transitions. [2018-09-30 21:38:13,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1292 states and 2579 transitions. [2018-09-30 21:38:13,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2579 transitions. [2018-09-30 21:38:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 1293 states and 2581 transitions. [2018-09-30 21:38:13,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 2581 transitions. [2018-09-30 21:38:13,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 1294 states and 2583 transitions. [2018-09-30 21:38:13,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 2583 transitions. [2018-09-30 21:38:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 1295 states and 2585 transitions. [2018-09-30 21:38:13,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 2585 transitions. [2018-09-30 21:38:13,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2587 states to 1296 states and 2587 transitions. [2018-09-30 21:38:13,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 2587 transitions. [2018-09-30 21:38:13,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2589 states to 1297 states and 2589 transitions. [2018-09-30 21:38:13,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 2589 transitions. [2018-09-30 21:38:13,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:13,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:13,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 1298 states and 2591 transitions. [2018-09-30 21:38:13,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 2591 transitions. [2018-09-30 21:38:13,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:13,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:13,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:13,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1299 states and 2593 transitions. [2018-09-30 21:38:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 2593 transitions. [2018-09-30 21:38:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 1300 states and 2595 transitions. [2018-09-30 21:38:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 2595 transitions. [2018-09-30 21:38:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,107 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 1301 states and 2597 transitions. [2018-09-30 21:38:14,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 2597 transitions. [2018-09-30 21:38:14,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 1302 states and 2599 transitions. [2018-09-30 21:38:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 2599 transitions. [2018-09-30 21:38:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 1303 states and 2601 transitions. [2018-09-30 21:38:14,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1303 states and 2601 transitions. [2018-09-30 21:38:14,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 1304 states and 2603 transitions. [2018-09-30 21:38:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2603 transitions. [2018-09-30 21:38:14,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,456 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 1305 states and 2605 transitions. [2018-09-30 21:38:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 2605 transitions. [2018-09-30 21:38:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 1306 states and 2607 transitions. [2018-09-30 21:38:14,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1306 states and 2607 transitions. [2018-09-30 21:38:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 1307 states and 2609 transitions. [2018-09-30 21:38:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 2609 transitions. [2018-09-30 21:38:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,690 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 1308 states and 2611 transitions. [2018-09-30 21:38:14,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2611 transitions. [2018-09-30 21:38:14,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 1309 states and 2613 transitions. [2018-09-30 21:38:14,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 2613 transitions. [2018-09-30 21:38:14,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:14,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:14,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 1310 states and 2615 transitions. [2018-09-30 21:38:14,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 2615 transitions. [2018-09-30 21:38:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:14,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:14,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:14,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 1311 states and 2617 transitions. [2018-09-30 21:38:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 2617 transitions. [2018-09-30 21:38:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 1312 states and 2619 transitions. [2018-09-30 21:38:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 2619 transitions. [2018-09-30 21:38:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 1313 states and 2621 transitions. [2018-09-30 21:38:15,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 2621 transitions. [2018-09-30 21:38:15,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,171 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2623 states to 1314 states and 2623 transitions. [2018-09-30 21:38:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 2623 transitions. [2018-09-30 21:38:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 1315 states and 2625 transitions. [2018-09-30 21:38:15,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 2625 transitions. [2018-09-30 21:38:15,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 1316 states and 2627 transitions. [2018-09-30 21:38:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 2627 transitions. [2018-09-30 21:38:15,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 1317 states and 2629 transitions. [2018-09-30 21:38:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 2629 transitions. [2018-09-30 21:38:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 1318 states and 2631 transitions. [2018-09-30 21:38:15,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 2631 transitions. [2018-09-30 21:38:15,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,577 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 1319 states and 2633 transitions. [2018-09-30 21:38:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 2633 transitions. [2018-09-30 21:38:15,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,659 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2635 states to 1320 states and 2635 transitions. [2018-09-30 21:38:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2635 transitions. [2018-09-30 21:38:15,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,742 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 1321 states and 2637 transitions. [2018-09-30 21:38:15,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 2637 transitions. [2018-09-30 21:38:15,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2639 states to 1322 states and 2639 transitions. [2018-09-30 21:38:15,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 2639 transitions. [2018-09-30 21:38:15,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:15,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2641 states to 1323 states and 2641 transitions. [2018-09-30 21:38:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 2641 transitions. [2018-09-30 21:38:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:15,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:15,973 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:15,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 1324 states and 2643 transitions. [2018-09-30 21:38:16,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 2643 transitions. [2018-09-30 21:38:16,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 1325 states and 2645 transitions. [2018-09-30 21:38:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 2645 transitions. [2018-09-30 21:38:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 1326 states and 2647 transitions. [2018-09-30 21:38:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 2647 transitions. [2018-09-30 21:38:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 1327 states and 2649 transitions. [2018-09-30 21:38:16,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 2649 transitions. [2018-09-30 21:38:16,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 1328 states and 2651 transitions. [2018-09-30 21:38:16,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2651 transitions. [2018-09-30 21:38:16,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,370 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 1329 states and 2653 transitions. [2018-09-30 21:38:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 2653 transitions. [2018-09-30 21:38:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 1330 states and 2655 transitions. [2018-09-30 21:38:16,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 2655 transitions. [2018-09-30 21:38:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 1331 states and 2657 transitions. [2018-09-30 21:38:16,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 2657 transitions. [2018-09-30 21:38:16,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 1332 states and 2659 transitions. [2018-09-30 21:38:16,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 2659 transitions. [2018-09-30 21:38:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,717 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 1333 states and 2661 transitions. [2018-09-30 21:38:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 2661 transitions. [2018-09-30 21:38:16,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 1334 states and 2663 transitions. [2018-09-30 21:38:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 2663 transitions. [2018-09-30 21:38:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:16,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 1335 states and 2665 transitions. [2018-09-30 21:38:16,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 2665 transitions. [2018-09-30 21:38:16,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:16,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:16,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 1336 states and 2667 transitions. [2018-09-30 21:38:17,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 2667 transitions. [2018-09-30 21:38:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 1337 states and 2669 transitions. [2018-09-30 21:38:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 2669 transitions. [2018-09-30 21:38:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 1338 states and 2671 transitions. [2018-09-30 21:38:17,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 2671 transitions. [2018-09-30 21:38:17,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 1339 states and 2673 transitions. [2018-09-30 21:38:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 2673 transitions. [2018-09-30 21:38:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 1340 states and 2675 transitions. [2018-09-30 21:38:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 2675 transitions. [2018-09-30 21:38:17,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 1341 states and 2677 transitions. [2018-09-30 21:38:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 2677 transitions. [2018-09-30 21:38:17,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2679 states to 1342 states and 2679 transitions. [2018-09-30 21:38:17,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2679 transitions. [2018-09-30 21:38:17,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 1343 states and 2681 transitions. [2018-09-30 21:38:17,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 2681 transitions. [2018-09-30 21:38:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 1344 states and 2683 transitions. [2018-09-30 21:38:17,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 2683 transitions. [2018-09-30 21:38:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 1345 states and 2685 transitions. [2018-09-30 21:38:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 2685 transitions. [2018-09-30 21:38:17,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 1346 states and 2687 transitions. [2018-09-30 21:38:17,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 2687 transitions. [2018-09-30 21:38:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:17,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:17,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 1347 states and 2689 transitions. [2018-09-30 21:38:17,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 2689 transitions. [2018-09-30 21:38:17,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:17,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:17,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:17,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 1348 states and 2691 transitions. [2018-09-30 21:38:18,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 2691 transitions. [2018-09-30 21:38:18,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 1349 states and 2693 transitions. [2018-09-30 21:38:18,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 2693 transitions. [2018-09-30 21:38:18,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 1350 states and 2695 transitions. [2018-09-30 21:38:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2695 transitions. [2018-09-30 21:38:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 1351 states and 2697 transitions. [2018-09-30 21:38:18,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2697 transitions. [2018-09-30 21:38:18,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2699 states to 1352 states and 2699 transitions. [2018-09-30 21:38:18,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2699 transitions. [2018-09-30 21:38:18,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 1353 states and 2701 transitions. [2018-09-30 21:38:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 2701 transitions. [2018-09-30 21:38:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 1354 states and 2703 transitions. [2018-09-30 21:38:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2703 transitions. [2018-09-30 21:38:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 1355 states and 2705 transitions. [2018-09-30 21:38:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 2705 transitions. [2018-09-30 21:38:18,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 1356 states and 2707 transitions. [2018-09-30 21:38:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 2707 transitions. [2018-09-30 21:38:18,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 1357 states and 2709 transitions. [2018-09-30 21:38:18,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 2709 transitions. [2018-09-30 21:38:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2711 states to 1358 states and 2711 transitions. [2018-09-30 21:38:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 2711 transitions. [2018-09-30 21:38:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:18,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:18,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2713 states to 1359 states and 2713 transitions. [2018-09-30 21:38:18,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 2713 transitions. [2018-09-30 21:38:18,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:18,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:18,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 1360 states and 2715 transitions. [2018-09-30 21:38:19,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 2715 transitions. [2018-09-30 21:38:19,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 1361 states and 2717 transitions. [2018-09-30 21:38:19,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 2717 transitions. [2018-09-30 21:38:19,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2719 states to 1362 states and 2719 transitions. [2018-09-30 21:38:19,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 2719 transitions. [2018-09-30 21:38:19,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 1363 states and 2721 transitions. [2018-09-30 21:38:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1363 states and 2721 transitions. [2018-09-30 21:38:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2723 states to 1364 states and 2723 transitions. [2018-09-30 21:38:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 2723 transitions. [2018-09-30 21:38:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,364 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 1365 states and 2725 transitions. [2018-09-30 21:38:19,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 2725 transitions. [2018-09-30 21:38:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 1366 states and 2727 transitions. [2018-09-30 21:38:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 2727 transitions. [2018-09-30 21:38:19,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 1367 states and 2729 transitions. [2018-09-30 21:38:19,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 2729 transitions. [2018-09-30 21:38:19,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 1368 states and 2731 transitions. [2018-09-30 21:38:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 2731 transitions. [2018-09-30 21:38:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 1369 states and 2733 transitions. [2018-09-30 21:38:19,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1369 states and 2733 transitions. [2018-09-30 21:38:19,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2735 states to 1370 states and 2735 transitions. [2018-09-30 21:38:19,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 2735 transitions. [2018-09-30 21:38:19,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:19,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:19,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 1371 states and 2737 transitions. [2018-09-30 21:38:19,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2737 transitions. [2018-09-30 21:38:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:19,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:19,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 1372 states and 2739 transitions. [2018-09-30 21:38:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2739 transitions. [2018-09-30 21:38:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,166 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 1373 states and 2741 transitions. [2018-09-30 21:38:20,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 2741 transitions. [2018-09-30 21:38:20,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 1374 states and 2743 transitions. [2018-09-30 21:38:20,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2743 transitions. [2018-09-30 21:38:20,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2745 states to 1375 states and 2745 transitions. [2018-09-30 21:38:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 2745 transitions. [2018-09-30 21:38:20,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2747 states to 1376 states and 2747 transitions. [2018-09-30 21:38:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 2747 transitions. [2018-09-30 21:38:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 1377 states and 2749 transitions. [2018-09-30 21:38:20,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 2749 transitions. [2018-09-30 21:38:20,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 1378 states and 2751 transitions. [2018-09-30 21:38:20,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 2751 transitions. [2018-09-30 21:38:20,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,652 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2753 states to 1379 states and 2753 transitions. [2018-09-30 21:38:20,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 2753 transitions. [2018-09-30 21:38:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 1380 states and 2755 transitions. [2018-09-30 21:38:20,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 2755 transitions. [2018-09-30 21:38:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:20,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 1381 states and 2757 transitions. [2018-09-30 21:38:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 2757 transitions. [2018-09-30 21:38:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:20,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:20,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 1382 states and 2759 transitions. [2018-09-30 21:38:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 2759 transitions. [2018-09-30 21:38:21,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 1383 states and 2761 transitions. [2018-09-30 21:38:21,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 2761 transitions. [2018-09-30 21:38:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 1384 states and 2763 transitions. [2018-09-30 21:38:21,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 2763 transitions. [2018-09-30 21:38:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 1385 states and 2765 transitions. [2018-09-30 21:38:21,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 2765 transitions. [2018-09-30 21:38:21,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2767 states to 1386 states and 2767 transitions. [2018-09-30 21:38:21,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 2767 transitions. [2018-09-30 21:38:21,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 1387 states and 2769 transitions. [2018-09-30 21:38:21,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 2769 transitions. [2018-09-30 21:38:21,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 1388 states and 2771 transitions. [2018-09-30 21:38:21,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 2771 transitions. [2018-09-30 21:38:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 1389 states and 2773 transitions. [2018-09-30 21:38:21,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 2773 transitions. [2018-09-30 21:38:21,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 1390 states and 2775 transitions. [2018-09-30 21:38:21,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 2775 transitions. [2018-09-30 21:38:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2777 states to 1391 states and 2777 transitions. [2018-09-30 21:38:21,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 2777 transitions. [2018-09-30 21:38:21,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:21,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:21,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 1392 states and 2779 transitions. [2018-09-30 21:38:21,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 2779 transitions. [2018-09-30 21:38:21,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:21,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:21,959 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:21,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 1393 states and 2781 transitions. [2018-09-30 21:38:22,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 2781 transitions. [2018-09-30 21:38:22,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2783 states to 1394 states and 2783 transitions. [2018-09-30 21:38:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 2783 transitions. [2018-09-30 21:38:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1395 states and 2785 transitions. [2018-09-30 21:38:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 2785 transitions. [2018-09-30 21:38:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2787 states to 1396 states and 2787 transitions. [2018-09-30 21:38:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 2787 transitions. [2018-09-30 21:38:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2789 states to 1397 states and 2789 transitions. [2018-09-30 21:38:22,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 2789 transitions. [2018-09-30 21:38:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 1398 states and 2791 transitions. [2018-09-30 21:38:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 2791 transitions. [2018-09-30 21:38:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1399 states and 2793 transitions. [2018-09-30 21:38:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 2793 transitions. [2018-09-30 21:38:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 1400 states and 2795 transitions. [2018-09-30 21:38:22,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 2795 transitions. [2018-09-30 21:38:22,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,626 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 1401 states and 2797 transitions. [2018-09-30 21:38:22,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 2797 transitions. [2018-09-30 21:38:22,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 1402 states and 2799 transitions. [2018-09-30 21:38:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 2799 transitions. [2018-09-30 21:38:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1403 states and 2801 transitions. [2018-09-30 21:38:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 2801 transitions. [2018-09-30 21:38:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,884 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:22,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 1404 states and 2803 transitions. [2018-09-30 21:38:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 2803 transitions. [2018-09-30 21:38:22,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:22,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:22,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:22,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 1405 states and 2805 transitions. [2018-09-30 21:38:23,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 2805 transitions. [2018-09-30 21:38:23,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 1406 states and 2807 transitions. [2018-09-30 21:38:23,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2807 transitions. [2018-09-30 21:38:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2809 states to 1407 states and 2809 transitions. [2018-09-30 21:38:23,208 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 2809 transitions. [2018-09-30 21:38:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 1408 states and 2811 transitions. [2018-09-30 21:38:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 2811 transitions. [2018-09-30 21:38:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 1409 states and 2813 transitions. [2018-09-30 21:38:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 2813 transitions. [2018-09-30 21:38:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2815 states to 1410 states and 2815 transitions. [2018-09-30 21:38:23,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 2815 transitions. [2018-09-30 21:38:23,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,465 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 1411 states and 2817 transitions. [2018-09-30 21:38:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 2817 transitions. [2018-09-30 21:38:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 1412 states and 2819 transitions. [2018-09-30 21:38:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 2819 transitions. [2018-09-30 21:38:23,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 1413 states and 2821 transitions. [2018-09-30 21:38:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2821 transitions. [2018-09-30 21:38:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2823 states to 1414 states and 2823 transitions. [2018-09-30 21:38:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1414 states and 2823 transitions. [2018-09-30 21:38:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:23,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:23,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 1415 states and 2825 transitions. [2018-09-30 21:38:23,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 2825 transitions. [2018-09-30 21:38:23,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:23,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:23,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:23,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 1416 states and 2827 transitions. [2018-09-30 21:38:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 2827 transitions. [2018-09-30 21:38:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1417 states and 2829 transitions. [2018-09-30 21:38:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2829 transitions. [2018-09-30 21:38:24,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 1418 states and 2831 transitions. [2018-09-30 21:38:24,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 2831 transitions. [2018-09-30 21:38:24,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2833 states to 1419 states and 2833 transitions. [2018-09-30 21:38:24,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1419 states and 2833 transitions. [2018-09-30 21:38:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 1420 states and 2835 transitions. [2018-09-30 21:38:24,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 2835 transitions. [2018-09-30 21:38:24,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,404 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 1421 states and 2837 transitions. [2018-09-30 21:38:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2837 transitions. [2018-09-30 21:38:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 1422 states and 2839 transitions. [2018-09-30 21:38:24,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2839 transitions. [2018-09-30 21:38:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 1423 states and 2841 transitions. [2018-09-30 21:38:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 2841 transitions. [2018-09-30 21:38:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 1424 states and 2843 transitions. [2018-09-30 21:38:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2843 transitions. [2018-09-30 21:38:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2845 states to 1425 states and 2845 transitions. [2018-09-30 21:38:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 2845 transitions. [2018-09-30 21:38:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 1426 states and 2847 transitions. [2018-09-30 21:38:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2847 transitions. [2018-09-30 21:38:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:24,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2849 states to 1427 states and 2849 transitions. [2018-09-30 21:38:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2849 transitions. [2018-09-30 21:38:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:24,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:24,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 1428 states and 2851 transitions. [2018-09-30 21:38:25,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2851 transitions. [2018-09-30 21:38:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 1429 states and 2853 transitions. [2018-09-30 21:38:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2853 transitions. [2018-09-30 21:38:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 1430 states and 2855 transitions. [2018-09-30 21:38:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1430 states and 2855 transitions. [2018-09-30 21:38:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,235 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 1431 states and 2857 transitions. [2018-09-30 21:38:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 2857 transitions. [2018-09-30 21:38:25,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2859 states to 1432 states and 2859 transitions. [2018-09-30 21:38:25,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2859 transitions. [2018-09-30 21:38:25,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 1433 states and 2861 transitions. [2018-09-30 21:38:25,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 2861 transitions. [2018-09-30 21:38:25,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 1434 states and 2863 transitions. [2018-09-30 21:38:25,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2863 transitions. [2018-09-30 21:38:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2865 states to 1435 states and 2865 transitions. [2018-09-30 21:38:25,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2865 transitions. [2018-09-30 21:38:25,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 1436 states and 2867 transitions. [2018-09-30 21:38:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2867 transitions. [2018-09-30 21:38:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 1437 states and 2869 transitions. [2018-09-30 21:38:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2869 transitions. [2018-09-30 21:38:25,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 1438 states and 2871 transitions. [2018-09-30 21:38:25,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2871 transitions. [2018-09-30 21:38:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,902 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:25,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:25,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:25,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 1439 states and 2873 transitions. [2018-09-30 21:38:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 2873 transitions. [2018-09-30 21:38:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:25,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:25,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2875 states to 1440 states and 2875 transitions. [2018-09-30 21:38:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2875 transitions. [2018-09-30 21:38:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2877 states to 1441 states and 2877 transitions. [2018-09-30 21:38:26,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 2877 transitions. [2018-09-30 21:38:26,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 1442 states and 2879 transitions. [2018-09-30 21:38:26,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2879 transitions. [2018-09-30 21:38:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 1443 states and 2881 transitions. [2018-09-30 21:38:26,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 2881 transitions. [2018-09-30 21:38:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 1444 states and 2883 transitions. [2018-09-30 21:38:26,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 2883 transitions. [2018-09-30 21:38:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 1445 states and 2885 transitions. [2018-09-30 21:38:26,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 2885 transitions. [2018-09-30 21:38:26,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 1446 states and 2887 transitions. [2018-09-30 21:38:26,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 2887 transitions. [2018-09-30 21:38:26,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 1447 states and 2889 transitions. [2018-09-30 21:38:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2889 transitions. [2018-09-30 21:38:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 1448 states and 2891 transitions. [2018-09-30 21:38:26,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 2891 transitions. [2018-09-30 21:38:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 1449 states and 2893 transitions. [2018-09-30 21:38:26,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 2893 transitions. [2018-09-30 21:38:26,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 1450 states and 2895 transitions. [2018-09-30 21:38:26,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2895 transitions. [2018-09-30 21:38:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:26,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:26,928 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 1451 states and 2897 transitions. [2018-09-30 21:38:27,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 2897 transitions. [2018-09-30 21:38:27,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 1452 states and 2899 transitions. [2018-09-30 21:38:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 2899 transitions. [2018-09-30 21:38:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 1453 states and 2901 transitions. [2018-09-30 21:38:27,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 2901 transitions. [2018-09-30 21:38:27,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 1454 states and 2903 transitions. [2018-09-30 21:38:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 2903 transitions. [2018-09-30 21:38:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 1455 states and 2905 transitions. [2018-09-30 21:38:27,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 2905 transitions. [2018-09-30 21:38:27,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 1456 states and 2907 transitions. [2018-09-30 21:38:27,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 2907 transitions. [2018-09-30 21:38:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 1457 states and 2909 transitions. [2018-09-30 21:38:27,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2909 transitions. [2018-09-30 21:38:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 1458 states and 2911 transitions. [2018-09-30 21:38:27,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2911 transitions. [2018-09-30 21:38:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2913 states to 1459 states and 2913 transitions. [2018-09-30 21:38:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2913 transitions. [2018-09-30 21:38:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 1460 states and 2915 transitions. [2018-09-30 21:38:27,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 2915 transitions. [2018-09-30 21:38:27,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 1461 states and 2917 transitions. [2018-09-30 21:38:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2917 transitions. [2018-09-30 21:38:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:27,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:27,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2919 states to 1462 states and 2919 transitions. [2018-09-30 21:38:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2919 transitions. [2018-09-30 21:38:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 1463 states and 2921 transitions. [2018-09-30 21:38:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2921 transitions. [2018-09-30 21:38:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 1464 states and 2923 transitions. [2018-09-30 21:38:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2923 transitions. [2018-09-30 21:38:28,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 1465 states and 2925 transitions. [2018-09-30 21:38:28,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 2925 transitions. [2018-09-30 21:38:28,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 1466 states and 2927 transitions. [2018-09-30 21:38:28,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1466 states and 2927 transitions. [2018-09-30 21:38:28,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2929 states to 1467 states and 2929 transitions. [2018-09-30 21:38:28,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2929 transitions. [2018-09-30 21:38:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 1468 states and 2931 transitions. [2018-09-30 21:38:28,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 2931 transitions. [2018-09-30 21:38:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2933 states to 1469 states and 2933 transitions. [2018-09-30 21:38:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2933 transitions. [2018-09-30 21:38:28,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 1470 states and 2935 transitions. [2018-09-30 21:38:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 2935 transitions. [2018-09-30 21:38:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2937 states to 1471 states and 2937 transitions. [2018-09-30 21:38:28,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2937 transitions. [2018-09-30 21:38:28,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2939 states to 1472 states and 2939 transitions. [2018-09-30 21:38:28,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1472 states and 2939 transitions. [2018-09-30 21:38:28,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:28,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2941 states to 1473 states and 2941 transitions. [2018-09-30 21:38:28,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2941 transitions. [2018-09-30 21:38:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:28,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:28,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:28,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2943 states to 1474 states and 2943 transitions. [2018-09-30 21:38:29,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2943 transitions. [2018-09-30 21:38:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 1475 states and 2945 transitions. [2018-09-30 21:38:29,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2945 transitions. [2018-09-30 21:38:29,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 1476 states and 2947 transitions. [2018-09-30 21:38:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 2947 transitions. [2018-09-30 21:38:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 1477 states and 2949 transitions. [2018-09-30 21:38:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2949 transitions. [2018-09-30 21:38:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 1478 states and 2951 transitions. [2018-09-30 21:38:29,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2951 transitions. [2018-09-30 21:38:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 1479 states and 2953 transitions. [2018-09-30 21:38:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2953 transitions. [2018-09-30 21:38:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2955 states to 1480 states and 2955 transitions. [2018-09-30 21:38:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 2955 transitions. [2018-09-30 21:38:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 1481 states and 2957 transitions. [2018-09-30 21:38:29,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2957 transitions. [2018-09-30 21:38:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2959 states to 1482 states and 2959 transitions. [2018-09-30 21:38:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2959 transitions. [2018-09-30 21:38:29,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 1483 states and 2961 transitions. [2018-09-30 21:38:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2961 transitions. [2018-09-30 21:38:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2963 states to 1484 states and 2963 transitions. [2018-09-30 21:38:29,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2963 transitions. [2018-09-30 21:38:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2965 states to 1485 states and 2965 transitions. [2018-09-30 21:38:29,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2965 transitions. [2018-09-30 21:38:29,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:29,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:29,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:29,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 1486 states and 2967 transitions. [2018-09-30 21:38:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2967 transitions. [2018-09-30 21:38:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 1487 states and 2969 transitions. [2018-09-30 21:38:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 2969 transitions. [2018-09-30 21:38:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 1488 states and 2971 transitions. [2018-09-30 21:38:30,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 2971 transitions. [2018-09-30 21:38:30,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,225 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2973 states to 1489 states and 2973 transitions. [2018-09-30 21:38:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 2973 transitions. [2018-09-30 21:38:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 1490 states and 2975 transitions. [2018-09-30 21:38:30,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 2975 transitions. [2018-09-30 21:38:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 1491 states and 2977 transitions. [2018-09-30 21:38:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2977 transitions. [2018-09-30 21:38:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2979 states to 1492 states and 2979 transitions. [2018-09-30 21:38:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2979 transitions. [2018-09-30 21:38:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 1493 states and 2981 transitions. [2018-09-30 21:38:30,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 2981 transitions. [2018-09-30 21:38:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,658 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 1494 states and 2983 transitions. [2018-09-30 21:38:30,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2983 transitions. [2018-09-30 21:38:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2985 states to 1495 states and 2985 transitions. [2018-09-30 21:38:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1495 states and 2985 transitions. [2018-09-30 21:38:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:30,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:30,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 1496 states and 2987 transitions. [2018-09-30 21:38:30,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2987 transitions. [2018-09-30 21:38:30,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:30,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:30,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:30,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 1497 states and 2989 transitions. [2018-09-30 21:38:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 2989 transitions. [2018-09-30 21:38:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,008 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 1498 states and 2991 transitions. [2018-09-30 21:38:31,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1498 states and 2991 transitions. [2018-09-30 21:38:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 1499 states and 2993 transitions. [2018-09-30 21:38:31,181 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 2993 transitions. [2018-09-30 21:38:31,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 1500 states and 2995 transitions. [2018-09-30 21:38:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2995 transitions. [2018-09-30 21:38:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 1501 states and 2997 transitions. [2018-09-30 21:38:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 2997 transitions. [2018-09-30 21:38:31,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:31,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:31,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 1502 states and 2999 transitions. [2018-09-30 21:38:31,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 2999 transitions. [2018-09-30 21:38:31,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:31,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:31,966 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 1503 states and 3001 transitions. [2018-09-30 21:38:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 3001 transitions. [2018-09-30 21:38:32,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 1504 states and 3003 transitions. [2018-09-30 21:38:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 3003 transitions. [2018-09-30 21:38:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 1505 states and 3005 transitions. [2018-09-30 21:38:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 3005 transitions. [2018-09-30 21:38:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 1506 states and 3007 transitions. [2018-09-30 21:38:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1506 states and 3007 transitions. [2018-09-30 21:38:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 1507 states and 3009 transitions. [2018-09-30 21:38:32,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 3009 transitions. [2018-09-30 21:38:32,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3011 states to 1508 states and 3011 transitions. [2018-09-30 21:38:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 3011 transitions. [2018-09-30 21:38:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3013 states to 1509 states and 3013 transitions. [2018-09-30 21:38:32,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1509 states and 3013 transitions. [2018-09-30 21:38:32,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 1510 states and 3015 transitions. [2018-09-30 21:38:32,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 3015 transitions. [2018-09-30 21:38:32,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,686 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 1511 states and 3017 transitions. [2018-09-30 21:38:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 3017 transitions. [2018-09-30 21:38:32,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 1512 states and 3019 transitions. [2018-09-30 21:38:32,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 3019 transitions. [2018-09-30 21:38:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,864 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3021 states to 1513 states and 3021 transitions. [2018-09-30 21:38:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 3021 transitions. [2018-09-30 21:38:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:32,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:32,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:32,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3023 states to 1514 states and 3023 transitions. [2018-09-30 21:38:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 3023 transitions. [2018-09-30 21:38:33,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 1515 states and 3025 transitions. [2018-09-30 21:38:33,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 3025 transitions. [2018-09-30 21:38:33,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 1516 states and 3027 transitions. [2018-09-30 21:38:33,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 3027 transitions. [2018-09-30 21:38:33,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 1517 states and 3029 transitions. [2018-09-30 21:38:33,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1517 states and 3029 transitions. [2018-09-30 21:38:33,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3031 states to 1518 states and 3031 transitions. [2018-09-30 21:38:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 3031 transitions. [2018-09-30 21:38:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 1519 states and 3033 transitions. [2018-09-30 21:38:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 3033 transitions. [2018-09-30 21:38:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 1520 states and 3035 transitions. [2018-09-30 21:38:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 3035 transitions. [2018-09-30 21:38:33,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1521 states and 3037 transitions. [2018-09-30 21:38:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 3037 transitions. [2018-09-30 21:38:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 1522 states and 3039 transitions. [2018-09-30 21:38:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 3039 transitions. [2018-09-30 21:38:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 1523 states and 3041 transitions. [2018-09-30 21:38:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 3041 transitions. [2018-09-30 21:38:33,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,814 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 1524 states and 3043 transitions. [2018-09-30 21:38:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1524 states and 3043 transitions. [2018-09-30 21:38:33,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:33,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:33,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:33,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:33,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:33,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 1525 states and 3045 transitions. [2018-09-30 21:38:33,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 3045 transitions. [2018-09-30 21:38:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,006 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3047 states to 1526 states and 3047 transitions. [2018-09-30 21:38:34,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 3047 transitions. [2018-09-30 21:38:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 1527 states and 3049 transitions. [2018-09-30 21:38:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 3049 transitions. [2018-09-30 21:38:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3051 states to 1528 states and 3051 transitions. [2018-09-30 21:38:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 3051 transitions. [2018-09-30 21:38:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 1529 states and 3053 transitions. [2018-09-30 21:38:34,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 3053 transitions. [2018-09-30 21:38:34,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 1530 states and 3055 transitions. [2018-09-30 21:38:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 3055 transitions. [2018-09-30 21:38:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,435 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 1531 states and 3057 transitions. [2018-09-30 21:38:34,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 3057 transitions. [2018-09-30 21:38:34,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 1532 states and 3059 transitions. [2018-09-30 21:38:34,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 3059 transitions. [2018-09-30 21:38:34,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 1533 states and 3061 transitions. [2018-09-30 21:38:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 3061 transitions. [2018-09-30 21:38:34,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 1534 states and 3063 transitions. [2018-09-30 21:38:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 3063 transitions. [2018-09-30 21:38:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 1535 states and 3065 transitions. [2018-09-30 21:38:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 3065 transitions. [2018-09-30 21:38:34,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 1536 states and 3067 transitions. [2018-09-30 21:38:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states and 3067 transitions. [2018-09-30 21:38:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:34,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:34,961 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:34,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 1537 states and 3069 transitions. [2018-09-30 21:38:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 3069 transitions. [2018-09-30 21:38:35,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 1538 states and 3071 transitions. [2018-09-30 21:38:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 3071 transitions. [2018-09-30 21:38:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3073 states to 1539 states and 3073 transitions. [2018-09-30 21:38:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 3073 transitions. [2018-09-30 21:38:35,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 1540 states and 3075 transitions. [2018-09-30 21:38:35,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 3075 transitions. [2018-09-30 21:38:35,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3077 states to 1541 states and 3077 transitions. [2018-09-30 21:38:35,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1541 states and 3077 transitions. [2018-09-30 21:38:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 1542 states and 3079 transitions. [2018-09-30 21:38:35,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 3079 transitions. [2018-09-30 21:38:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 1543 states and 3081 transitions. [2018-09-30 21:38:35,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 3081 transitions. [2018-09-30 21:38:35,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,578 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 1544 states and 3083 transitions. [2018-09-30 21:38:35,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 3083 transitions. [2018-09-30 21:38:35,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 1545 states and 3085 transitions. [2018-09-30 21:38:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 3085 transitions. [2018-09-30 21:38:35,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 1546 states and 3087 transitions. [2018-09-30 21:38:35,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 3087 transitions. [2018-09-30 21:38:35,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:35,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 1547 states and 3089 transitions. [2018-09-30 21:38:35,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 3089 transitions. [2018-09-30 21:38:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:35,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:35,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:35,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 1548 states and 3091 transitions. [2018-09-30 21:38:36,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 3091 transitions. [2018-09-30 21:38:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,024 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 1549 states and 3093 transitions. [2018-09-30 21:38:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 3093 transitions. [2018-09-30 21:38:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 1550 states and 3095 transitions. [2018-09-30 21:38:36,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 3095 transitions. [2018-09-30 21:38:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 1551 states and 3097 transitions. [2018-09-30 21:38:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 3097 transitions. [2018-09-30 21:38:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 1552 states and 3099 transitions. [2018-09-30 21:38:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 3099 transitions. [2018-09-30 21:38:36,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 1553 states and 3101 transitions. [2018-09-30 21:38:36,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 3101 transitions. [2018-09-30 21:38:36,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 1554 states and 3103 transitions. [2018-09-30 21:38:36,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 3103 transitions. [2018-09-30 21:38:36,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3105 states to 1555 states and 3105 transitions. [2018-09-30 21:38:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 3105 transitions. [2018-09-30 21:38:36,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,645 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 1556 states and 3107 transitions. [2018-09-30 21:38:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 3107 transitions. [2018-09-30 21:38:36,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 1557 states and 3109 transitions. [2018-09-30 21:38:36,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 3109 transitions. [2018-09-30 21:38:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,818 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:36,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3111 states to 1558 states and 3111 transitions. [2018-09-30 21:38:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 3111 transitions. [2018-09-30 21:38:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:36,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:36,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 1559 states and 3113 transitions. [2018-09-30 21:38:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 3113 transitions. [2018-09-30 21:38:37,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 1560 states and 3115 transitions. [2018-09-30 21:38:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 3115 transitions. [2018-09-30 21:38:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 1561 states and 3117 transitions. [2018-09-30 21:38:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 3117 transitions. [2018-09-30 21:38:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 1562 states and 3119 transitions. [2018-09-30 21:38:37,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 3119 transitions. [2018-09-30 21:38:37,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 1563 states and 3121 transitions. [2018-09-30 21:38:37,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 3121 transitions. [2018-09-30 21:38:37,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,406 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 1564 states and 3123 transitions. [2018-09-30 21:38:37,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 3123 transitions. [2018-09-30 21:38:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 1565 states and 3125 transitions. [2018-09-30 21:38:37,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 3125 transitions. [2018-09-30 21:38:37,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 1566 states and 3127 transitions. [2018-09-30 21:38:37,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 3127 transitions. [2018-09-30 21:38:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 1567 states and 3129 transitions. [2018-09-30 21:38:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 3129 transitions. [2018-09-30 21:38:37,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 1568 states and 3131 transitions. [2018-09-30 21:38:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 3131 transitions. [2018-09-30 21:38:37,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,841 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:37,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:37,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 1569 states and 3133 transitions. [2018-09-30 21:38:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 3133 transitions. [2018-09-30 21:38:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:37,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:37,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 1570 states and 3135 transitions. [2018-09-30 21:38:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 3135 transitions. [2018-09-30 21:38:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 1571 states and 3137 transitions. [2018-09-30 21:38:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 3137 transitions. [2018-09-30 21:38:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 1572 states and 3139 transitions. [2018-09-30 21:38:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 3139 transitions. [2018-09-30 21:38:38,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 1573 states and 3141 transitions. [2018-09-30 21:38:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 3141 transitions. [2018-09-30 21:38:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 1574 states and 3143 transitions. [2018-09-30 21:38:38,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 3143 transitions. [2018-09-30 21:38:38,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 1575 states and 3145 transitions. [2018-09-30 21:38:38,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 3145 transitions. [2018-09-30 21:38:38,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 1576 states and 3147 transitions. [2018-09-30 21:38:38,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 3147 transitions. [2018-09-30 21:38:38,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 1577 states and 3149 transitions. [2018-09-30 21:38:38,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 3149 transitions. [2018-09-30 21:38:38,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,647 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 1578 states and 3151 transitions. [2018-09-30 21:38:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 3151 transitions. [2018-09-30 21:38:38,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 1579 states and 3153 transitions. [2018-09-30 21:38:38,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1579 states and 3153 transitions. [2018-09-30 21:38:38,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 1580 states and 3155 transitions. [2018-09-30 21:38:38,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 3155 transitions. [2018-09-30 21:38:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:38,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:38,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3157 states to 1581 states and 3157 transitions. [2018-09-30 21:38:38,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 3157 transitions. [2018-09-30 21:38:38,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:38,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:38,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 1582 states and 3159 transitions. [2018-09-30 21:38:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 3159 transitions. [2018-09-30 21:38:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 1583 states and 3161 transitions. [2018-09-30 21:38:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 3161 transitions. [2018-09-30 21:38:39,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 1584 states and 3163 transitions. [2018-09-30 21:38:39,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 3163 transitions. [2018-09-30 21:38:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3165 states to 1585 states and 3165 transitions. [2018-09-30 21:38:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 3165 transitions. [2018-09-30 21:38:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 1586 states and 3167 transitions. [2018-09-30 21:38:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 1586 states and 3167 transitions. [2018-09-30 21:38:39,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 1587 states and 3169 transitions. [2018-09-30 21:38:39,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1587 states and 3169 transitions. [2018-09-30 21:38:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,530 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 1588 states and 3171 transitions. [2018-09-30 21:38:39,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 3171 transitions. [2018-09-30 21:38:39,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,621 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 1589 states and 3173 transitions. [2018-09-30 21:38:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 3173 transitions. [2018-09-30 21:38:39,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3175 states to 1590 states and 3175 transitions. [2018-09-30 21:38:39,801 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 3175 transitions. [2018-09-30 21:38:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 1591 states and 3177 transitions. [2018-09-30 21:38:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 3177 transitions. [2018-09-30 21:38:39,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:39,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:39,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 1592 states and 3179 transitions. [2018-09-30 21:38:39,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 3179 transitions. [2018-09-30 21:38:39,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:39,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:39,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 1593 states and 3181 transitions. [2018-09-30 21:38:40,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 3181 transitions. [2018-09-30 21:38:40,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,076 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3183 states to 1594 states and 3183 transitions. [2018-09-30 21:38:40,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 3183 transitions. [2018-09-30 21:38:40,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 1595 states and 3185 transitions. [2018-09-30 21:38:40,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 3185 transitions. [2018-09-30 21:38:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,246 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 1596 states and 3187 transitions. [2018-09-30 21:38:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 3187 transitions. [2018-09-30 21:38:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 1597 states and 3189 transitions. [2018-09-30 21:38:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 3189 transitions. [2018-09-30 21:38:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,431 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 1598 states and 3191 transitions. [2018-09-30 21:38:40,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 3191 transitions. [2018-09-30 21:38:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 1599 states and 3193 transitions. [2018-09-30 21:38:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 3193 transitions. [2018-09-30 21:38:40,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 1600 states and 3195 transitions. [2018-09-30 21:38:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 3195 transitions. [2018-09-30 21:38:40,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 1601 states and 3197 transitions. [2018-09-30 21:38:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1601 states and 3197 transitions. [2018-09-30 21:38:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 1602 states and 3199 transitions. [2018-09-30 21:38:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 3199 transitions. [2018-09-30 21:38:40,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 1603 states and 3201 transitions. [2018-09-30 21:38:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 3201 transitions. [2018-09-30 21:38:40,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:40,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:40,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:40,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 1604 states and 3203 transitions. [2018-09-30 21:38:41,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 3203 transitions. [2018-09-30 21:38:41,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,043 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 1605 states and 3205 transitions. [2018-09-30 21:38:41,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 3205 transitions. [2018-09-30 21:38:41,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 1606 states and 3207 transitions. [2018-09-30 21:38:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 3207 transitions. [2018-09-30 21:38:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3209 states to 1607 states and 3209 transitions. [2018-09-30 21:38:41,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 3209 transitions. [2018-09-30 21:38:41,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 1608 states and 3211 transitions. [2018-09-30 21:38:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1608 states and 3211 transitions. [2018-09-30 21:38:41,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1609 states and 3213 transitions. [2018-09-30 21:38:41,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 3213 transitions. [2018-09-30 21:38:41,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 1610 states and 3215 transitions. [2018-09-30 21:38:41,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 3215 transitions. [2018-09-30 21:38:41,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 1611 states and 3217 transitions. [2018-09-30 21:38:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 3217 transitions. [2018-09-30 21:38:41,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3219 states to 1612 states and 3219 transitions. [2018-09-30 21:38:41,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 3219 transitions. [2018-09-30 21:38:41,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3221 states to 1613 states and 3221 transitions. [2018-09-30 21:38:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 3221 transitions. [2018-09-30 21:38:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:41,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:41,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 1614 states and 3223 transitions. [2018-09-30 21:38:41,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1614 states and 3223 transitions. [2018-09-30 21:38:41,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:41,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:41,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:41,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 1615 states and 3225 transitions. [2018-09-30 21:38:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 3225 transitions. [2018-09-30 21:38:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 1616 states and 3227 transitions. [2018-09-30 21:38:42,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 3227 transitions. [2018-09-30 21:38:42,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 1617 states and 3229 transitions. [2018-09-30 21:38:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 3229 transitions. [2018-09-30 21:38:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,238 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1618 states and 3231 transitions. [2018-09-30 21:38:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 3231 transitions. [2018-09-30 21:38:42,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 1619 states and 3233 transitions. [2018-09-30 21:38:42,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 3233 transitions. [2018-09-30 21:38:42,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3235 states to 1620 states and 3235 transitions. [2018-09-30 21:38:42,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 3235 transitions. [2018-09-30 21:38:42,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3237 states to 1621 states and 3237 transitions. [2018-09-30 21:38:42,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 3237 transitions. [2018-09-30 21:38:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 1622 states and 3239 transitions. [2018-09-30 21:38:42,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1622 states and 3239 transitions. [2018-09-30 21:38:42,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,714 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 1623 states and 3241 transitions. [2018-09-30 21:38:42,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 3241 transitions. [2018-09-30 21:38:42,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3243 states to 1624 states and 3243 transitions. [2018-09-30 21:38:42,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 3243 transitions. [2018-09-30 21:38:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:42,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:42,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 1625 states and 3245 transitions. [2018-09-30 21:38:43,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 3245 transitions. [2018-09-30 21:38:43,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3247 states to 1626 states and 3247 transitions. [2018-09-30 21:38:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 3247 transitions. [2018-09-30 21:38:43,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 1627 states and 3249 transitions. [2018-09-30 21:38:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 3249 transitions. [2018-09-30 21:38:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,289 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 1628 states and 3251 transitions. [2018-09-30 21:38:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 3251 transitions. [2018-09-30 21:38:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 1629 states and 3253 transitions. [2018-09-30 21:38:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1629 states and 3253 transitions. [2018-09-30 21:38:43,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 1630 states and 3255 transitions. [2018-09-30 21:38:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 3255 transitions. [2018-09-30 21:38:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 1631 states and 3257 transitions. [2018-09-30 21:38:43,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 3257 transitions. [2018-09-30 21:38:43,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 1632 states and 3259 transitions. [2018-09-30 21:38:43,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 3259 transitions. [2018-09-30 21:38:43,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3261 states to 1633 states and 3261 transitions. [2018-09-30 21:38:43,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1633 states and 3261 transitions. [2018-09-30 21:38:43,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:43,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:43,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3263 states to 1634 states and 3263 transitions. [2018-09-30 21:38:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 3263 transitions. [2018-09-30 21:38:43,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:43,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:43,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:43,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 1635 states and 3265 transitions. [2018-09-30 21:38:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 3265 transitions. [2018-09-30 21:38:44,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 1636 states and 3267 transitions. [2018-09-30 21:38:44,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 3267 transitions. [2018-09-30 21:38:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3269 states to 1637 states and 3269 transitions. [2018-09-30 21:38:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1637 states and 3269 transitions. [2018-09-30 21:38:44,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 1638 states and 3271 transitions. [2018-09-30 21:38:44,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 3271 transitions. [2018-09-30 21:38:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,294 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 1639 states and 3273 transitions. [2018-09-30 21:38:44,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 3273 transitions. [2018-09-30 21:38:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 1640 states and 3275 transitions. [2018-09-30 21:38:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 3275 transitions. [2018-09-30 21:38:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 1641 states and 3277 transitions. [2018-09-30 21:38:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 3277 transitions. [2018-09-30 21:38:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3279 states to 1642 states and 3279 transitions. [2018-09-30 21:38:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 3279 transitions. [2018-09-30 21:38:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 1643 states and 3281 transitions. [2018-09-30 21:38:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 3281 transitions. [2018-09-30 21:38:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 1644 states and 3283 transitions. [2018-09-30 21:38:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 3283 transitions. [2018-09-30 21:38:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:44,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3285 states to 1645 states and 3285 transitions. [2018-09-30 21:38:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3285 transitions. [2018-09-30 21:38:44,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:44,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:44,938 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 1646 states and 3287 transitions. [2018-09-30 21:38:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 3287 transitions. [2018-09-30 21:38:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3289 states to 1647 states and 3289 transitions. [2018-09-30 21:38:45,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 3289 transitions. [2018-09-30 21:38:45,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 1648 states and 3291 transitions. [2018-09-30 21:38:45,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 3291 transitions. [2018-09-30 21:38:45,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,211 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 1649 states and 3293 transitions. [2018-09-30 21:38:45,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 3293 transitions. [2018-09-30 21:38:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 1650 states and 3295 transitions. [2018-09-30 21:38:45,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 3295 transitions. [2018-09-30 21:38:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3297 states to 1651 states and 3297 transitions. [2018-09-30 21:38:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 3297 transitions. [2018-09-30 21:38:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,491 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,501 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3299 states to 1652 states and 3299 transitions. [2018-09-30 21:38:45,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 3299 transitions. [2018-09-30 21:38:45,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 1653 states and 3301 transitions. [2018-09-30 21:38:45,675 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 3301 transitions. [2018-09-30 21:38:45,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 1654 states and 3303 transitions. [2018-09-30 21:38:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 3303 transitions. [2018-09-30 21:38:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 1655 states and 3305 transitions. [2018-09-30 21:38:45,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 3305 transitions. [2018-09-30 21:38:45,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,860 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3307 states to 1656 states and 3307 transitions. [2018-09-30 21:38:45,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3307 transitions. [2018-09-30 21:38:45,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:45,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:45,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3309 states to 1657 states and 3309 transitions. [2018-09-30 21:38:46,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 3309 transitions. [2018-09-30 21:38:46,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 1658 states and 3311 transitions. [2018-09-30 21:38:46,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 3311 transitions. [2018-09-30 21:38:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3313 states to 1659 states and 3313 transitions. [2018-09-30 21:38:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 3313 transitions. [2018-09-30 21:38:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3315 states to 1660 states and 3315 transitions. [2018-09-30 21:38:46,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 3315 transitions. [2018-09-30 21:38:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 1661 states and 3317 transitions. [2018-09-30 21:38:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 3317 transitions. [2018-09-30 21:38:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 1662 states and 3319 transitions. [2018-09-30 21:38:46,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1662 states and 3319 transitions. [2018-09-30 21:38:46,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 1663 states and 3321 transitions. [2018-09-30 21:38:46,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 3321 transitions. [2018-09-30 21:38:46,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 1664 states and 3323 transitions. [2018-09-30 21:38:46,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1664 states and 3323 transitions. [2018-09-30 21:38:46,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 1665 states and 3325 transitions. [2018-09-30 21:38:46,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 3325 transitions. [2018-09-30 21:38:46,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 1666 states and 3327 transitions. [2018-09-30 21:38:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1666 states and 3327 transitions. [2018-09-30 21:38:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:46,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:46,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:46,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 1667 states and 3329 transitions. [2018-09-30 21:38:46,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 3329 transitions. [2018-09-30 21:38:46,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:46,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:46,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3331 states to 1668 states and 3331 transitions. [2018-09-30 21:38:47,148 INFO L276 IsEmpty]: Start isEmpty. Operand 1668 states and 3331 transitions. [2018-09-30 21:38:47,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3333 states to 1669 states and 3333 transitions. [2018-09-30 21:38:47,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1669 states and 3333 transitions. [2018-09-30 21:38:47,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3335 states to 1670 states and 3335 transitions. [2018-09-30 21:38:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 3335 transitions. [2018-09-30 21:38:47,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3337 states to 1671 states and 3337 transitions. [2018-09-30 21:38:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 3337 transitions. [2018-09-30 21:38:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 1672 states and 3339 transitions. [2018-09-30 21:38:47,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 3339 transitions. [2018-09-30 21:38:47,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 1673 states and 3341 transitions. [2018-09-30 21:38:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 3341 transitions. [2018-09-30 21:38:47,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3343 states to 1674 states and 3343 transitions. [2018-09-30 21:38:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 3343 transitions. [2018-09-30 21:38:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 1675 states and 3345 transitions. [2018-09-30 21:38:47,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3345 transitions. [2018-09-30 21:38:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 1676 states and 3347 transitions. [2018-09-30 21:38:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 3347 transitions. [2018-09-30 21:38:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:47,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:47,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 1677 states and 3349 transitions. [2018-09-30 21:38:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 3349 transitions. [2018-09-30 21:38:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3351 states to 1678 states and 3351 transitions. [2018-09-30 21:38:48,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 3351 transitions. [2018-09-30 21:38:48,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,131 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 1679 states and 3353 transitions. [2018-09-30 21:38:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 3353 transitions. [2018-09-30 21:38:48,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 1680 states and 3355 transitions. [2018-09-30 21:38:48,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 3355 transitions. [2018-09-30 21:38:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,318 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 1681 states and 3357 transitions. [2018-09-30 21:38:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3357 transitions. [2018-09-30 21:38:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3359 states to 1682 states and 3359 transitions. [2018-09-30 21:38:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 3359 transitions. [2018-09-30 21:38:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3361 states to 1683 states and 3361 transitions. [2018-09-30 21:38:48,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 3361 transitions. [2018-09-30 21:38:48,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 1684 states and 3363 transitions. [2018-09-30 21:38:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 3363 transitions. [2018-09-30 21:38:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3365 states to 1685 states and 3365 transitions. [2018-09-30 21:38:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 3365 transitions. [2018-09-30 21:38:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 1686 states and 3367 transitions. [2018-09-30 21:38:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 3367 transitions. [2018-09-30 21:38:48,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:48,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 1687 states and 3369 transitions. [2018-09-30 21:38:48,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 3369 transitions. [2018-09-30 21:38:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:48,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:48,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3371 states to 1688 states and 3371 transitions. [2018-09-30 21:38:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 3371 transitions. [2018-09-30 21:38:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,085 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3373 states to 1689 states and 3373 transitions. [2018-09-30 21:38:49,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 3373 transitions. [2018-09-30 21:38:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 1690 states and 3375 transitions. [2018-09-30 21:38:49,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 3375 transitions. [2018-09-30 21:38:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3377 states to 1691 states and 3377 transitions. [2018-09-30 21:38:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 3377 transitions. [2018-09-30 21:38:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3379 states to 1692 states and 3379 transitions. [2018-09-30 21:38:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 3379 transitions. [2018-09-30 21:38:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 1693 states and 3381 transitions. [2018-09-30 21:38:49,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 3381 transitions. [2018-09-30 21:38:49,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 1694 states and 3383 transitions. [2018-09-30 21:38:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 3383 transitions. [2018-09-30 21:38:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 1695 states and 3385 transitions. [2018-09-30 21:38:49,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 3385 transitions. [2018-09-30 21:38:49,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:49,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3387 states to 1696 states and 3387 transitions. [2018-09-30 21:38:49,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 3387 transitions. [2018-09-30 21:38:49,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:49,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:49,956 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:49,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3389 states to 1697 states and 3389 transitions. [2018-09-30 21:38:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 3389 transitions. [2018-09-30 21:38:50,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3391 states to 1698 states and 3391 transitions. [2018-09-30 21:38:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 3391 transitions. [2018-09-30 21:38:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,159 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 1699 states and 3393 transitions. [2018-09-30 21:38:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1699 states and 3393 transitions. [2018-09-30 21:38:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 1700 states and 3395 transitions. [2018-09-30 21:38:50,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 3395 transitions. [2018-09-30 21:38:50,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,338 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3397 states to 1701 states and 3397 transitions. [2018-09-30 21:38:50,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 3397 transitions. [2018-09-30 21:38:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1702 states and 3399 transitions. [2018-09-30 21:38:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 3399 transitions. [2018-09-30 21:38:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3401 states to 1703 states and 3401 transitions. [2018-09-30 21:38:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 3401 transitions. [2018-09-30 21:38:50,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 1704 states and 3403 transitions. [2018-09-30 21:38:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 3403 transitions. [2018-09-30 21:38:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 1705 states and 3405 transitions. [2018-09-30 21:38:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 3405 transitions. [2018-09-30 21:38:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 1706 states and 3407 transitions. [2018-09-30 21:38:50,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3407 transitions. [2018-09-30 21:38:50,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:50,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:50,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1707 states and 3409 transitions. [2018-09-30 21:38:50,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 3409 transitions. [2018-09-30 21:38:50,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:50,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:50,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 1708 states and 3411 transitions. [2018-09-30 21:38:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 3411 transitions. [2018-09-30 21:38:51,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 1709 states and 3413 transitions. [2018-09-30 21:38:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 3413 transitions. [2018-09-30 21:38:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 1710 states and 3415 transitions. [2018-09-30 21:38:51,240 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 3415 transitions. [2018-09-30 21:38:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1711 states and 3417 transitions. [2018-09-30 21:38:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 3417 transitions. [2018-09-30 21:38:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,352 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3419 states to 1712 states and 3419 transitions. [2018-09-30 21:38:51,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 3419 transitions. [2018-09-30 21:38:51,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1713 states and 3421 transitions. [2018-09-30 21:38:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 3421 transitions. [2018-09-30 21:38:51,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3423 states to 1714 states and 3423 transitions. [2018-09-30 21:38:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 3423 transitions. [2018-09-30 21:38:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 1715 states and 3425 transitions. [2018-09-30 21:38:51,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 3425 transitions. [2018-09-30 21:38:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 1716 states and 3427 transitions. [2018-09-30 21:38:51,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 3427 transitions. [2018-09-30 21:38:51,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3429 states to 1717 states and 3429 transitions. [2018-09-30 21:38:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 3429 transitions. [2018-09-30 21:38:51,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:51,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:51,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:51,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 1718 states and 3431 transitions. [2018-09-30 21:38:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 3431 transitions. [2018-09-30 21:38:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3433 states to 1719 states and 3433 transitions. [2018-09-30 21:38:52,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 3433 transitions. [2018-09-30 21:38:52,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1720 states and 3435 transitions. [2018-09-30 21:38:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 3435 transitions. [2018-09-30 21:38:52,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 1721 states and 3437 transitions. [2018-09-30 21:38:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 3437 transitions. [2018-09-30 21:38:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 1722 states and 3439 transitions. [2018-09-30 21:38:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 3439 transitions. [2018-09-30 21:38:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 1723 states and 3441 transitions. [2018-09-30 21:38:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 3441 transitions. [2018-09-30 21:38:52,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 1724 states and 3443 transitions. [2018-09-30 21:38:52,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 3443 transitions. [2018-09-30 21:38:52,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 1725 states and 3445 transitions. [2018-09-30 21:38:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 3445 transitions. [2018-09-30 21:38:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3447 states to 1726 states and 3447 transitions. [2018-09-30 21:38:52,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1726 states and 3447 transitions. [2018-09-30 21:38:52,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3449 states to 1727 states and 3449 transitions. [2018-09-30 21:38:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 3449 transitions. [2018-09-30 21:38:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:52,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3451 states to 1728 states and 3451 transitions. [2018-09-30 21:38:52,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 3451 transitions. [2018-09-30 21:38:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:52,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:52,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 1729 states and 3453 transitions. [2018-09-30 21:38:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 3453 transitions. [2018-09-30 21:38:53,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3455 states to 1730 states and 3455 transitions. [2018-09-30 21:38:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 3455 transitions. [2018-09-30 21:38:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3457 states to 1731 states and 3457 transitions. [2018-09-30 21:38:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 3457 transitions. [2018-09-30 21:38:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 1732 states and 3459 transitions. [2018-09-30 21:38:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 3459 transitions. [2018-09-30 21:38:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 1733 states and 3461 transitions. [2018-09-30 21:38:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 3461 transitions. [2018-09-30 21:38:53,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,473 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 1734 states and 3463 transitions. [2018-09-30 21:38:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3463 transitions. [2018-09-30 21:38:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,565 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3465 states to 1735 states and 3465 transitions. [2018-09-30 21:38:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 3465 transitions. [2018-09-30 21:38:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 1736 states and 3467 transitions. [2018-09-30 21:38:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 3467 transitions. [2018-09-30 21:38:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,753 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 1737 states and 3469 transitions. [2018-09-30 21:38:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3469 transitions. [2018-09-30 21:38:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 1738 states and 3471 transitions. [2018-09-30 21:38:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1738 states and 3471 transitions. [2018-09-30 21:38:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:53,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:53,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:53,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 1739 states and 3473 transitions. [2018-09-30 21:38:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 3473 transitions. [2018-09-30 21:38:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 1740 states and 3475 transitions. [2018-09-30 21:38:54,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 3475 transitions. [2018-09-30 21:38:54,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 1741 states and 3477 transitions. [2018-09-30 21:38:54,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3477 transitions. [2018-09-30 21:38:54,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3479 states to 1742 states and 3479 transitions. [2018-09-30 21:38:54,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3479 transitions. [2018-09-30 21:38:54,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1743 states and 3481 transitions. [2018-09-30 21:38:54,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 3481 transitions. [2018-09-30 21:38:54,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3483 states to 1744 states and 3483 transitions. [2018-09-30 21:38:54,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 3483 transitions. [2018-09-30 21:38:54,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3485 states to 1745 states and 3485 transitions. [2018-09-30 21:38:54,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 3485 transitions. [2018-09-30 21:38:54,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 1746 states and 3487 transitions. [2018-09-30 21:38:54,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 3487 transitions. [2018-09-30 21:38:54,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 1747 states and 3489 transitions. [2018-09-30 21:38:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 3489 transitions. [2018-09-30 21:38:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3491 states to 1748 states and 3491 transitions. [2018-09-30 21:38:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 3491 transitions. [2018-09-30 21:38:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:54,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:54,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 1749 states and 3493 transitions. [2018-09-30 21:38:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 3493 transitions. [2018-09-30 21:38:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:54,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:54,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:54,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 1750 states and 3495 transitions. [2018-09-30 21:38:55,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 3495 transitions. [2018-09-30 21:38:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 1751 states and 3497 transitions. [2018-09-30 21:38:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 3497 transitions. [2018-09-30 21:38:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3499 states to 1752 states and 3499 transitions. [2018-09-30 21:38:55,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 3499 transitions. [2018-09-30 21:38:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 1753 states and 3501 transitions. [2018-09-30 21:38:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 3501 transitions. [2018-09-30 21:38:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1754 states and 3503 transitions. [2018-09-30 21:38:55,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 3503 transitions. [2018-09-30 21:38:55,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 1755 states and 3505 transitions. [2018-09-30 21:38:55,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3505 transitions. [2018-09-30 21:38:55,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3507 states to 1756 states and 3507 transitions. [2018-09-30 21:38:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 3507 transitions. [2018-09-30 21:38:55,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,642 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 1757 states and 3509 transitions. [2018-09-30 21:38:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 3509 transitions. [2018-09-30 21:38:55,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3511 states to 1758 states and 3511 transitions. [2018-09-30 21:38:55,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3511 transitions. [2018-09-30 21:38:55,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,834 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:55,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:55,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3513 states to 1759 states and 3513 transitions. [2018-09-30 21:38:55,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 3513 transitions. [2018-09-30 21:38:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:55,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:55,927 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3515 states to 1760 states and 3515 transitions. [2018-09-30 21:38:56,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3515 transitions. [2018-09-30 21:38:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 1761 states and 3517 transitions. [2018-09-30 21:38:56,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 3517 transitions. [2018-09-30 21:38:56,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 1762 states and 3519 transitions. [2018-09-30 21:38:56,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3519 transitions. [2018-09-30 21:38:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3521 states to 1763 states and 3521 transitions. [2018-09-30 21:38:56,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3521 transitions. [2018-09-30 21:38:56,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 1764 states and 3523 transitions. [2018-09-30 21:38:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3523 transitions. [2018-09-30 21:38:56,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3525 states to 1765 states and 3525 transitions. [2018-09-30 21:38:56,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 3525 transitions. [2018-09-30 21:38:56,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 1766 states and 3527 transitions. [2018-09-30 21:38:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 3527 transitions. [2018-09-30 21:38:56,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,598 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 1767 states and 3529 transitions. [2018-09-30 21:38:56,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 3529 transitions. [2018-09-30 21:38:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3531 states to 1768 states and 3531 transitions. [2018-09-30 21:38:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 3531 transitions. [2018-09-30 21:38:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 1769 states and 3533 transitions. [2018-09-30 21:38:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 3533 transitions. [2018-09-30 21:38:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:56,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:56,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3535 states to 1770 states and 3535 transitions. [2018-09-30 21:38:56,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 3535 transitions. [2018-09-30 21:38:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:56,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3537 states to 1771 states and 3537 transitions. [2018-09-30 21:38:57,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 3537 transitions. [2018-09-30 21:38:57,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3539 states to 1772 states and 3539 transitions. [2018-09-30 21:38:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 3539 transitions. [2018-09-30 21:38:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3541 states to 1773 states and 3541 transitions. [2018-09-30 21:38:57,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 3541 transitions. [2018-09-30 21:38:57,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 1774 states and 3543 transitions. [2018-09-30 21:38:57,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3543 transitions. [2018-09-30 21:38:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1775 states and 3545 transitions. [2018-09-30 21:38:57,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 3545 transitions. [2018-09-30 21:38:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 1776 states and 3547 transitions. [2018-09-30 21:38:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 3547 transitions. [2018-09-30 21:38:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1777 states and 3549 transitions. [2018-09-30 21:38:57,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 3549 transitions. [2018-09-30 21:38:57,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 1778 states and 3551 transitions. [2018-09-30 21:38:57,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 3551 transitions. [2018-09-30 21:38:57,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 1779 states and 3553 transitions. [2018-09-30 21:38:57,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3553 transitions. [2018-09-30 21:38:57,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:57,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:57,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 1780 states and 3555 transitions. [2018-09-30 21:38:58,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3555 transitions. [2018-09-30 21:38:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 1781 states and 3557 transitions. [2018-09-30 21:38:58,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 3557 transitions. [2018-09-30 21:38:58,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3559 states to 1782 states and 3559 transitions. [2018-09-30 21:38:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 3559 transitions. [2018-09-30 21:38:58,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3561 states to 1783 states and 3561 transitions. [2018-09-30 21:38:58,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 3561 transitions. [2018-09-30 21:38:58,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 1784 states and 3563 transitions. [2018-09-30 21:38:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 3563 transitions. [2018-09-30 21:38:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3565 states to 1785 states and 3565 transitions. [2018-09-30 21:38:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 3565 transitions. [2018-09-30 21:38:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 1786 states and 3567 transitions. [2018-09-30 21:38:58,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 3567 transitions. [2018-09-30 21:38:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 1787 states and 3569 transitions. [2018-09-30 21:38:58,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 3569 transitions. [2018-09-30 21:38:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3571 states to 1788 states and 3571 transitions. [2018-09-30 21:38:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3571 transitions. [2018-09-30 21:38:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 1789 states and 3573 transitions. [2018-09-30 21:38:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 3573 transitions. [2018-09-30 21:38:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:58,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 1790 states and 3575 transitions. [2018-09-30 21:38:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 3575 transitions. [2018-09-30 21:38:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:58,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:58,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3577 states to 1791 states and 3577 transitions. [2018-09-30 21:38:59,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 3577 transitions. [2018-09-30 21:38:59,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3579 states to 1792 states and 3579 transitions. [2018-09-30 21:38:59,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 3579 transitions. [2018-09-30 21:38:59,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3581 states to 1793 states and 3581 transitions. [2018-09-30 21:38:59,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3581 transitions. [2018-09-30 21:38:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 1794 states and 3583 transitions. [2018-09-30 21:38:59,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 3583 transitions. [2018-09-30 21:38:59,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,392 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3585 states to 1795 states and 3585 transitions. [2018-09-30 21:38:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 3585 transitions. [2018-09-30 21:38:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 1796 states and 3587 transitions. [2018-09-30 21:38:59,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 3587 transitions. [2018-09-30 21:38:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,589 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 1797 states and 3589 transitions. [2018-09-30 21:38:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 3589 transitions. [2018-09-30 21:38:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:38:59,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:38:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3591 states to 1798 states and 3591 transitions. [2018-09-30 21:38:59,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 3591 transitions. [2018-09-30 21:38:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:38:59,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:38:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:38:59,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:38:59,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 1799 states and 3593 transitions. [2018-09-30 21:39:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 3593 transitions. [2018-09-30 21:39:00,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3595 states to 1800 states and 3595 transitions. [2018-09-30 21:39:00,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 3595 transitions. [2018-09-30 21:39:00,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3597 states to 1801 states and 3597 transitions. [2018-09-30 21:39:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 3597 transitions. [2018-09-30 21:39:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3599 states to 1802 states and 3599 transitions. [2018-09-30 21:39:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 3599 transitions. [2018-09-30 21:39:00,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 1803 states and 3601 transitions. [2018-09-30 21:39:00,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 3601 transitions. [2018-09-30 21:39:00,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 1804 states and 3603 transitions. [2018-09-30 21:39:00,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 3603 transitions. [2018-09-30 21:39:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3605 states to 1805 states and 3605 transitions. [2018-09-30 21:39:00,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 3605 transitions. [2018-09-30 21:39:00,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3607 states to 1806 states and 3607 transitions. [2018-09-30 21:39:00,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 3607 transitions. [2018-09-30 21:39:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3609 states to 1807 states and 3609 transitions. [2018-09-30 21:39:00,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 3609 transitions. [2018-09-30 21:39:00,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:00,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:00,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3611 states to 1808 states and 3611 transitions. [2018-09-30 21:39:00,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 3611 transitions. [2018-09-30 21:39:00,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:00,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:00,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:00,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 1809 states and 3613 transitions. [2018-09-30 21:39:01,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 3613 transitions. [2018-09-30 21:39:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,090 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 1810 states and 3615 transitions. [2018-09-30 21:39:01,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 3615 transitions. [2018-09-30 21:39:01,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 1811 states and 3617 transitions. [2018-09-30 21:39:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 3617 transitions. [2018-09-30 21:39:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 1812 states and 3619 transitions. [2018-09-30 21:39:01,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 3619 transitions. [2018-09-30 21:39:01,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 1813 states and 3621 transitions. [2018-09-30 21:39:01,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3621 transitions. [2018-09-30 21:39:01,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 1814 states and 3623 transitions. [2018-09-30 21:39:01,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 3623 transitions. [2018-09-30 21:39:01,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,576 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3625 states to 1815 states and 3625 transitions. [2018-09-30 21:39:01,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3625 transitions. [2018-09-30 21:39:01,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 1816 states and 3627 transitions. [2018-09-30 21:39:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 3627 transitions. [2018-09-30 21:39:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 1817 states and 3629 transitions. [2018-09-30 21:39:01,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3629 transitions. [2018-09-30 21:39:01,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:01,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:01,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3631 states to 1818 states and 3631 transitions. [2018-09-30 21:39:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 3631 transitions. [2018-09-30 21:39:01,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:01,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:01,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:01,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 1819 states and 3633 transitions. [2018-09-30 21:39:02,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3633 transitions. [2018-09-30 21:39:02,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3635 states to 1820 states and 3635 transitions. [2018-09-30 21:39:02,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 3635 transitions. [2018-09-30 21:39:02,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 1821 states and 3637 transitions. [2018-09-30 21:39:02,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 3637 transitions. [2018-09-30 21:39:02,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 1822 states and 3639 transitions. [2018-09-30 21:39:02,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 3639 transitions. [2018-09-30 21:39:02,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 1823 states and 3641 transitions. [2018-09-30 21:39:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 3641 transitions. [2018-09-30 21:39:02,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,701 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 1824 states and 3643 transitions. [2018-09-30 21:39:02,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 3643 transitions. [2018-09-30 21:39:02,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,802 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 1825 states and 3645 transitions. [2018-09-30 21:39:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 3645 transitions. [2018-09-30 21:39:02,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:02,905 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:02,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:02,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 1826 states and 3647 transitions. [2018-09-30 21:39:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 3647 transitions. [2018-09-30 21:39:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:02,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1827 states and 3649 transitions. [2018-09-30 21:39:03,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 3649 transitions. [2018-09-30 21:39:03,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 1828 states and 3651 transitions. [2018-09-30 21:39:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 3651 transitions. [2018-09-30 21:39:03,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 1829 states and 3653 transitions. [2018-09-30 21:39:03,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1829 states and 3653 transitions. [2018-09-30 21:39:03,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3655 states to 1830 states and 3655 transitions. [2018-09-30 21:39:03,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 3655 transitions. [2018-09-30 21:39:03,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3657 states to 1831 states and 3657 transitions. [2018-09-30 21:39:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 3657 transitions. [2018-09-30 21:39:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 1832 states and 3659 transitions. [2018-09-30 21:39:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 3659 transitions. [2018-09-30 21:39:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 1833 states and 3661 transitions. [2018-09-30 21:39:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 3661 transitions. [2018-09-30 21:39:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 1834 states and 3663 transitions. [2018-09-30 21:39:03,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 3663 transitions. [2018-09-30 21:39:03,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3665 states to 1835 states and 3665 transitions. [2018-09-30 21:39:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 3665 transitions. [2018-09-30 21:39:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:03,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3667 states to 1836 states and 3667 transitions. [2018-09-30 21:39:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 3667 transitions. [2018-09-30 21:39:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:03,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:03,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3669 states to 1837 states and 3669 transitions. [2018-09-30 21:39:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 3669 transitions. [2018-09-30 21:39:04,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3671 states to 1838 states and 3671 transitions. [2018-09-30 21:39:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3671 transitions. [2018-09-30 21:39:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3673 states to 1839 states and 3673 transitions. [2018-09-30 21:39:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3673 transitions. [2018-09-30 21:39:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3675 states to 1840 states and 3675 transitions. [2018-09-30 21:39:04,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 3675 transitions. [2018-09-30 21:39:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3677 states to 1841 states and 3677 transitions. [2018-09-30 21:39:04,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 3677 transitions. [2018-09-30 21:39:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3679 states to 1842 states and 3679 transitions. [2018-09-30 21:39:04,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3679 transitions. [2018-09-30 21:39:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3681 states to 1843 states and 3681 transitions. [2018-09-30 21:39:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3681 transitions. [2018-09-30 21:39:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 1844 states and 3683 transitions. [2018-09-30 21:39:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1844 states and 3683 transitions. [2018-09-30 21:39:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:04,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 1845 states and 3685 transitions. [2018-09-30 21:39:04,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3685 transitions. [2018-09-30 21:39:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:04,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:04,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3687 states to 1846 states and 3687 transitions. [2018-09-30 21:39:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3687 transitions. [2018-09-30 21:39:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1847 states and 3689 transitions. [2018-09-30 21:39:05,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 3689 transitions. [2018-09-30 21:39:05,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3691 states to 1848 states and 3691 transitions. [2018-09-30 21:39:05,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3691 transitions. [2018-09-30 21:39:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,231 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3693 states to 1849 states and 3693 transitions. [2018-09-30 21:39:05,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3693 transitions. [2018-09-30 21:39:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3695 states to 1850 states and 3695 transitions. [2018-09-30 21:39:05,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3695 transitions. [2018-09-30 21:39:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3697 states to 1851 states and 3697 transitions. [2018-09-30 21:39:05,519 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 3697 transitions. [2018-09-30 21:39:05,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 1852 states and 3699 transitions. [2018-09-30 21:39:05,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3699 transitions. [2018-09-30 21:39:05,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3701 states to 1853 states and 3701 transitions. [2018-09-30 21:39:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 3701 transitions. [2018-09-30 21:39:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 1854 states and 3703 transitions. [2018-09-30 21:39:05,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 3703 transitions. [2018-09-30 21:39:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 1855 states and 3705 transitions. [2018-09-30 21:39:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 3705 transitions. [2018-09-30 21:39:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:05,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:05,917 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 1856 states and 3707 transitions. [2018-09-30 21:39:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3707 transitions. [2018-09-30 21:39:06,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 1857 states and 3709 transitions. [2018-09-30 21:39:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 3709 transitions. [2018-09-30 21:39:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3711 states to 1858 states and 3711 transitions. [2018-09-30 21:39:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 3711 transitions. [2018-09-30 21:39:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 1859 states and 3713 transitions. [2018-09-30 21:39:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 3713 transitions. [2018-09-30 21:39:06,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3715 states to 1860 states and 3715 transitions. [2018-09-30 21:39:06,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 3715 transitions. [2018-09-30 21:39:06,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3717 states to 1861 states and 3717 transitions. [2018-09-30 21:39:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 3717 transitions. [2018-09-30 21:39:06,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 1862 states and 3719 transitions. [2018-09-30 21:39:06,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 3719 transitions. [2018-09-30 21:39:06,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1863 states and 3721 transitions. [2018-09-30 21:39:06,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 3721 transitions. [2018-09-30 21:39:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3723 states to 1864 states and 3723 transitions. [2018-09-30 21:39:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3723 transitions. [2018-09-30 21:39:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3725 states to 1865 states and 3725 transitions. [2018-09-30 21:39:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3725 transitions. [2018-09-30 21:39:06,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3727 states to 1866 states and 3727 transitions. [2018-09-30 21:39:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 3727 transitions. [2018-09-30 21:39:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:06,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:06,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:06,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 1867 states and 3729 transitions. [2018-09-30 21:39:07,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 3729 transitions. [2018-09-30 21:39:07,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3731 states to 1868 states and 3731 transitions. [2018-09-30 21:39:07,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3731 transitions. [2018-09-30 21:39:07,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 1869 states and 3733 transitions. [2018-09-30 21:39:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3733 transitions. [2018-09-30 21:39:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3735 states to 1870 states and 3735 transitions. [2018-09-30 21:39:07,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 3735 transitions. [2018-09-30 21:39:07,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,390 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3737 states to 1871 states and 3737 transitions. [2018-09-30 21:39:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 1871 states and 3737 transitions. [2018-09-30 21:39:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3739 states to 1872 states and 3739 transitions. [2018-09-30 21:39:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3739 transitions. [2018-09-30 21:39:07,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 1873 states and 3741 transitions. [2018-09-30 21:39:07,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 3741 transitions. [2018-09-30 21:39:07,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,691 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 1874 states and 3743 transitions. [2018-09-30 21:39:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 3743 transitions. [2018-09-30 21:39:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 1875 states and 3745 transitions. [2018-09-30 21:39:07,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1875 states and 3745 transitions. [2018-09-30 21:39:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 1876 states and 3747 transitions. [2018-09-30 21:39:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3747 transitions. [2018-09-30 21:39:07,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:07,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:07,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3749 states to 1877 states and 3749 transitions. [2018-09-30 21:39:08,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3749 transitions. [2018-09-30 21:39:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3751 states to 1878 states and 3751 transitions. [2018-09-30 21:39:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3751 transitions. [2018-09-30 21:39:08,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3753 states to 1879 states and 3753 transitions. [2018-09-30 21:39:08,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3753 transitions. [2018-09-30 21:39:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 1880 states and 3755 transitions. [2018-09-30 21:39:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 3755 transitions. [2018-09-30 21:39:08,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 1881 states and 3757 transitions. [2018-09-30 21:39:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3757 transitions. [2018-09-30 21:39:08,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 1882 states and 3759 transitions. [2018-09-30 21:39:08,604 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 3759 transitions. [2018-09-30 21:39:08,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:08,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:08,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3761 states to 1883 states and 3761 transitions. [2018-09-30 21:39:08,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3761 transitions. [2018-09-30 21:39:08,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:08,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:08,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 1884 states and 3763 transitions. [2018-09-30 21:39:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3763 transitions. [2018-09-30 21:39:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3765 states to 1885 states and 3765 transitions. [2018-09-30 21:39:09,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3765 transitions. [2018-09-30 21:39:09,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3767 states to 1886 states and 3767 transitions. [2018-09-30 21:39:09,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 3767 transitions. [2018-09-30 21:39:09,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 1887 states and 3769 transitions. [2018-09-30 21:39:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3769 transitions. [2018-09-30 21:39:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 1888 states and 3771 transitions. [2018-09-30 21:39:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 3771 transitions. [2018-09-30 21:39:09,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 1889 states and 3773 transitions. [2018-09-30 21:39:09,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 3773 transitions. [2018-09-30 21:39:09,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 1890 states and 3775 transitions. [2018-09-30 21:39:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 3775 transitions. [2018-09-30 21:39:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 1891 states and 3777 transitions. [2018-09-30 21:39:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 3777 transitions. [2018-09-30 21:39:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 1892 states and 3779 transitions. [2018-09-30 21:39:09,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3779 transitions. [2018-09-30 21:39:09,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:09,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:09,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 1893 states and 3781 transitions. [2018-09-30 21:39:10,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3781 transitions. [2018-09-30 21:39:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,106 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3783 states to 1894 states and 3783 transitions. [2018-09-30 21:39:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 3783 transitions. [2018-09-30 21:39:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 1895 states and 3785 transitions. [2018-09-30 21:39:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 3785 transitions. [2018-09-30 21:39:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3787 states to 1896 states and 3787 transitions. [2018-09-30 21:39:10,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3787 transitions. [2018-09-30 21:39:10,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 1897 states and 3789 transitions. [2018-09-30 21:39:10,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 3789 transitions. [2018-09-30 21:39:10,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,496 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 1898 states and 3791 transitions. [2018-09-30 21:39:10,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3791 transitions. [2018-09-30 21:39:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 1899 states and 3793 transitions. [2018-09-30 21:39:10,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3793 transitions. [2018-09-30 21:39:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,698 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,711 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3795 states to 1900 states and 3795 transitions. [2018-09-30 21:39:10,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 3795 transitions. [2018-09-30 21:39:10,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 1901 states and 3797 transitions. [2018-09-30 21:39:10,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1901 states and 3797 transitions. [2018-09-30 21:39:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,894 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3799 states to 1902 states and 3799 transitions. [2018-09-30 21:39:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3799 transitions. [2018-09-30 21:39:10,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:10,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:10,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3801 states to 1903 states and 3801 transitions. [2018-09-30 21:39:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 3801 transitions. [2018-09-30 21:39:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3803 states to 1904 states and 3803 transitions. [2018-09-30 21:39:11,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3803 transitions. [2018-09-30 21:39:11,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 1905 states and 3805 transitions. [2018-09-30 21:39:11,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 3805 transitions. [2018-09-30 21:39:11,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,295 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 1906 states and 3807 transitions. [2018-09-30 21:39:11,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1906 states and 3807 transitions. [2018-09-30 21:39:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 1907 states and 3809 transitions. [2018-09-30 21:39:11,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3809 transitions. [2018-09-30 21:39:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,502 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 1908 states and 3811 transitions. [2018-09-30 21:39:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1908 states and 3811 transitions. [2018-09-30 21:39:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3813 states to 1909 states and 3813 transitions. [2018-09-30 21:39:11,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 3813 transitions. [2018-09-30 21:39:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1910 states and 3815 transitions. [2018-09-30 21:39:11,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 3815 transitions. [2018-09-30 21:39:11,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 1911 states and 3817 transitions. [2018-09-30 21:39:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 3817 transitions. [2018-09-30 21:39:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:11,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:11,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:11,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1912 states and 3819 transitions. [2018-09-30 21:39:11,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 3819 transitions. [2018-09-30 21:39:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:11,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 1913 states and 3821 transitions. [2018-09-30 21:39:12,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3821 transitions. [2018-09-30 21:39:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,097 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 1914 states and 3823 transitions. [2018-09-30 21:39:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 3823 transitions. [2018-09-30 21:39:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3825 states to 1915 states and 3825 transitions. [2018-09-30 21:39:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 3825 transitions. [2018-09-30 21:39:12,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3827 states to 1916 states and 3827 transitions. [2018-09-30 21:39:12,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1916 states and 3827 transitions. [2018-09-30 21:39:12,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,401 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3829 states to 1917 states and 3829 transitions. [2018-09-30 21:39:12,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 3829 transitions. [2018-09-30 21:39:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3831 states to 1918 states and 3831 transitions. [2018-09-30 21:39:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1918 states and 3831 transitions. [2018-09-30 21:39:12,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 1919 states and 3833 transitions. [2018-09-30 21:39:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3833 transitions. [2018-09-30 21:39:12,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 1920 states and 3835 transitions. [2018-09-30 21:39:12,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 3835 transitions. [2018-09-30 21:39:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 1921 states and 3837 transitions. [2018-09-30 21:39:12,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 3837 transitions. [2018-09-30 21:39:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:12,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:12,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 1922 states and 3839 transitions. [2018-09-30 21:39:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3839 transitions. [2018-09-30 21:39:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3841 states to 1923 states and 3841 transitions. [2018-09-30 21:39:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1923 states and 3841 transitions. [2018-09-30 21:39:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,134 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 1924 states and 3843 transitions. [2018-09-30 21:39:13,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3843 transitions. [2018-09-30 21:39:13,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 1925 states and 3845 transitions. [2018-09-30 21:39:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1925 states and 3845 transitions. [2018-09-30 21:39:13,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,348 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3847 states to 1926 states and 3847 transitions. [2018-09-30 21:39:13,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 3847 transitions. [2018-09-30 21:39:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 1927 states and 3849 transitions. [2018-09-30 21:39:13,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1927 states and 3849 transitions. [2018-09-30 21:39:13,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1928 states and 3851 transitions. [2018-09-30 21:39:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 3851 transitions. [2018-09-30 21:39:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3853 states to 1929 states and 3853 transitions. [2018-09-30 21:39:13,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1929 states and 3853 transitions. [2018-09-30 21:39:13,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 1930 states and 3855 transitions. [2018-09-30 21:39:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3855 transitions. [2018-09-30 21:39:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3857 states to 1931 states and 3857 transitions. [2018-09-30 21:39:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 3857 transitions. [2018-09-30 21:39:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:13,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:13,958 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 1932 states and 3859 transitions. [2018-09-30 21:39:14,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 3859 transitions. [2018-09-30 21:39:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 1933 states and 3861 transitions. [2018-09-30 21:39:14,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 3861 transitions. [2018-09-30 21:39:14,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 1934 states and 3863 transitions. [2018-09-30 21:39:14,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3863 transitions. [2018-09-30 21:39:14,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 1935 states and 3865 transitions. [2018-09-30 21:39:14,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 3865 transitions. [2018-09-30 21:39:14,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,363 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 1936 states and 3867 transitions. [2018-09-30 21:39:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3867 transitions. [2018-09-30 21:39:14,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 1937 states and 3869 transitions. [2018-09-30 21:39:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 3869 transitions. [2018-09-30 21:39:14,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 1938 states and 3871 transitions. [2018-09-30 21:39:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 3871 transitions. [2018-09-30 21:39:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 1939 states and 3873 transitions. [2018-09-30 21:39:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 3873 transitions. [2018-09-30 21:39:14,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3875 states to 1940 states and 3875 transitions. [2018-09-30 21:39:14,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1940 states and 3875 transitions. [2018-09-30 21:39:14,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:14,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 1941 states and 3877 transitions. [2018-09-30 21:39:14,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 3877 transitions. [2018-09-30 21:39:14,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:14,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:14,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:14,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3879 states to 1942 states and 3879 transitions. [2018-09-30 21:39:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 3879 transitions. [2018-09-30 21:39:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 1943 states and 3881 transitions. [2018-09-30 21:39:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1943 states and 3881 transitions. [2018-09-30 21:39:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 1944 states and 3883 transitions. [2018-09-30 21:39:15,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1944 states and 3883 transitions. [2018-09-30 21:39:15,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 1945 states and 3885 transitions. [2018-09-30 21:39:15,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 3885 transitions. [2018-09-30 21:39:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 1946 states and 3887 transitions. [2018-09-30 21:39:15,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3887 transitions. [2018-09-30 21:39:15,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 1947 states and 3889 transitions. [2018-09-30 21:39:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 3889 transitions. [2018-09-30 21:39:15,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3891 states to 1948 states and 3891 transitions. [2018-09-30 21:39:15,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 3891 transitions. [2018-09-30 21:39:15,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3893 states to 1949 states and 3893 transitions. [2018-09-30 21:39:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1949 states and 3893 transitions. [2018-09-30 21:39:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 1950 states and 3895 transitions. [2018-09-30 21:39:15,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 3895 transitions. [2018-09-30 21:39:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 1951 states and 3897 transitions. [2018-09-30 21:39:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 3897 transitions. [2018-09-30 21:39:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:15,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:15,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 1952 states and 3899 transitions. [2018-09-30 21:39:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 3899 transitions. [2018-09-30 21:39:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 1953 states and 3901 transitions. [2018-09-30 21:39:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 3901 transitions. [2018-09-30 21:39:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3903 states to 1954 states and 3903 transitions. [2018-09-30 21:39:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 3903 transitions. [2018-09-30 21:39:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3905 states to 1955 states and 3905 transitions. [2018-09-30 21:39:16,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 3905 transitions. [2018-09-30 21:39:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3907 states to 1956 states and 3907 transitions. [2018-09-30 21:39:16,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 3907 transitions. [2018-09-30 21:39:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3909 states to 1957 states and 3909 transitions. [2018-09-30 21:39:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 3909 transitions. [2018-09-30 21:39:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 1958 states and 3911 transitions. [2018-09-30 21:39:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1958 states and 3911 transitions. [2018-09-30 21:39:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 1959 states and 3913 transitions. [2018-09-30 21:39:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1959 states and 3913 transitions. [2018-09-30 21:39:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3915 states to 1960 states and 3915 transitions. [2018-09-30 21:39:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 3915 transitions. [2018-09-30 21:39:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3917 states to 1961 states and 3917 transitions. [2018-09-30 21:39:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 3917 transitions. [2018-09-30 21:39:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:16,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:16,998 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3919 states to 1962 states and 3919 transitions. [2018-09-30 21:39:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 3919 transitions. [2018-09-30 21:39:17,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3921 states to 1963 states and 3921 transitions. [2018-09-30 21:39:17,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1963 states and 3921 transitions. [2018-09-30 21:39:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3923 states to 1964 states and 3923 transitions. [2018-09-30 21:39:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 3923 transitions. [2018-09-30 21:39:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,300 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 1965 states and 3925 transitions. [2018-09-30 21:39:17,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1965 states and 3925 transitions. [2018-09-30 21:39:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3927 states to 1966 states and 3927 transitions. [2018-09-30 21:39:17,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 3927 transitions. [2018-09-30 21:39:17,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 1967 states and 3929 transitions. [2018-09-30 21:39:17,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 3929 transitions. [2018-09-30 21:39:17,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3931 states to 1968 states and 3931 transitions. [2018-09-30 21:39:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 3931 transitions. [2018-09-30 21:39:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 1969 states and 3933 transitions. [2018-09-30 21:39:17,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 3933 transitions. [2018-09-30 21:39:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:17,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 1970 states and 3935 transitions. [2018-09-30 21:39:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 3935 transitions. [2018-09-30 21:39:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:17,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:17,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3937 states to 1971 states and 3937 transitions. [2018-09-30 21:39:18,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 3937 transitions. [2018-09-30 21:39:18,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 1972 states and 3939 transitions. [2018-09-30 21:39:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 3939 transitions. [2018-09-30 21:39:18,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3941 states to 1973 states and 3941 transitions. [2018-09-30 21:39:18,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1973 states and 3941 transitions. [2018-09-30 21:39:18,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3943 states to 1974 states and 3943 transitions. [2018-09-30 21:39:18,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 3943 transitions. [2018-09-30 21:39:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3945 states to 1975 states and 3945 transitions. [2018-09-30 21:39:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3945 transitions. [2018-09-30 21:39:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,451 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3947 states to 1976 states and 3947 transitions. [2018-09-30 21:39:18,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 3947 transitions. [2018-09-30 21:39:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 1977 states and 3949 transitions. [2018-09-30 21:39:18,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 3949 transitions. [2018-09-30 21:39:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 1978 states and 3951 transitions. [2018-09-30 21:39:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 3951 transitions. [2018-09-30 21:39:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 1979 states and 3953 transitions. [2018-09-30 21:39:18,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 3953 transitions. [2018-09-30 21:39:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,868 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:18,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 1980 states and 3955 transitions. [2018-09-30 21:39:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 3955 transitions. [2018-09-30 21:39:18,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:18,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:18,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:18,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 1981 states and 3957 transitions. [2018-09-30 21:39:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 3957 transitions. [2018-09-30 21:39:19,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 1982 states and 3959 transitions. [2018-09-30 21:39:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 3959 transitions. [2018-09-30 21:39:19,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 1983 states and 3961 transitions. [2018-09-30 21:39:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 3961 transitions. [2018-09-30 21:39:19,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 1984 states and 3963 transitions. [2018-09-30 21:39:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 3963 transitions. [2018-09-30 21:39:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 1985 states and 3965 transitions. [2018-09-30 21:39:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3965 transitions. [2018-09-30 21:39:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3967 states to 1986 states and 3967 transitions. [2018-09-30 21:39:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 3967 transitions. [2018-09-30 21:39:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 1987 states and 3969 transitions. [2018-09-30 21:39:19,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1987 states and 3969 transitions. [2018-09-30 21:39:19,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 1988 states and 3971 transitions. [2018-09-30 21:39:19,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 3971 transitions. [2018-09-30 21:39:19,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,787 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3973 states to 1989 states and 3973 transitions. [2018-09-30 21:39:19,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 3973 transitions. [2018-09-30 21:39:19,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:19,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:19,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3975 states to 1990 states and 3975 transitions. [2018-09-30 21:39:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 3975 transitions. [2018-09-30 21:39:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:19,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:19,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 1991 states and 3977 transitions. [2018-09-30 21:39:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1991 states and 3977 transitions. [2018-09-30 21:39:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 1992 states and 3979 transitions. [2018-09-30 21:39:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 3979 transitions. [2018-09-30 21:39:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 1993 states and 3981 transitions. [2018-09-30 21:39:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 3981 transitions. [2018-09-30 21:39:20,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 1994 states and 3983 transitions. [2018-09-30 21:39:20,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 3983 transitions. [2018-09-30 21:39:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 1995 states and 3985 transitions. [2018-09-30 21:39:20,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 3985 transitions. [2018-09-30 21:39:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 1996 states and 3987 transitions. [2018-09-30 21:39:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1996 states and 3987 transitions. [2018-09-30 21:39:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 1997 states and 3989 transitions. [2018-09-30 21:39:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 3989 transitions. [2018-09-30 21:39:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,728 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 1998 states and 3991 transitions. [2018-09-30 21:39:20,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 3991 transitions. [2018-09-30 21:39:20,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,831 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:20,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:20,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3993 states to 1999 states and 3993 transitions. [2018-09-30 21:39:20,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 3993 transitions. [2018-09-30 21:39:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:20,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:20,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:20,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:20,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 2000 states and 3995 transitions. [2018-09-30 21:39:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 3995 transitions. [2018-09-30 21:39:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3997 states to 2001 states and 3997 transitions. [2018-09-30 21:39:21,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 3997 transitions. [2018-09-30 21:39:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 2002 states and 3999 transitions. [2018-09-30 21:39:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3999 transitions. [2018-09-30 21:39:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 2003 states and 4001 transitions. [2018-09-30 21:39:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2003 states and 4001 transitions. [2018-09-30 21:39:21,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 2004 states and 4003 transitions. [2018-09-30 21:39:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 4003 transitions. [2018-09-30 21:39:21,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4005 states to 2005 states and 4005 transitions. [2018-09-30 21:39:21,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 4005 transitions. [2018-09-30 21:39:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4007 states to 2006 states and 4007 transitions. [2018-09-30 21:39:21,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 4007 transitions. [2018-09-30 21:39:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,668 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 2007 states and 4009 transitions. [2018-09-30 21:39:21,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 4009 transitions. [2018-09-30 21:39:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4011 states to 2008 states and 4011 transitions. [2018-09-30 21:39:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 4011 transitions. [2018-09-30 21:39:21,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:21,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:21,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4013 states to 2009 states and 4013 transitions. [2018-09-30 21:39:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 4013 transitions. [2018-09-30 21:39:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:21,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:21,978 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 2010 states and 4015 transitions. [2018-09-30 21:39:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 4015 transitions. [2018-09-30 21:39:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4017 states to 2011 states and 4017 transitions. [2018-09-30 21:39:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 4017 transitions. [2018-09-30 21:39:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,187 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,197 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4019 states to 2012 states and 4019 transitions. [2018-09-30 21:39:22,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 4019 transitions. [2018-09-30 21:39:22,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4021 states to 2013 states and 4021 transitions. [2018-09-30 21:39:22,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 4021 transitions. [2018-09-30 21:39:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4023 states to 2014 states and 4023 transitions. [2018-09-30 21:39:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 4023 transitions. [2018-09-30 21:39:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,517 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4025 states to 2015 states and 4025 transitions. [2018-09-30 21:39:22,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 4025 transitions. [2018-09-30 21:39:22,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 2016 states and 4027 transitions. [2018-09-30 21:39:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 2016 states and 4027 transitions. [2018-09-30 21:39:22,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 2017 states and 4029 transitions. [2018-09-30 21:39:22,810 INFO L276 IsEmpty]: Start isEmpty. Operand 2017 states and 4029 transitions. [2018-09-30 21:39:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,815 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4031 states to 2018 states and 4031 transitions. [2018-09-30 21:39:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 4031 transitions. [2018-09-30 21:39:22,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:22,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:22,921 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:22,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4033 states to 2019 states and 4033 transitions. [2018-09-30 21:39:23,022 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 4033 transitions. [2018-09-30 21:39:23,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4035 states to 2020 states and 4035 transitions. [2018-09-30 21:39:23,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 4035 transitions. [2018-09-30 21:39:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,135 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 2021 states and 4037 transitions. [2018-09-30 21:39:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 4037 transitions. [2018-09-30 21:39:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4039 states to 2022 states and 4039 transitions. [2018-09-30 21:39:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2022 states and 4039 transitions. [2018-09-30 21:39:23,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 2023 states and 4041 transitions. [2018-09-30 21:39:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 4041 transitions. [2018-09-30 21:39:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 2024 states and 4043 transitions. [2018-09-30 21:39:23,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 4043 transitions. [2018-09-30 21:39:23,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,567 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 2025 states and 4045 transitions. [2018-09-30 21:39:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 4045 transitions. [2018-09-30 21:39:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4047 states to 2026 states and 4047 transitions. [2018-09-30 21:39:23,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 4047 transitions. [2018-09-30 21:39:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4049 states to 2027 states and 4049 transitions. [2018-09-30 21:39:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 4049 transitions. [2018-09-30 21:39:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4051 states to 2028 states and 4051 transitions. [2018-09-30 21:39:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 4051 transitions. [2018-09-30 21:39:23,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:23,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:23,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:23,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:23,999 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 2029 states and 4053 transitions. [2018-09-30 21:39:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 4053 transitions. [2018-09-30 21:39:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4055 states to 2030 states and 4055 transitions. [2018-09-30 21:39:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 4055 transitions. [2018-09-30 21:39:24,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,199 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4057 states to 2031 states and 4057 transitions. [2018-09-30 21:39:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 4057 transitions. [2018-09-30 21:39:24,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4059 states to 2032 states and 4059 transitions. [2018-09-30 21:39:24,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 4059 transitions. [2018-09-30 21:39:24,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4061 states to 2033 states and 4061 transitions. [2018-09-30 21:39:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 4061 transitions. [2018-09-30 21:39:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,520 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4063 states to 2034 states and 4063 transitions. [2018-09-30 21:39:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 4063 transitions. [2018-09-30 21:39:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 2035 states and 4065 transitions. [2018-09-30 21:39:24,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 4065 transitions. [2018-09-30 21:39:24,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4067 states to 2036 states and 4067 transitions. [2018-09-30 21:39:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 4067 transitions. [2018-09-30 21:39:24,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4069 states to 2037 states and 4069 transitions. [2018-09-30 21:39:24,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 4069 transitions. [2018-09-30 21:39:24,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:24,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:24,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4071 states to 2038 states and 4071 transitions. [2018-09-30 21:39:25,029 INFO L276 IsEmpty]: Start isEmpty. Operand 2038 states and 4071 transitions. [2018-09-30 21:39:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 2039 states and 4073 transitions. [2018-09-30 21:39:25,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 4073 transitions. [2018-09-30 21:39:25,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,139 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 2040 states and 4075 transitions. [2018-09-30 21:39:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 4075 transitions. [2018-09-30 21:39:25,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4077 states to 2041 states and 4077 transitions. [2018-09-30 21:39:25,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2041 states and 4077 transitions. [2018-09-30 21:39:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4079 states to 2042 states and 4079 transitions. [2018-09-30 21:39:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2042 states and 4079 transitions. [2018-09-30 21:39:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 2043 states and 4081 transitions. [2018-09-30 21:39:25,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 4081 transitions. [2018-09-30 21:39:25,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4083 states to 2044 states and 4083 transitions. [2018-09-30 21:39:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2044 states and 4083 transitions. [2018-09-30 21:39:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4085 states to 2045 states and 4085 transitions. [2018-09-30 21:39:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 4085 transitions. [2018-09-30 21:39:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4087 states to 2046 states and 4087 transitions. [2018-09-30 21:39:25,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 4087 transitions. [2018-09-30 21:39:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:25,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 2047 states and 4089 transitions. [2018-09-30 21:39:25,979 INFO L276 IsEmpty]: Start isEmpty. Operand 2047 states and 4089 transitions. [2018-09-30 21:39:25,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:25,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:25,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 2048 states and 4091 transitions. [2018-09-30 21:39:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2048 states and 4091 transitions. [2018-09-30 21:39:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,092 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4093 states to 2049 states and 4093 transitions. [2018-09-30 21:39:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 4093 transitions. [2018-09-30 21:39:26,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 2050 states and 4095 transitions. [2018-09-30 21:39:26,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 4095 transitions. [2018-09-30 21:39:26,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,303 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 2051 states and 4097 transitions. [2018-09-30 21:39:26,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2051 states and 4097 transitions. [2018-09-30 21:39:26,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 2052 states and 4099 transitions. [2018-09-30 21:39:26,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2052 states and 4099 transitions. [2018-09-30 21:39:26,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 2053 states and 4101 transitions. [2018-09-30 21:39:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 4101 transitions. [2018-09-30 21:39:26,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,616 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4103 states to 2054 states and 4103 transitions. [2018-09-30 21:39:26,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 4103 transitions. [2018-09-30 21:39:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4105 states to 2055 states and 4105 transitions. [2018-09-30 21:39:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2055 states and 4105 transitions. [2018-09-30 21:39:26,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4107 states to 2056 states and 4107 transitions. [2018-09-30 21:39:26,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 4107 transitions. [2018-09-30 21:39:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:26,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:26,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 2057 states and 4109 transitions. [2018-09-30 21:39:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2057 states and 4109 transitions. [2018-09-30 21:39:27,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4111 states to 2058 states and 4111 transitions. [2018-09-30 21:39:27,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 4111 transitions. [2018-09-30 21:39:27,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4113 states to 2059 states and 4113 transitions. [2018-09-30 21:39:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 4113 transitions. [2018-09-30 21:39:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,256 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4115 states to 2060 states and 4115 transitions. [2018-09-30 21:39:27,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 4115 transitions. [2018-09-30 21:39:27,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4117 states to 2061 states and 4117 transitions. [2018-09-30 21:39:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 4117 transitions. [2018-09-30 21:39:27,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4119 states to 2062 states and 4119 transitions. [2018-09-30 21:39:27,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 4119 transitions. [2018-09-30 21:39:27,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,572 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 2063 states and 4121 transitions. [2018-09-30 21:39:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 4121 transitions. [2018-09-30 21:39:27,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 2064 states and 4123 transitions. [2018-09-30 21:39:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 4123 transitions. [2018-09-30 21:39:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 2065 states and 4125 transitions. [2018-09-30 21:39:27,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2065 states and 4125 transitions. [2018-09-30 21:39:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:27,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:27,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 2066 states and 4127 transitions. [2018-09-30 21:39:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 4127 transitions. [2018-09-30 21:39:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:27,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:27,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 2067 states and 4129 transitions. [2018-09-30 21:39:28,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2067 states and 4129 transitions. [2018-09-30 21:39:28,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 2068 states and 4131 transitions. [2018-09-30 21:39:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 4131 transitions. [2018-09-30 21:39:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 2069 states and 4133 transitions. [2018-09-30 21:39:28,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 4133 transitions. [2018-09-30 21:39:28,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,354 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4135 states to 2070 states and 4135 transitions. [2018-09-30 21:39:28,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 4135 transitions. [2018-09-30 21:39:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4137 states to 2071 states and 4137 transitions. [2018-09-30 21:39:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 4137 transitions. [2018-09-30 21:39:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4139 states to 2072 states and 4139 transitions. [2018-09-30 21:39:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2072 states and 4139 transitions. [2018-09-30 21:39:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 2073 states and 4141 transitions. [2018-09-30 21:39:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2073 states and 4141 transitions. [2018-09-30 21:39:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4143 states to 2074 states and 4143 transitions. [2018-09-30 21:39:28,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 4143 transitions. [2018-09-30 21:39:28,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:28,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:28,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4145 states to 2075 states and 4145 transitions. [2018-09-30 21:39:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2075 states and 4145 transitions. [2018-09-30 21:39:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:28,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:28,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4147 states to 2076 states and 4147 transitions. [2018-09-30 21:39:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 4147 transitions. [2018-09-30 21:39:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 2077 states and 4149 transitions. [2018-09-30 21:39:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 4149 transitions. [2018-09-30 21:39:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4151 states to 2078 states and 4151 transitions. [2018-09-30 21:39:29,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 4151 transitions. [2018-09-30 21:39:29,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,316 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 2079 states and 4153 transitions. [2018-09-30 21:39:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 4153 transitions. [2018-09-30 21:39:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,423 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 2080 states and 4155 transitions. [2018-09-30 21:39:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 4155 transitions. [2018-09-30 21:39:29,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 2081 states and 4157 transitions. [2018-09-30 21:39:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 4157 transitions. [2018-09-30 21:39:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4159 states to 2082 states and 4159 transitions. [2018-09-30 21:39:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2082 states and 4159 transitions. [2018-09-30 21:39:29,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4161 states to 2083 states and 4161 transitions. [2018-09-30 21:39:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 4161 transitions. [2018-09-30 21:39:29,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:29,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 2084 states and 4163 transitions. [2018-09-30 21:39:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 4163 transitions. [2018-09-30 21:39:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:29,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:29,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:29,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4165 states to 2085 states and 4165 transitions. [2018-09-30 21:39:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 4165 transitions. [2018-09-30 21:39:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,057 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 2086 states and 4167 transitions. [2018-09-30 21:39:30,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2086 states and 4167 transitions. [2018-09-30 21:39:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 2087 states and 4169 transitions. [2018-09-30 21:39:30,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 4169 transitions. [2018-09-30 21:39:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4171 states to 2088 states and 4171 transitions. [2018-09-30 21:39:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2088 states and 4171 transitions. [2018-09-30 21:39:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4173 states to 2089 states and 4173 transitions. [2018-09-30 21:39:30,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 4173 transitions. [2018-09-30 21:39:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,475 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4175 states to 2090 states and 4175 transitions. [2018-09-30 21:39:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2090 states and 4175 transitions. [2018-09-30 21:39:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4177 states to 2091 states and 4177 transitions. [2018-09-30 21:39:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 4177 transitions. [2018-09-30 21:39:30,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 2092 states and 4179 transitions. [2018-09-30 21:39:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2092 states and 4179 transitions. [2018-09-30 21:39:30,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4181 states to 2093 states and 4181 transitions. [2018-09-30 21:39:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 4181 transitions. [2018-09-30 21:39:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:30,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:30,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:30,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 2094 states and 4183 transitions. [2018-09-30 21:39:31,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2094 states and 4183 transitions. [2018-09-30 21:39:31,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,024 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4185 states to 2095 states and 4185 transitions. [2018-09-30 21:39:31,112 INFO L276 IsEmpty]: Start isEmpty. Operand 2095 states and 4185 transitions. [2018-09-30 21:39:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4187 states to 2096 states and 4187 transitions. [2018-09-30 21:39:31,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 4187 transitions. [2018-09-30 21:39:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4189 states to 2097 states and 4189 transitions. [2018-09-30 21:39:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 4189 transitions. [2018-09-30 21:39:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,329 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4191 states to 2098 states and 4191 transitions. [2018-09-30 21:39:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 4191 transitions. [2018-09-30 21:39:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4193 states to 2099 states and 4193 transitions. [2018-09-30 21:39:31,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 4193 transitions. [2018-09-30 21:39:31,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,546 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 2100 states and 4195 transitions. [2018-09-30 21:39:31,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 4195 transitions. [2018-09-30 21:39:31,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4197 states to 2101 states and 4197 transitions. [2018-09-30 21:39:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 4197 transitions. [2018-09-30 21:39:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,759 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 2102 states and 4199 transitions. [2018-09-30 21:39:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 4199 transitions. [2018-09-30 21:39:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:31,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4201 states to 2103 states and 4201 transitions. [2018-09-30 21:39:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 4201 transitions. [2018-09-30 21:39:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:31,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:31,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4203 states to 2104 states and 4203 transitions. [2018-09-30 21:39:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 4203 transitions. [2018-09-30 21:39:32,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,082 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4205 states to 2105 states and 4205 transitions. [2018-09-30 21:39:32,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 4205 transitions. [2018-09-30 21:39:32,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4207 states to 2106 states and 4207 transitions. [2018-09-30 21:39:32,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 4207 transitions. [2018-09-30 21:39:32,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4209 states to 2107 states and 4209 transitions. [2018-09-30 21:39:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 4209 transitions. [2018-09-30 21:39:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4211 states to 2108 states and 4211 transitions. [2018-09-30 21:39:32,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 4211 transitions. [2018-09-30 21:39:32,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 2109 states and 4213 transitions. [2018-09-30 21:39:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 4213 transitions. [2018-09-30 21:39:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4215 states to 2110 states and 4215 transitions. [2018-09-30 21:39:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2110 states and 4215 transitions. [2018-09-30 21:39:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4217 states to 2111 states and 4217 transitions. [2018-09-30 21:39:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 4217 transitions. [2018-09-30 21:39:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:32,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4219 states to 2112 states and 4219 transitions. [2018-09-30 21:39:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 4219 transitions. [2018-09-30 21:39:32,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:32,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:32,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:32,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 2113 states and 4221 transitions. [2018-09-30 21:39:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2113 states and 4221 transitions. [2018-09-30 21:39:33,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4223 states to 2114 states and 4223 transitions. [2018-09-30 21:39:33,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 4223 transitions. [2018-09-30 21:39:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4225 states to 2115 states and 4225 transitions. [2018-09-30 21:39:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 4225 transitions. [2018-09-30 21:39:33,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 2116 states and 4227 transitions. [2018-09-30 21:39:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 4227 transitions. [2018-09-30 21:39:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4229 states to 2117 states and 4229 transitions. [2018-09-30 21:39:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2117 states and 4229 transitions. [2018-09-30 21:39:33,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,487 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 2118 states and 4231 transitions. [2018-09-30 21:39:33,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2118 states and 4231 transitions. [2018-09-30 21:39:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4233 states to 2119 states and 4233 transitions. [2018-09-30 21:39:33,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2119 states and 4233 transitions. [2018-09-30 21:39:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4235 states to 2120 states and 4235 transitions. [2018-09-30 21:39:33,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2120 states and 4235 transitions. [2018-09-30 21:39:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 2121 states and 4237 transitions. [2018-09-30 21:39:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 4237 transitions. [2018-09-30 21:39:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:33,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:33,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:33,937 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4239 states to 2122 states and 4239 transitions. [2018-09-30 21:39:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2122 states and 4239 transitions. [2018-09-30 21:39:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4241 states to 2123 states and 4241 transitions. [2018-09-30 21:39:34,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 4241 transitions. [2018-09-30 21:39:34,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,152 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 2124 states and 4243 transitions. [2018-09-30 21:39:34,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 4243 transitions. [2018-09-30 21:39:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4245 states to 2125 states and 4245 transitions. [2018-09-30 21:39:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 4245 transitions. [2018-09-30 21:39:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4247 states to 2126 states and 4247 transitions. [2018-09-30 21:39:34,478 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 4247 transitions. [2018-09-30 21:39:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4249 states to 2127 states and 4249 transitions. [2018-09-30 21:39:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 4249 transitions. [2018-09-30 21:39:34,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4251 states to 2128 states and 4251 transitions. [2018-09-30 21:39:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 4251 transitions. [2018-09-30 21:39:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,703 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 2129 states and 4253 transitions. [2018-09-30 21:39:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 4253 transitions. [2018-09-30 21:39:34,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:34,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:34,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4255 states to 2130 states and 4255 transitions. [2018-09-30 21:39:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 4255 transitions. [2018-09-30 21:39:34,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:34,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:34,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:34,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4257 states to 2131 states and 4257 transitions. [2018-09-30 21:39:35,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 4257 transitions. [2018-09-30 21:39:35,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,030 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4259 states to 2132 states and 4259 transitions. [2018-09-30 21:39:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 4259 transitions. [2018-09-30 21:39:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4261 states to 2133 states and 4261 transitions. [2018-09-30 21:39:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 4261 transitions. [2018-09-30 21:39:35,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4263 states to 2134 states and 4263 transitions. [2018-09-30 21:39:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 4263 transitions. [2018-09-30 21:39:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,367 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 2135 states and 4265 transitions. [2018-09-30 21:39:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2135 states and 4265 transitions. [2018-09-30 21:39:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 2136 states and 4267 transitions. [2018-09-30 21:39:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2136 states and 4267 transitions. [2018-09-30 21:39:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4269 states to 2137 states and 4269 transitions. [2018-09-30 21:39:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2137 states and 4269 transitions. [2018-09-30 21:39:35,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4271 states to 2138 states and 4271 transitions. [2018-09-30 21:39:35,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 4271 transitions. [2018-09-30 21:39:35,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4273 states to 2139 states and 4273 transitions. [2018-09-30 21:39:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2139 states and 4273 transitions. [2018-09-30 21:39:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:35,893 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:35,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:35,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 2140 states and 4275 transitions. [2018-09-30 21:39:35,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 4275 transitions. [2018-09-30 21:39:35,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:35,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4277 states to 2141 states and 4277 transitions. [2018-09-30 21:39:36,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 4277 transitions. [2018-09-30 21:39:36,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 2142 states and 4279 transitions. [2018-09-30 21:39:36,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 4279 transitions. [2018-09-30 21:39:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 2143 states and 4281 transitions. [2018-09-30 21:39:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2143 states and 4281 transitions. [2018-09-30 21:39:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4283 states to 2144 states and 4283 transitions. [2018-09-30 21:39:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 4283 transitions. [2018-09-30 21:39:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4285 states to 2145 states and 4285 transitions. [2018-09-30 21:39:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 4285 transitions. [2018-09-30 21:39:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4287 states to 2146 states and 4287 transitions. [2018-09-30 21:39:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 4287 transitions. [2018-09-30 21:39:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,661 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 2147 states and 4289 transitions. [2018-09-30 21:39:36,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 4289 transitions. [2018-09-30 21:39:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 2148 states and 4291 transitions. [2018-09-30 21:39:36,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2148 states and 4291 transitions. [2018-09-30 21:39:36,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,880 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:36,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 2149 states and 4293 transitions. [2018-09-30 21:39:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 4293 transitions. [2018-09-30 21:39:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:36,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:36,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 2150 states and 4295 transitions. [2018-09-30 21:39:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 4295 transitions. [2018-09-30 21:39:37,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4297 states to 2151 states and 4297 transitions. [2018-09-30 21:39:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2151 states and 4297 transitions. [2018-09-30 21:39:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,212 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4299 states to 2152 states and 4299 transitions. [2018-09-30 21:39:37,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 4299 transitions. [2018-09-30 21:39:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4301 states to 2153 states and 4301 transitions. [2018-09-30 21:39:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 4301 transitions. [2018-09-30 21:39:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 2154 states and 4303 transitions. [2018-09-30 21:39:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 2154 states and 4303 transitions. [2018-09-30 21:39:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 2155 states and 4305 transitions. [2018-09-30 21:39:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 4305 transitions. [2018-09-30 21:39:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4307 states to 2156 states and 4307 transitions. [2018-09-30 21:39:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 4307 transitions. [2018-09-30 21:39:37,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4309 states to 2157 states and 4309 transitions. [2018-09-30 21:39:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 4309 transitions. [2018-09-30 21:39:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4311 states to 2158 states and 4311 transitions. [2018-09-30 21:39:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 4311 transitions. [2018-09-30 21:39:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:37,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:37,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:37,984 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4313 states to 2159 states and 4313 transitions. [2018-09-30 21:39:38,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 4313 transitions. [2018-09-30 21:39:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 2160 states and 4315 transitions. [2018-09-30 21:39:38,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2160 states and 4315 transitions. [2018-09-30 21:39:38,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 2161 states and 4317 transitions. [2018-09-30 21:39:38,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 4317 transitions. [2018-09-30 21:39:38,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4319 states to 2162 states and 4319 transitions. [2018-09-30 21:39:38,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 4319 transitions. [2018-09-30 21:39:38,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 2163 states and 4321 transitions. [2018-09-30 21:39:38,527 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 4321 transitions. [2018-09-30 21:39:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,533 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4323 states to 2164 states and 4323 transitions. [2018-09-30 21:39:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 4323 transitions. [2018-09-30 21:39:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,646 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4325 states to 2165 states and 4325 transitions. [2018-09-30 21:39:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 4325 transitions. [2018-09-30 21:39:38,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4327 states to 2166 states and 4327 transitions. [2018-09-30 21:39:38,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 4327 transitions. [2018-09-30 21:39:38,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,876 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 2167 states and 4329 transitions. [2018-09-30 21:39:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4329 transitions. [2018-09-30 21:39:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:38,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:38,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4331 states to 2168 states and 4331 transitions. [2018-09-30 21:39:39,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2168 states and 4331 transitions. [2018-09-30 21:39:39,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4333 states to 2169 states and 4333 transitions. [2018-09-30 21:39:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 4333 transitions. [2018-09-30 21:39:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4335 states to 2170 states and 4335 transitions. [2018-09-30 21:39:39,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 4335 transitions. [2018-09-30 21:39:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,313 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4337 states to 2171 states and 4337 transitions. [2018-09-30 21:39:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2171 states and 4337 transitions. [2018-09-30 21:39:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4339 states to 2172 states and 4339 transitions. [2018-09-30 21:39:39,520 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 4339 transitions. [2018-09-30 21:39:39,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,525 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4341 states to 2173 states and 4341 transitions. [2018-09-30 21:39:39,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 4341 transitions. [2018-09-30 21:39:39,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4343 states to 2174 states and 4343 transitions. [2018-09-30 21:39:39,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2174 states and 4343 transitions. [2018-09-30 21:39:39,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 2175 states and 4345 transitions. [2018-09-30 21:39:39,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2175 states and 4345 transitions. [2018-09-30 21:39:39,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:39,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4347 states to 2176 states and 4347 transitions. [2018-09-30 21:39:39,961 INFO L276 IsEmpty]: Start isEmpty. Operand 2176 states and 4347 transitions. [2018-09-30 21:39:39,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:39,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:39,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:39,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:39,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 2177 states and 4349 transitions. [2018-09-30 21:39:40,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 4349 transitions. [2018-09-30 21:39:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 2178 states and 4351 transitions. [2018-09-30 21:39:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 2178 states and 4351 transitions. [2018-09-30 21:39:40,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,181 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 2179 states and 4353 transitions. [2018-09-30 21:39:40,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2179 states and 4353 transitions. [2018-09-30 21:39:40,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,288 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 2180 states and 4355 transitions. [2018-09-30 21:39:40,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 4355 transitions. [2018-09-30 21:39:40,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,396 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 2181 states and 4357 transitions. [2018-09-30 21:39:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 4357 transitions. [2018-09-30 21:39:40,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4359 states to 2182 states and 4359 transitions. [2018-09-30 21:39:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 4359 transitions. [2018-09-30 21:39:40,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4361 states to 2183 states and 4361 transitions. [2018-09-30 21:39:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2183 states and 4361 transitions. [2018-09-30 21:39:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4363 states to 2184 states and 4363 transitions. [2018-09-30 21:39:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2184 states and 4363 transitions. [2018-09-30 21:39:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:40,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:40,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:40,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 2185 states and 4365 transitions. [2018-09-30 21:39:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 4365 transitions. [2018-09-30 21:39:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4367 states to 2186 states and 4367 transitions. [2018-09-30 21:39:41,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 4367 transitions. [2018-09-30 21:39:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4369 states to 2187 states and 4369 transitions. [2018-09-30 21:39:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 4369 transitions. [2018-09-30 21:39:41,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,229 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4371 states to 2188 states and 4371 transitions. [2018-09-30 21:39:41,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 4371 transitions. [2018-09-30 21:39:41,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,336 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 2189 states and 4373 transitions. [2018-09-30 21:39:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 4373 transitions. [2018-09-30 21:39:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 2190 states and 4375 transitions. [2018-09-30 21:39:41,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 4375 transitions. [2018-09-30 21:39:41,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4377 states to 2191 states and 4377 transitions. [2018-09-30 21:39:41,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 4377 transitions. [2018-09-30 21:39:41,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4379 states to 2192 states and 4379 transitions. [2018-09-30 21:39:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 4379 transitions. [2018-09-30 21:39:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 2193 states and 4381 transitions. [2018-09-30 21:39:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 4381 transitions. [2018-09-30 21:39:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:41,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:41,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:41,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:41,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:41,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 2194 states and 4383 transitions. [2018-09-30 21:39:41,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 4383 transitions. [2018-09-30 21:39:42,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,007 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,017 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 2195 states and 4385 transitions. [2018-09-30 21:39:42,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 4385 transitions. [2018-09-30 21:39:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 2196 states and 4387 transitions. [2018-09-30 21:39:42,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 4387 transitions. [2018-09-30 21:39:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4389 states to 2197 states and 4389 transitions. [2018-09-30 21:39:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 4389 transitions. [2018-09-30 21:39:42,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,327 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4391 states to 2198 states and 4391 transitions. [2018-09-30 21:39:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2198 states and 4391 transitions. [2018-09-30 21:39:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4393 states to 2199 states and 4393 transitions. [2018-09-30 21:39:42,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2199 states and 4393 transitions. [2018-09-30 21:39:42,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,554 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 2200 states and 4395 transitions. [2018-09-30 21:39:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 4395 transitions. [2018-09-30 21:39:42,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 2201 states and 4397 transitions. [2018-09-30 21:39:42,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2201 states and 4397 transitions. [2018-09-30 21:39:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,772 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4399 states to 2202 states and 4399 transitions. [2018-09-30 21:39:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 4399 transitions. [2018-09-30 21:39:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,883 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:42,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:42,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:42,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 2203 states and 4401 transitions. [2018-09-30 21:39:42,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2203 states and 4401 transitions. [2018-09-30 21:39:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:42,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:42,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4403 states to 2204 states and 4403 transitions. [2018-09-30 21:39:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 2204 states and 4403 transitions. [2018-09-30 21:39:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4405 states to 2205 states and 4405 transitions. [2018-09-30 21:39:43,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2205 states and 4405 transitions. [2018-09-30 21:39:43,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4407 states to 2206 states and 4407 transitions. [2018-09-30 21:39:43,321 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 4407 transitions. [2018-09-30 21:39:43,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4409 states to 2207 states and 4409 transitions. [2018-09-30 21:39:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 4409 transitions. [2018-09-30 21:39:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4411 states to 2208 states and 4411 transitions. [2018-09-30 21:39:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 4411 transitions. [2018-09-30 21:39:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 2209 states and 4413 transitions. [2018-09-30 21:39:43,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 4413 transitions. [2018-09-30 21:39:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,670 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4415 states to 2210 states and 4415 transitions. [2018-09-30 21:39:43,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 4415 transitions. [2018-09-30 21:39:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:43,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 2211 states and 4417 transitions. [2018-09-30 21:39:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 4417 transitions. [2018-09-30 21:39:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:43,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:43,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 2212 states and 4419 transitions. [2018-09-30 21:39:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 4419 transitions. [2018-09-30 21:39:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 2213 states and 4421 transitions. [2018-09-30 21:39:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 4421 transitions. [2018-09-30 21:39:44,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4423 states to 2214 states and 4423 transitions. [2018-09-30 21:39:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 4423 transitions. [2018-09-30 21:39:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4425 states to 2215 states and 4425 transitions. [2018-09-30 21:39:44,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 4425 transitions. [2018-09-30 21:39:44,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4427 states to 2216 states and 4427 transitions. [2018-09-30 21:39:44,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 4427 transitions. [2018-09-30 21:39:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4429 states to 2217 states and 4429 transitions. [2018-09-30 21:39:44,569 INFO L276 IsEmpty]: Start isEmpty. Operand 2217 states and 4429 transitions. [2018-09-30 21:39:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4431 states to 2218 states and 4431 transitions. [2018-09-30 21:39:44,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2218 states and 4431 transitions. [2018-09-30 21:39:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4433 states to 2219 states and 4433 transitions. [2018-09-30 21:39:44,788 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 4433 transitions. [2018-09-30 21:39:44,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4435 states to 2220 states and 4435 transitions. [2018-09-30 21:39:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2220 states and 4435 transitions. [2018-09-30 21:39:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:44,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:44,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 2221 states and 4437 transitions. [2018-09-30 21:39:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 4437 transitions. [2018-09-30 21:39:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,020 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 2222 states and 4439 transitions. [2018-09-30 21:39:45,126 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 4439 transitions. [2018-09-30 21:39:45,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,133 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4441 states to 2223 states and 4441 transitions. [2018-09-30 21:39:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 4441 transitions. [2018-09-30 21:39:45,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,242 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4443 states to 2224 states and 4443 transitions. [2018-09-30 21:39:45,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2224 states and 4443 transitions. [2018-09-30 21:39:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4445 states to 2225 states and 4445 transitions. [2018-09-30 21:39:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 4445 transitions. [2018-09-30 21:39:45,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4447 states to 2226 states and 4447 transitions. [2018-09-30 21:39:45,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 4447 transitions. [2018-09-30 21:39:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,570 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4449 states to 2227 states and 4449 transitions. [2018-09-30 21:39:45,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2227 states and 4449 transitions. [2018-09-30 21:39:45,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 2228 states and 4451 transitions. [2018-09-30 21:39:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 4451 transitions. [2018-09-30 21:39:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:45,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:45,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4453 states to 2229 states and 4453 transitions. [2018-09-30 21:39:45,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 4453 transitions. [2018-09-30 21:39:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:45,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:45,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 2230 states and 4455 transitions. [2018-09-30 21:39:46,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 4455 transitions. [2018-09-30 21:39:46,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 2231 states and 4457 transitions. [2018-09-30 21:39:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 4457 transitions. [2018-09-30 21:39:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 2232 states and 4459 transitions. [2018-09-30 21:39:46,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 4459 transitions. [2018-09-30 21:39:46,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,239 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4461 states to 2233 states and 4461 transitions. [2018-09-30 21:39:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2233 states and 4461 transitions. [2018-09-30 21:39:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4463 states to 2234 states and 4463 transitions. [2018-09-30 21:39:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2234 states and 4463 transitions. [2018-09-30 21:39:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 2235 states and 4465 transitions. [2018-09-30 21:39:46,561 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 4465 transitions. [2018-09-30 21:39:46,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4467 states to 2236 states and 4467 transitions. [2018-09-30 21:39:46,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2236 states and 4467 transitions. [2018-09-30 21:39:46,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 2237 states and 4469 transitions. [2018-09-30 21:39:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2237 states and 4469 transitions. [2018-09-30 21:39:46,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:46,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4471 states to 2238 states and 4471 transitions. [2018-09-30 21:39:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 4471 transitions. [2018-09-30 21:39:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:46,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:46,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4473 states to 2239 states and 4473 transitions. [2018-09-30 21:39:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2239 states and 4473 transitions. [2018-09-30 21:39:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4475 states to 2240 states and 4475 transitions. [2018-09-30 21:39:47,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2240 states and 4475 transitions. [2018-09-30 21:39:47,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4477 states to 2241 states and 4477 transitions. [2018-09-30 21:39:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 4477 transitions. [2018-09-30 21:39:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 2242 states and 4479 transitions. [2018-09-30 21:39:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 4479 transitions. [2018-09-30 21:39:47,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 2243 states and 4481 transitions. [2018-09-30 21:39:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2243 states and 4481 transitions. [2018-09-30 21:39:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4483 states to 2244 states and 4483 transitions. [2018-09-30 21:39:47,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 4483 transitions. [2018-09-30 21:39:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,558 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4485 states to 2245 states and 4485 transitions. [2018-09-30 21:39:47,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 4485 transitions. [2018-09-30 21:39:47,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 2246 states and 4487 transitions. [2018-09-30 21:39:47,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 4487 transitions. [2018-09-30 21:39:47,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 2247 states and 4489 transitions. [2018-09-30 21:39:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2247 states and 4489 transitions. [2018-09-30 21:39:47,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4491 states to 2248 states and 4491 transitions. [2018-09-30 21:39:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2248 states and 4491 transitions. [2018-09-30 21:39:47,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:47,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:47,997 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4493 states to 2249 states and 4493 transitions. [2018-09-30 21:39:48,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2249 states and 4493 transitions. [2018-09-30 21:39:48,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,113 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4495 states to 2250 states and 4495 transitions. [2018-09-30 21:39:48,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 4495 transitions. [2018-09-30 21:39:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4497 states to 2251 states and 4497 transitions. [2018-09-30 21:39:48,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2251 states and 4497 transitions. [2018-09-30 21:39:48,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4499 states to 2252 states and 4499 transitions. [2018-09-30 21:39:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 2252 states and 4499 transitions. [2018-09-30 21:39:48,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4501 states to 2253 states and 4501 transitions. [2018-09-30 21:39:48,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 4501 transitions. [2018-09-30 21:39:48,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,564 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4503 states to 2254 states and 4503 transitions. [2018-09-30 21:39:48,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 4503 transitions. [2018-09-30 21:39:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4505 states to 2255 states and 4505 transitions. [2018-09-30 21:39:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 4505 transitions. [2018-09-30 21:39:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:48,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:48,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4507 states to 2256 states and 4507 transitions. [2018-09-30 21:39:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2256 states and 4507 transitions. [2018-09-30 21:39:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:48,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:48,898 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4509 states to 2257 states and 4509 transitions. [2018-09-30 21:39:49,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 4509 transitions. [2018-09-30 21:39:49,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,031 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 2258 states and 4511 transitions. [2018-09-30 21:39:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2258 states and 4511 transitions. [2018-09-30 21:39:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 2259 states and 4513 transitions. [2018-09-30 21:39:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 4513 transitions. [2018-09-30 21:39:49,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,253 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4515 states to 2260 states and 4515 transitions. [2018-09-30 21:39:49,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 4515 transitions. [2018-09-30 21:39:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4517 states to 2261 states and 4517 transitions. [2018-09-30 21:39:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 4517 transitions. [2018-09-30 21:39:49,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4519 states to 2262 states and 4519 transitions. [2018-09-30 21:39:49,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 4519 transitions. [2018-09-30 21:39:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4521 states to 2263 states and 4521 transitions. [2018-09-30 21:39:49,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 4521 transitions. [2018-09-30 21:39:49,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,803 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:49,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4523 states to 2264 states and 4523 transitions. [2018-09-30 21:39:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 2264 states and 4523 transitions. [2018-09-30 21:39:49,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:49,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:49,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:49,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 2265 states and 4525 transitions. [2018-09-30 21:39:50,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 4525 transitions. [2018-09-30 21:39:50,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,025 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4527 states to 2266 states and 4527 transitions. [2018-09-30 21:39:50,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 4527 transitions. [2018-09-30 21:39:50,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4529 states to 2267 states and 4529 transitions. [2018-09-30 21:39:50,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 4529 transitions. [2018-09-30 21:39:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,249 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 2268 states and 4531 transitions. [2018-09-30 21:39:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 4531 transitions. [2018-09-30 21:39:50,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4533 states to 2269 states and 4533 transitions. [2018-09-30 21:39:50,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 4533 transitions. [2018-09-30 21:39:50,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4535 states to 2270 states and 4535 transitions. [2018-09-30 21:39:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 4535 transitions. [2018-09-30 21:39:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 2271 states and 4537 transitions. [2018-09-30 21:39:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 4537 transitions. [2018-09-30 21:39:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 2272 states and 4539 transitions. [2018-09-30 21:39:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 4539 transitions. [2018-09-30 21:39:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:50,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 2273 states and 4541 transitions. [2018-09-30 21:39:50,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 4541 transitions. [2018-09-30 21:39:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:50,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:50,924 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4543 states to 2274 states and 4543 transitions. [2018-09-30 21:39:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 4543 transitions. [2018-09-30 21:39:51,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 2275 states and 4545 transitions. [2018-09-30 21:39:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2275 states and 4545 transitions. [2018-09-30 21:39:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4547 states to 2276 states and 4547 transitions. [2018-09-30 21:39:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2276 states and 4547 transitions. [2018-09-30 21:39:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4549 states to 2277 states and 4549 transitions. [2018-09-30 21:39:51,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2277 states and 4549 transitions. [2018-09-30 21:39:51,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4551 states to 2278 states and 4551 transitions. [2018-09-30 21:39:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 4551 transitions. [2018-09-30 21:39:51,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 2279 states and 4553 transitions. [2018-09-30 21:39:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2279 states and 4553 transitions. [2018-09-30 21:39:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,591 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4555 states to 2280 states and 4555 transitions. [2018-09-30 21:39:51,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2280 states and 4555 transitions. [2018-09-30 21:39:51,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 2281 states and 4557 transitions. [2018-09-30 21:39:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 4557 transitions. [2018-09-30 21:39:51,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 2282 states and 4559 transitions. [2018-09-30 21:39:51,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2282 states and 4559 transitions. [2018-09-30 21:39:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:51,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:51,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4561 states to 2283 states and 4561 transitions. [2018-09-30 21:39:52,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 4561 transitions. [2018-09-30 21:39:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4563 states to 2284 states and 4563 transitions. [2018-09-30 21:39:52,151 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 4563 transitions. [2018-09-30 21:39:52,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,156 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4565 states to 2285 states and 4565 transitions. [2018-09-30 21:39:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 2285 states and 4565 transitions. [2018-09-30 21:39:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 2286 states and 4567 transitions. [2018-09-30 21:39:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 4567 transitions. [2018-09-30 21:39:52,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4569 states to 2287 states and 4569 transitions. [2018-09-30 21:39:52,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 4569 transitions. [2018-09-30 21:39:52,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4571 states to 2288 states and 4571 transitions. [2018-09-30 21:39:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 4571 transitions. [2018-09-30 21:39:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4573 states to 2289 states and 4573 transitions. [2018-09-30 21:39:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 4573 transitions. [2018-09-30 21:39:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,713 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4575 states to 2290 states and 4575 transitions. [2018-09-30 21:39:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 4575 transitions. [2018-09-30 21:39:52,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4577 states to 2291 states and 4577 transitions. [2018-09-30 21:39:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2291 states and 4577 transitions. [2018-09-30 21:39:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:52,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:52,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 2292 states and 4579 transitions. [2018-09-30 21:39:53,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 4579 transitions. [2018-09-30 21:39:53,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 2293 states and 4581 transitions. [2018-09-30 21:39:53,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 4581 transitions. [2018-09-30 21:39:53,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 2294 states and 4583 transitions. [2018-09-30 21:39:53,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 4583 transitions. [2018-09-30 21:39:53,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 2295 states and 4585 transitions. [2018-09-30 21:39:53,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2295 states and 4585 transitions. [2018-09-30 21:39:53,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4587 states to 2296 states and 4587 transitions. [2018-09-30 21:39:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 4587 transitions. [2018-09-30 21:39:53,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 2297 states and 4589 transitions. [2018-09-30 21:39:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 4589 transitions. [2018-09-30 21:39:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4591 states to 2298 states and 4591 transitions. [2018-09-30 21:39:53,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 4591 transitions. [2018-09-30 21:39:53,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4593 states to 2299 states and 4593 transitions. [2018-09-30 21:39:53,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 4593 transitions. [2018-09-30 21:39:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,852 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4595 states to 2300 states and 4595 transitions. [2018-09-30 21:39:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 4595 transitions. [2018-09-30 21:39:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:53,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:53,971 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4597 states to 2301 states and 4597 transitions. [2018-09-30 21:39:54,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 4597 transitions. [2018-09-30 21:39:54,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4599 states to 2302 states and 4599 transitions. [2018-09-30 21:39:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 4599 transitions. [2018-09-30 21:39:54,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4601 states to 2303 states and 4601 transitions. [2018-09-30 21:39:54,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2303 states and 4601 transitions. [2018-09-30 21:39:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4603 states to 2304 states and 4603 transitions. [2018-09-30 21:39:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 4603 transitions. [2018-09-30 21:39:54,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,421 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4605 states to 2305 states and 4605 transitions. [2018-09-30 21:39:54,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 4605 transitions. [2018-09-30 21:39:54,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4607 states to 2306 states and 4607 transitions. [2018-09-30 21:39:54,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2306 states and 4607 transitions. [2018-09-30 21:39:54,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 2307 states and 4609 transitions. [2018-09-30 21:39:54,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 4609 transitions. [2018-09-30 21:39:54,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4611 states to 2308 states and 4611 transitions. [2018-09-30 21:39:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 4611 transitions. [2018-09-30 21:39:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:54,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4613 states to 2309 states and 4613 transitions. [2018-09-30 21:39:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 4613 transitions. [2018-09-30 21:39:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:54,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:54,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4615 states to 2310 states and 4615 transitions. [2018-09-30 21:39:55,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2310 states and 4615 transitions. [2018-09-30 21:39:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4617 states to 2311 states and 4617 transitions. [2018-09-30 21:39:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2311 states and 4617 transitions. [2018-09-30 21:39:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4619 states to 2312 states and 4619 transitions. [2018-09-30 21:39:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 4619 transitions. [2018-09-30 21:39:55,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4621 states to 2313 states and 4621 transitions. [2018-09-30 21:39:55,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 4621 transitions. [2018-09-30 21:39:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4623 states to 2314 states and 4623 transitions. [2018-09-30 21:39:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 4623 transitions. [2018-09-30 21:39:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4625 states to 2315 states and 4625 transitions. [2018-09-30 21:39:55,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2315 states and 4625 transitions. [2018-09-30 21:39:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4627 states to 2316 states and 4627 transitions. [2018-09-30 21:39:55,795 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 4627 transitions. [2018-09-30 21:39:55,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4629 states to 2317 states and 4629 transitions. [2018-09-30 21:39:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 4629 transitions. [2018-09-30 21:39:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:55,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:55,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4631 states to 2318 states and 4631 transitions. [2018-09-30 21:39:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 4631 transitions. [2018-09-30 21:39:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4633 states to 2319 states and 4633 transitions. [2018-09-30 21:39:56,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 4633 transitions. [2018-09-30 21:39:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,150 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4635 states to 2320 states and 4635 transitions. [2018-09-30 21:39:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 4635 transitions. [2018-09-30 21:39:56,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,269 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 2321 states and 4637 transitions. [2018-09-30 21:39:56,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2321 states and 4637 transitions. [2018-09-30 21:39:56,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4639 states to 2322 states and 4639 transitions. [2018-09-30 21:39:56,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2322 states and 4639 transitions. [2018-09-30 21:39:56,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,493 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4641 states to 2323 states and 4641 transitions. [2018-09-30 21:39:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 4641 transitions. [2018-09-30 21:39:56,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4643 states to 2324 states and 4643 transitions. [2018-09-30 21:39:56,710 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 4643 transitions. [2018-09-30 21:39:56,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4645 states to 2325 states and 4645 transitions. [2018-09-30 21:39:56,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 4645 transitions. [2018-09-30 21:39:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:56,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 2326 states and 4647 transitions. [2018-09-30 21:39:56,942 INFO L276 IsEmpty]: Start isEmpty. Operand 2326 states and 4647 transitions. [2018-09-30 21:39:56,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:56,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:56,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:56,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:56,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4649 states to 2327 states and 4649 transitions. [2018-09-30 21:39:57,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2327 states and 4649 transitions. [2018-09-30 21:39:57,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4651 states to 2328 states and 4651 transitions. [2018-09-30 21:39:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 4651 transitions. [2018-09-30 21:39:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 2329 states and 4653 transitions. [2018-09-30 21:39:57,300 INFO L276 IsEmpty]: Start isEmpty. Operand 2329 states and 4653 transitions. [2018-09-30 21:39:57,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4655 states to 2330 states and 4655 transitions. [2018-09-30 21:39:57,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 4655 transitions. [2018-09-30 21:39:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,420 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4657 states to 2331 states and 4657 transitions. [2018-09-30 21:39:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 4657 transitions. [2018-09-30 21:39:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4659 states to 2332 states and 4659 transitions. [2018-09-30 21:39:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 4659 transitions. [2018-09-30 21:39:57,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,649 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4661 states to 2333 states and 4661 transitions. [2018-09-30 21:39:57,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 4661 transitions. [2018-09-30 21:39:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,763 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4663 states to 2334 states and 4663 transitions. [2018-09-30 21:39:57,870 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 4663 transitions. [2018-09-30 21:39:57,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:57,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:57,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4665 states to 2335 states and 4665 transitions. [2018-09-30 21:39:57,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2335 states and 4665 transitions. [2018-09-30 21:39:57,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:57,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:57,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4667 states to 2336 states and 4667 transitions. [2018-09-30 21:39:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2336 states and 4667 transitions. [2018-09-30 21:39:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4669 states to 2337 states and 4669 transitions. [2018-09-30 21:39:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 4669 transitions. [2018-09-30 21:39:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4671 states to 2338 states and 4671 transitions. [2018-09-30 21:39:58,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 4671 transitions. [2018-09-30 21:39:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4673 states to 2339 states and 4673 transitions. [2018-09-30 21:39:58,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 4673 transitions. [2018-09-30 21:39:58,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 2340 states and 4675 transitions. [2018-09-30 21:39:58,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 4675 transitions. [2018-09-30 21:39:58,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 2341 states and 4677 transitions. [2018-09-30 21:39:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 4677 transitions. [2018-09-30 21:39:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,685 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4679 states to 2342 states and 4679 transitions. [2018-09-30 21:39:58,796 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 4679 transitions. [2018-09-30 21:39:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:58,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4681 states to 2343 states and 4681 transitions. [2018-09-30 21:39:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 4681 transitions. [2018-09-30 21:39:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:58,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:58,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:58,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4683 states to 2344 states and 4683 transitions. [2018-09-30 21:39:59,045 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 4683 transitions. [2018-09-30 21:39:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4685 states to 2345 states and 4685 transitions. [2018-09-30 21:39:59,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 4685 transitions. [2018-09-30 21:39:59,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,167 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 2346 states and 4687 transitions. [2018-09-30 21:39:59,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2346 states and 4687 transitions. [2018-09-30 21:39:59,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,280 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4689 states to 2347 states and 4689 transitions. [2018-09-30 21:39:59,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 4689 transitions. [2018-09-30 21:39:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,407 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 2348 states and 4691 transitions. [2018-09-30 21:39:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 4691 transitions. [2018-09-30 21:39:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,506 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 2349 states and 4693 transitions. [2018-09-30 21:39:59,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 4693 transitions. [2018-09-30 21:39:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,620 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 2350 states and 4695 transitions. [2018-09-30 21:39:59,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 4695 transitions. [2018-09-30 21:39:59,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 2351 states and 4697 transitions. [2018-09-30 21:39:59,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 4697 transitions. [2018-09-30 21:39:59,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:39:59,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:39:59,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 2352 states and 4699 transitions. [2018-09-30 21:39:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 4699 transitions. [2018-09-30 21:39:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:39:59,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:39:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:39:59,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:39:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 2353 states and 4701 transitions. [2018-09-30 21:40:00,079 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 4701 transitions. [2018-09-30 21:40:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4703 states to 2354 states and 4703 transitions. [2018-09-30 21:40:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 4703 transitions. [2018-09-30 21:40:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4705 states to 2355 states and 4705 transitions. [2018-09-30 21:40:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 4705 transitions. [2018-09-30 21:40:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 2356 states and 4707 transitions. [2018-09-30 21:40:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 4707 transitions. [2018-09-30 21:40:00,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 2357 states and 4709 transitions. [2018-09-30 21:40:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 4709 transitions. [2018-09-30 21:40:00,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 2358 states and 4711 transitions. [2018-09-30 21:40:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 4711 transitions. [2018-09-30 21:40:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4713 states to 2359 states and 4713 transitions. [2018-09-30 21:40:00,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 4713 transitions. [2018-09-30 21:40:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:00,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:00,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 2360 states and 4715 transitions. [2018-09-30 21:40:00,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 4715 transitions. [2018-09-30 21:40:00,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:00,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:00,897 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 2361 states and 4717 transitions. [2018-09-30 21:40:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 4717 transitions. [2018-09-30 21:40:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,016 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4719 states to 2362 states and 4719 transitions. [2018-09-30 21:40:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 4719 transitions. [2018-09-30 21:40:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 2363 states and 4721 transitions. [2018-09-30 21:40:01,236 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 4721 transitions. [2018-09-30 21:40:01,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4723 states to 2364 states and 4723 transitions. [2018-09-30 21:40:01,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 4723 transitions. [2018-09-30 21:40:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4725 states to 2365 states and 4725 transitions. [2018-09-30 21:40:01,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 4725 transitions. [2018-09-30 21:40:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4727 states to 2366 states and 4727 transitions. [2018-09-30 21:40:01,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 4727 transitions. [2018-09-30 21:40:01,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4729 states to 2367 states and 4729 transitions. [2018-09-30 21:40:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 4729 transitions. [2018-09-30 21:40:01,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4731 states to 2368 states and 4731 transitions. [2018-09-30 21:40:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 4731 transitions. [2018-09-30 21:40:01,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:01,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4733 states to 2369 states and 4733 transitions. [2018-09-30 21:40:01,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 4733 transitions. [2018-09-30 21:40:01,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:01,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:01,944 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:01,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4735 states to 2370 states and 4735 transitions. [2018-09-30 21:40:02,051 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 4735 transitions. [2018-09-30 21:40:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 2371 states and 4737 transitions. [2018-09-30 21:40:02,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 4737 transitions. [2018-09-30 21:40:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,176 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4739 states to 2372 states and 4739 transitions. [2018-09-30 21:40:02,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 4739 transitions. [2018-09-30 21:40:02,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,293 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4741 states to 2373 states and 4741 transitions. [2018-09-30 21:40:02,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2373 states and 4741 transitions. [2018-09-30 21:40:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 2374 states and 4743 transitions. [2018-09-30 21:40:02,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2374 states and 4743 transitions. [2018-09-30 21:40:02,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 2375 states and 4745 transitions. [2018-09-30 21:40:02,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2375 states and 4745 transitions. [2018-09-30 21:40:02,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4747 states to 2376 states and 4747 transitions. [2018-09-30 21:40:02,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 4747 transitions. [2018-09-30 21:40:02,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,754 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 2377 states and 4749 transitions. [2018-09-30 21:40:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 4749 transitions. [2018-09-30 21:40:02,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4751 states to 2378 states and 4751 transitions. [2018-09-30 21:40:02,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2378 states and 4751 transitions. [2018-09-30 21:40:02,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:02,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:02,983 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4753 states to 2379 states and 4753 transitions. [2018-09-30 21:40:03,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2379 states and 4753 transitions. [2018-09-30 21:40:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,098 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4755 states to 2380 states and 4755 transitions. [2018-09-30 21:40:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 4755 transitions. [2018-09-30 21:40:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,213 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 2381 states and 4757 transitions. [2018-09-30 21:40:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 4757 transitions. [2018-09-30 21:40:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,333 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4759 states to 2382 states and 4759 transitions. [2018-09-30 21:40:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 4759 transitions. [2018-09-30 21:40:03,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4761 states to 2383 states and 4761 transitions. [2018-09-30 21:40:03,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 4761 transitions. [2018-09-30 21:40:03,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,575 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4763 states to 2384 states and 4763 transitions. [2018-09-30 21:40:03,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4763 transitions. [2018-09-30 21:40:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4765 states to 2385 states and 4765 transitions. [2018-09-30 21:40:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 4765 transitions. [2018-09-30 21:40:03,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:03,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 2386 states and 4767 transitions. [2018-09-30 21:40:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 4767 transitions. [2018-09-30 21:40:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:03,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:03,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:03,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 2387 states and 4769 transitions. [2018-09-30 21:40:04,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 4769 transitions. [2018-09-30 21:40:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4771 states to 2388 states and 4771 transitions. [2018-09-30 21:40:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 4771 transitions. [2018-09-30 21:40:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4773 states to 2389 states and 4773 transitions. [2018-09-30 21:40:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 4773 transitions. [2018-09-30 21:40:04,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,272 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4775 states to 2390 states and 4775 transitions. [2018-09-30 21:40:04,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2390 states and 4775 transitions. [2018-09-30 21:40:04,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4777 states to 2391 states and 4777 transitions. [2018-09-30 21:40:04,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2391 states and 4777 transitions. [2018-09-30 21:40:04,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,513 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4779 states to 2392 states and 4779 transitions. [2018-09-30 21:40:04,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 4779 transitions. [2018-09-30 21:40:04,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4781 states to 2393 states and 4781 transitions. [2018-09-30 21:40:04,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 4781 transitions. [2018-09-30 21:40:04,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4783 states to 2394 states and 4783 transitions. [2018-09-30 21:40:04,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 4783 transitions. [2018-09-30 21:40:04,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,866 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:04,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:04,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4785 states to 2395 states and 4785 transitions. [2018-09-30 21:40:04,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4785 transitions. [2018-09-30 21:40:04,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:04,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:04,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4787 states to 2396 states and 4787 transitions. [2018-09-30 21:40:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 4787 transitions. [2018-09-30 21:40:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4789 states to 2397 states and 4789 transitions. [2018-09-30 21:40:05,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2397 states and 4789 transitions. [2018-09-30 21:40:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4791 states to 2398 states and 4791 transitions. [2018-09-30 21:40:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2398 states and 4791 transitions. [2018-09-30 21:40:05,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4793 states to 2399 states and 4793 transitions. [2018-09-30 21:40:05,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 4793 transitions. [2018-09-30 21:40:05,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4795 states to 2400 states and 4795 transitions. [2018-09-30 21:40:05,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 4795 transitions. [2018-09-30 21:40:05,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4797 states to 2401 states and 4797 transitions. [2018-09-30 21:40:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 4797 transitions. [2018-09-30 21:40:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,678 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4799 states to 2402 states and 4799 transitions. [2018-09-30 21:40:05,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 4799 transitions. [2018-09-30 21:40:05,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:05,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4801 states to 2403 states and 4801 transitions. [2018-09-30 21:40:05,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 4801 transitions. [2018-09-30 21:40:05,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:05,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:05,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4803 states to 2404 states and 4803 transitions. [2018-09-30 21:40:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 4803 transitions. [2018-09-30 21:40:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,032 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 2405 states and 4805 transitions. [2018-09-30 21:40:06,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 4805 transitions. [2018-09-30 21:40:06,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4807 states to 2406 states and 4807 transitions. [2018-09-30 21:40:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4807 transitions. [2018-09-30 21:40:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,268 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4809 states to 2407 states and 4809 transitions. [2018-09-30 21:40:06,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2407 states and 4809 transitions. [2018-09-30 21:40:06,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4811 states to 2408 states and 4811 transitions. [2018-09-30 21:40:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2408 states and 4811 transitions. [2018-09-30 21:40:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4813 states to 2409 states and 4813 transitions. [2018-09-30 21:40:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 4813 transitions. [2018-09-30 21:40:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4815 states to 2410 states and 4815 transitions. [2018-09-30 21:40:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 4815 transitions. [2018-09-30 21:40:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,735 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 2411 states and 4817 transitions. [2018-09-30 21:40:06,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2411 states and 4817 transitions. [2018-09-30 21:40:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 2412 states and 4819 transitions. [2018-09-30 21:40:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 4819 transitions. [2018-09-30 21:40:06,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:06,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:06,965 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 2413 states and 4821 transitions. [2018-09-30 21:40:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2413 states and 4821 transitions. [2018-09-30 21:40:07,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 2414 states and 4823 transitions. [2018-09-30 21:40:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2414 states and 4823 transitions. [2018-09-30 21:40:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,201 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4825 states to 2415 states and 4825 transitions. [2018-09-30 21:40:07,314 INFO L276 IsEmpty]: Start isEmpty. Operand 2415 states and 4825 transitions. [2018-09-30 21:40:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4827 states to 2416 states and 4827 transitions. [2018-09-30 21:40:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 4827 transitions. [2018-09-30 21:40:07,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 2417 states and 4829 transitions. [2018-09-30 21:40:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 4829 transitions. [2018-09-30 21:40:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4831 states to 2418 states and 4831 transitions. [2018-09-30 21:40:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 4831 transitions. [2018-09-30 21:40:07,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4833 states to 2419 states and 4833 transitions. [2018-09-30 21:40:07,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 4833 transitions. [2018-09-30 21:40:07,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,792 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:07,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4835 states to 2420 states and 4835 transitions. [2018-09-30 21:40:07,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 4835 transitions. [2018-09-30 21:40:07,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:07,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:07,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4837 states to 2421 states and 4837 transitions. [2018-09-30 21:40:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 4837 transitions. [2018-09-30 21:40:08,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4839 states to 2422 states and 4839 transitions. [2018-09-30 21:40:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 4839 transitions. [2018-09-30 21:40:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4841 states to 2423 states and 4841 transitions. [2018-09-30 21:40:08,250 INFO L276 IsEmpty]: Start isEmpty. Operand 2423 states and 4841 transitions. [2018-09-30 21:40:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4843 states to 2424 states and 4843 transitions. [2018-09-30 21:40:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 4843 transitions. [2018-09-30 21:40:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,380 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4845 states to 2425 states and 4845 transitions. [2018-09-30 21:40:08,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2425 states and 4845 transitions. [2018-09-30 21:40:08,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 2426 states and 4847 transitions. [2018-09-30 21:40:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 4847 transitions. [2018-09-30 21:40:08,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4849 states to 2427 states and 4849 transitions. [2018-09-30 21:40:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 4849 transitions. [2018-09-30 21:40:08,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4851 states to 2428 states and 4851 transitions. [2018-09-30 21:40:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 4851 transitions. [2018-09-30 21:40:08,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 2429 states and 4853 transitions. [2018-09-30 21:40:08,957 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 4853 transitions. [2018-09-30 21:40:08,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:08,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:08,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:08,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:08,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 2430 states and 4855 transitions. [2018-09-30 21:40:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 4855 transitions. [2018-09-30 21:40:09,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4857 states to 2431 states and 4857 transitions. [2018-09-30 21:40:09,202 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 4857 transitions. [2018-09-30 21:40:09,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4859 states to 2432 states and 4859 transitions. [2018-09-30 21:40:09,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 4859 transitions. [2018-09-30 21:40:09,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,322 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4861 states to 2433 states and 4861 transitions. [2018-09-30 21:40:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2433 states and 4861 transitions. [2018-09-30 21:40:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4863 states to 2434 states and 4863 transitions. [2018-09-30 21:40:09,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 4863 transitions. [2018-09-30 21:40:09,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4865 states to 2435 states and 4865 transitions. [2018-09-30 21:40:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 4865 transitions. [2018-09-30 21:40:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4867 states to 2436 states and 4867 transitions. [2018-09-30 21:40:09,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 4867 transitions. [2018-09-30 21:40:09,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,809 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:09,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:09,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4869 states to 2437 states and 4869 transitions. [2018-09-30 21:40:09,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2437 states and 4869 transitions. [2018-09-30 21:40:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:09,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:09,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4871 states to 2438 states and 4871 transitions. [2018-09-30 21:40:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2438 states and 4871 transitions. [2018-09-30 21:40:10,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 2439 states and 4873 transitions. [2018-09-30 21:40:10,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 4873 transitions. [2018-09-30 21:40:10,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4875 states to 2440 states and 4875 transitions. [2018-09-30 21:40:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 4875 transitions. [2018-09-30 21:40:10,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,286 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4877 states to 2441 states and 4877 transitions. [2018-09-30 21:40:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2441 states and 4877 transitions. [2018-09-30 21:40:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,403 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 2442 states and 4879 transitions. [2018-09-30 21:40:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2442 states and 4879 transitions. [2018-09-30 21:40:10,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 2443 states and 4881 transitions. [2018-09-30 21:40:10,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 4881 transitions. [2018-09-30 21:40:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 2444 states and 4883 transitions. [2018-09-30 21:40:10,755 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 4883 transitions. [2018-09-30 21:40:10,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,761 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4885 states to 2445 states and 4885 transitions. [2018-09-30 21:40:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 4885 transitions. [2018-09-30 21:40:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:10,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4887 states to 2446 states and 4887 transitions. [2018-09-30 21:40:10,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 4887 transitions. [2018-09-30 21:40:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:10,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:10,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4889 states to 2447 states and 4889 transitions. [2018-09-30 21:40:11,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2447 states and 4889 transitions. [2018-09-30 21:40:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 2448 states and 4891 transitions. [2018-09-30 21:40:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 4891 transitions. [2018-09-30 21:40:11,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,234 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4893 states to 2449 states and 4893 transitions. [2018-09-30 21:40:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 4893 transitions. [2018-09-30 21:40:11,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,347 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4895 states to 2450 states and 4895 transitions. [2018-09-30 21:40:11,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2450 states and 4895 transitions. [2018-09-30 21:40:11,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4897 states to 2451 states and 4897 transitions. [2018-09-30 21:40:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2451 states and 4897 transitions. [2018-09-30 21:40:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 2452 states and 4899 transitions. [2018-09-30 21:40:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 4899 transitions. [2018-09-30 21:40:11,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4901 states to 2453 states and 4901 transitions. [2018-09-30 21:40:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2453 states and 4901 transitions. [2018-09-30 21:40:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:11,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:11,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4903 states to 2454 states and 4903 transitions. [2018-09-30 21:40:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2454 states and 4903 transitions. [2018-09-30 21:40:11,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:11,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:11,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4905 states to 2455 states and 4905 transitions. [2018-09-30 21:40:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2455 states and 4905 transitions. [2018-09-30 21:40:12,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 2456 states and 4907 transitions. [2018-09-30 21:40:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 4907 transitions. [2018-09-30 21:40:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4909 states to 2457 states and 4909 transitions. [2018-09-30 21:40:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4909 transitions. [2018-09-30 21:40:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,302 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 2458 states and 4911 transitions. [2018-09-30 21:40:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 4911 transitions. [2018-09-30 21:40:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4913 states to 2459 states and 4913 transitions. [2018-09-30 21:40:12,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 4913 transitions. [2018-09-30 21:40:12,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,543 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4915 states to 2460 states and 4915 transitions. [2018-09-30 21:40:12,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 4915 transitions. [2018-09-30 21:40:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,663 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4917 states to 2461 states and 4917 transitions. [2018-09-30 21:40:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 4917 transitions. [2018-09-30 21:40:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:12,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:12,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 2462 states and 4919 transitions. [2018-09-30 21:40:12,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2462 states and 4919 transitions. [2018-09-30 21:40:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:12,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:12,904 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4921 states to 2463 states and 4921 transitions. [2018-09-30 21:40:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 4921 transitions. [2018-09-30 21:40:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4923 states to 2464 states and 4923 transitions. [2018-09-30 21:40:13,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 4923 transitions. [2018-09-30 21:40:13,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4925 states to 2465 states and 4925 transitions. [2018-09-30 21:40:13,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 4925 transitions. [2018-09-30 21:40:13,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 2466 states and 4927 transitions. [2018-09-30 21:40:13,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2466 states and 4927 transitions. [2018-09-30 21:40:13,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4929 states to 2467 states and 4929 transitions. [2018-09-30 21:40:13,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 4929 transitions. [2018-09-30 21:40:13,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4931 states to 2468 states and 4931 transitions. [2018-09-30 21:40:13,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 4931 transitions. [2018-09-30 21:40:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4933 states to 2469 states and 4933 transitions. [2018-09-30 21:40:13,723 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 4933 transitions. [2018-09-30 21:40:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4935 states to 2470 states and 4935 transitions. [2018-09-30 21:40:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 4935 transitions. [2018-09-30 21:40:13,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4937 states to 2471 states and 4937 transitions. [2018-09-30 21:40:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 4937 transitions. [2018-09-30 21:40:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:13,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:13,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4939 states to 2472 states and 4939 transitions. [2018-09-30 21:40:14,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2472 states and 4939 transitions. [2018-09-30 21:40:14,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,091 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4941 states to 2473 states and 4941 transitions. [2018-09-30 21:40:14,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 4941 transitions. [2018-09-30 21:40:14,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,206 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4943 states to 2474 states and 4943 transitions. [2018-09-30 21:40:14,322 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 4943 transitions. [2018-09-30 21:40:14,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4945 states to 2475 states and 4945 transitions. [2018-09-30 21:40:14,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 4945 transitions. [2018-09-30 21:40:14,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 2476 states and 4947 transitions. [2018-09-30 21:40:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 4947 transitions. [2018-09-30 21:40:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4949 states to 2477 states and 4949 transitions. [2018-09-30 21:40:14,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2477 states and 4949 transitions. [2018-09-30 21:40:14,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4951 states to 2478 states and 4951 transitions. [2018-09-30 21:40:14,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 4951 transitions. [2018-09-30 21:40:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,797 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:14,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 2479 states and 4953 transitions. [2018-09-30 21:40:14,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 4953 transitions. [2018-09-30 21:40:14,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:14,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:14,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4955 states to 2480 states and 4955 transitions. [2018-09-30 21:40:15,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2480 states and 4955 transitions. [2018-09-30 21:40:15,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4957 states to 2481 states and 4957 transitions. [2018-09-30 21:40:15,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 4957 transitions. [2018-09-30 21:40:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,160 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 2482 states and 4959 transitions. [2018-09-30 21:40:15,272 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 4959 transitions. [2018-09-30 21:40:15,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4961 states to 2483 states and 4961 transitions. [2018-09-30 21:40:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 4961 transitions. [2018-09-30 21:40:15,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,410 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4963 states to 2484 states and 4963 transitions. [2018-09-30 21:40:15,512 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 4963 transitions. [2018-09-30 21:40:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4965 states to 2485 states and 4965 transitions. [2018-09-30 21:40:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2485 states and 4965 transitions. [2018-09-30 21:40:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4967 states to 2486 states and 4967 transitions. [2018-09-30 21:40:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 4967 transitions. [2018-09-30 21:40:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4969 states to 2487 states and 4969 transitions. [2018-09-30 21:40:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 4969 transitions. [2018-09-30 21:40:15,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:15,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:15,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4971 states to 2488 states and 4971 transitions. [2018-09-30 21:40:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 4971 transitions. [2018-09-30 21:40:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:15,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:15,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4973 states to 2489 states and 4973 transitions. [2018-09-30 21:40:16,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2489 states and 4973 transitions. [2018-09-30 21:40:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4975 states to 2490 states and 4975 transitions. [2018-09-30 21:40:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4975 transitions. [2018-09-30 21:40:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4977 states to 2491 states and 4977 transitions. [2018-09-30 21:40:16,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 4977 transitions. [2018-09-30 21:40:16,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4979 states to 2492 states and 4979 transitions. [2018-09-30 21:40:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 4979 transitions. [2018-09-30 21:40:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4981 states to 2493 states and 4981 transitions. [2018-09-30 21:40:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 4981 transitions. [2018-09-30 21:40:16,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,601 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4983 states to 2494 states and 4983 transitions. [2018-09-30 21:40:16,712 INFO L276 IsEmpty]: Start isEmpty. Operand 2494 states and 4983 transitions. [2018-09-30 21:40:16,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 2495 states and 4985 transitions. [2018-09-30 21:40:16,828 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 4985 transitions. [2018-09-30 21:40:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:16,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4987 states to 2496 states and 4987 transitions. [2018-09-30 21:40:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 4987 transitions. [2018-09-30 21:40:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:16,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:16,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 2497 states and 4989 transitions. [2018-09-30 21:40:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 4989 transitions. [2018-09-30 21:40:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4991 states to 2498 states and 4991 transitions. [2018-09-30 21:40:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 4991 transitions. [2018-09-30 21:40:17,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4993 states to 2499 states and 4993 transitions. [2018-09-30 21:40:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 4993 transitions. [2018-09-30 21:40:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4995 states to 2500 states and 4995 transitions. [2018-09-30 21:40:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 4995 transitions. [2018-09-30 21:40:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 2501 states and 4997 transitions. [2018-09-30 21:40:17,541 INFO L276 IsEmpty]: Start isEmpty. Operand 2501 states and 4997 transitions. [2018-09-30 21:40:17,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4999 states to 2502 states and 4999 transitions. [2018-09-30 21:40:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2502 states and 4999 transitions. [2018-09-30 21:40:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,667 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 2503 states and 5001 transitions. [2018-09-30 21:40:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2503 states and 5001 transitions. [2018-09-30 21:40:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5003 states to 2504 states and 5003 transitions. [2018-09-30 21:40:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 5003 transitions. [2018-09-30 21:40:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:17,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:17,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:17,923 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5005 states to 2505 states and 5005 transitions. [2018-09-30 21:40:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 2505 states and 5005 transitions. [2018-09-30 21:40:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5007 states to 2506 states and 5007 transitions. [2018-09-30 21:40:18,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 5007 transitions. [2018-09-30 21:40:18,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,146 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5009 states to 2507 states and 5009 transitions. [2018-09-30 21:40:18,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 5009 transitions. [2018-09-30 21:40:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5011 states to 2508 states and 5011 transitions. [2018-09-30 21:40:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 2508 states and 5011 transitions. [2018-09-30 21:40:18,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 2509 states and 5013 transitions. [2018-09-30 21:40:18,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2509 states and 5013 transitions. [2018-09-30 21:40:18,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 2510 states and 5015 transitions. [2018-09-30 21:40:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2510 states and 5015 transitions. [2018-09-30 21:40:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5017 states to 2511 states and 5017 transitions. [2018-09-30 21:40:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 5017 transitions. [2018-09-30 21:40:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5019 states to 2512 states and 5019 transitions. [2018-09-30 21:40:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2512 states and 5019 transitions. [2018-09-30 21:40:18,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:18,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:18,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:18,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5021 states to 2513 states and 5021 transitions. [2018-09-30 21:40:18,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2513 states and 5021 transitions. [2018-09-30 21:40:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5023 states to 2514 states and 5023 transitions. [2018-09-30 21:40:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 5023 transitions. [2018-09-30 21:40:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,130 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5025 states to 2515 states and 5025 transitions. [2018-09-30 21:40:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 5025 transitions. [2018-09-30 21:40:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5027 states to 2516 states and 5027 transitions. [2018-09-30 21:40:19,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2516 states and 5027 transitions. [2018-09-30 21:40:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,381 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5029 states to 2517 states and 5029 transitions. [2018-09-30 21:40:19,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2517 states and 5029 transitions. [2018-09-30 21:40:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5031 states to 2518 states and 5031 transitions. [2018-09-30 21:40:19,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2518 states and 5031 transitions. [2018-09-30 21:40:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 2519 states and 5033 transitions. [2018-09-30 21:40:19,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 5033 transitions. [2018-09-30 21:40:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5035 states to 2520 states and 5035 transitions. [2018-09-30 21:40:19,868 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 5035 transitions. [2018-09-30 21:40:19,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:19,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:19,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:19,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5037 states to 2521 states and 5037 transitions. [2018-09-30 21:40:19,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 5037 transitions. [2018-09-30 21:40:19,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:19,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:19,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5039 states to 2522 states and 5039 transitions. [2018-09-30 21:40:20,107 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 5039 transitions. [2018-09-30 21:40:20,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5041 states to 2523 states and 5041 transitions. [2018-09-30 21:40:20,232 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 5041 transitions. [2018-09-30 21:40:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,245 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 2524 states and 5043 transitions. [2018-09-30 21:40:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2524 states and 5043 transitions. [2018-09-30 21:40:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,362 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5045 states to 2525 states and 5045 transitions. [2018-09-30 21:40:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 5045 transitions. [2018-09-30 21:40:20,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5047 states to 2526 states and 5047 transitions. [2018-09-30 21:40:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 5047 transitions. [2018-09-30 21:40:20,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5049 states to 2527 states and 5049 transitions. [2018-09-30 21:40:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2527 states and 5049 transitions. [2018-09-30 21:40:20,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5051 states to 2528 states and 5051 transitions. [2018-09-30 21:40:20,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 5051 transitions. [2018-09-30 21:40:20,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:20,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:20,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5053 states to 2529 states and 5053 transitions. [2018-09-30 21:40:20,964 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 5053 transitions. [2018-09-30 21:40:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:20,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:20,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5055 states to 2530 states and 5055 transitions. [2018-09-30 21:40:21,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 5055 transitions. [2018-09-30 21:40:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5057 states to 2531 states and 5057 transitions. [2018-09-30 21:40:21,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 5057 transitions. [2018-09-30 21:40:21,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,215 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5059 states to 2532 states and 5059 transitions. [2018-09-30 21:40:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 5059 transitions. [2018-09-30 21:40:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5061 states to 2533 states and 5061 transitions. [2018-09-30 21:40:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 5061 transitions. [2018-09-30 21:40:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,457 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5063 states to 2534 states and 5063 transitions. [2018-09-30 21:40:21,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2534 states and 5063 transitions. [2018-09-30 21:40:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5065 states to 2535 states and 5065 transitions. [2018-09-30 21:40:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2535 states and 5065 transitions. [2018-09-30 21:40:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,704 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5067 states to 2536 states and 5067 transitions. [2018-09-30 21:40:21,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 5067 transitions. [2018-09-30 21:40:21,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,824 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:21,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:21,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5069 states to 2537 states and 5069 transitions. [2018-09-30 21:40:21,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 5069 transitions. [2018-09-30 21:40:21,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:21,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:21,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:21,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 2538 states and 5071 transitions. [2018-09-30 21:40:22,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2538 states and 5071 transitions. [2018-09-30 21:40:22,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5073 states to 2539 states and 5073 transitions. [2018-09-30 21:40:22,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 5073 transitions. [2018-09-30 21:40:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5075 states to 2540 states and 5075 transitions. [2018-09-30 21:40:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2540 states and 5075 transitions. [2018-09-30 21:40:22,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5077 states to 2541 states and 5077 transitions. [2018-09-30 21:40:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2541 states and 5077 transitions. [2018-09-30 21:40:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5079 states to 2542 states and 5079 transitions. [2018-09-30 21:40:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 5079 transitions. [2018-09-30 21:40:22,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5081 states to 2543 states and 5081 transitions. [2018-09-30 21:40:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 5081 transitions. [2018-09-30 21:40:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5083 states to 2544 states and 5083 transitions. [2018-09-30 21:40:22,801 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 5083 transitions. [2018-09-30 21:40:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:22,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:22,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5085 states to 2545 states and 5085 transitions. [2018-09-30 21:40:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 5085 transitions. [2018-09-30 21:40:22,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:22,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:22,930 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 2546 states and 5087 transitions. [2018-09-30 21:40:23,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 5087 transitions. [2018-09-30 21:40:23,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5089 states to 2547 states and 5089 transitions. [2018-09-30 21:40:23,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2547 states and 5089 transitions. [2018-09-30 21:40:23,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,173 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 2548 states and 5091 transitions. [2018-09-30 21:40:23,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 5091 transitions. [2018-09-30 21:40:23,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5093 states to 2549 states and 5093 transitions. [2018-09-30 21:40:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 5093 transitions. [2018-09-30 21:40:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,407 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5095 states to 2550 states and 5095 transitions. [2018-09-30 21:40:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 5095 transitions. [2018-09-30 21:40:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5097 states to 2551 states and 5097 transitions. [2018-09-30 21:40:23,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 5097 transitions. [2018-09-30 21:40:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,654 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 2552 states and 5099 transitions. [2018-09-30 21:40:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 5099 transitions. [2018-09-30 21:40:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5101 states to 2553 states and 5101 transitions. [2018-09-30 21:40:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 5101 transitions. [2018-09-30 21:40:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:23,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:23,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:23,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 2554 states and 5103 transitions. [2018-09-30 21:40:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 5103 transitions. [2018-09-30 21:40:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 2555 states and 5105 transitions. [2018-09-30 21:40:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 5105 transitions. [2018-09-30 21:40:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5107 states to 2556 states and 5107 transitions. [2018-09-30 21:40:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 5107 transitions. [2018-09-30 21:40:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,286 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5109 states to 2557 states and 5109 transitions. [2018-09-30 21:40:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 5109 transitions. [2018-09-30 21:40:24,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5111 states to 2558 states and 5111 transitions. [2018-09-30 21:40:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2558 states and 5111 transitions. [2018-09-30 21:40:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5113 states to 2559 states and 5113 transitions. [2018-09-30 21:40:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 5113 transitions. [2018-09-30 21:40:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 2560 states and 5115 transitions. [2018-09-30 21:40:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 5115 transitions. [2018-09-30 21:40:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,769 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:24,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5117 states to 2561 states and 5117 transitions. [2018-09-30 21:40:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 5117 transitions. [2018-09-30 21:40:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:24,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:24,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:24,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 2562 states and 5119 transitions. [2018-09-30 21:40:25,023 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 5119 transitions. [2018-09-30 21:40:25,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5121 states to 2563 states and 5121 transitions. [2018-09-30 21:40:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 5121 transitions. [2018-09-30 21:40:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5123 states to 2564 states and 5123 transitions. [2018-09-30 21:40:25,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 5123 transitions. [2018-09-30 21:40:25,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,276 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5125 states to 2565 states and 5125 transitions. [2018-09-30 21:40:25,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 5125 transitions. [2018-09-30 21:40:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5127 states to 2566 states and 5127 transitions. [2018-09-30 21:40:25,523 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 5127 transitions. [2018-09-30 21:40:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 2567 states and 5129 transitions. [2018-09-30 21:40:25,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 5129 transitions. [2018-09-30 21:40:25,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5131 states to 2568 states and 5131 transitions. [2018-09-30 21:40:25,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2568 states and 5131 transitions. [2018-09-30 21:40:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 2569 states and 5133 transitions. [2018-09-30 21:40:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 5133 transitions. [2018-09-30 21:40:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:25,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:25,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5135 states to 2570 states and 5135 transitions. [2018-09-30 21:40:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 5135 transitions. [2018-09-30 21:40:26,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,011 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 2571 states and 5137 transitions. [2018-09-30 21:40:26,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 5137 transitions. [2018-09-30 21:40:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5139 states to 2572 states and 5139 transitions. [2018-09-30 21:40:26,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 5139 transitions. [2018-09-30 21:40:26,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5141 states to 2573 states and 5141 transitions. [2018-09-30 21:40:26,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 5141 transitions. [2018-09-30 21:40:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,387 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5143 states to 2574 states and 5143 transitions. [2018-09-30 21:40:26,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2574 states and 5143 transitions. [2018-09-30 21:40:26,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,511 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5145 states to 2575 states and 5145 transitions. [2018-09-30 21:40:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 5145 transitions. [2018-09-30 21:40:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,633 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 2576 states and 5147 transitions. [2018-09-30 21:40:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 5147 transitions. [2018-09-30 21:40:26,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5149 states to 2577 states and 5149 transitions. [2018-09-30 21:40:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 5149 transitions. [2018-09-30 21:40:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,879 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:26,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:26,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5151 states to 2578 states and 5151 transitions. [2018-09-30 21:40:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 5151 transitions. [2018-09-30 21:40:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:26,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:26,995 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5153 states to 2579 states and 5153 transitions. [2018-09-30 21:40:27,118 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 5153 transitions. [2018-09-30 21:40:27,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 2580 states and 5155 transitions. [2018-09-30 21:40:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2580 states and 5155 transitions. [2018-09-30 21:40:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,251 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5157 states to 2581 states and 5157 transitions. [2018-09-30 21:40:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 5157 transitions. [2018-09-30 21:40:27,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5159 states to 2582 states and 5159 transitions. [2018-09-30 21:40:27,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 5159 transitions. [2018-09-30 21:40:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 2583 states and 5161 transitions. [2018-09-30 21:40:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 2583 states and 5161 transitions. [2018-09-30 21:40:27,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5163 states to 2584 states and 5163 transitions. [2018-09-30 21:40:27,740 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 5163 transitions. [2018-09-30 21:40:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,745 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5165 states to 2585 states and 5165 transitions. [2018-09-30 21:40:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 5165 transitions. [2018-09-30 21:40:27,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,867 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5167 states to 2586 states and 5167 transitions. [2018-09-30 21:40:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2586 states and 5167 transitions. [2018-09-30 21:40:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:27,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:27,996 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 2587 states and 5169 transitions. [2018-09-30 21:40:28,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 5169 transitions. [2018-09-30 21:40:28,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,126 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5171 states to 2588 states and 5171 transitions. [2018-09-30 21:40:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 5171 transitions. [2018-09-30 21:40:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5173 states to 2589 states and 5173 transitions. [2018-09-30 21:40:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 5173 transitions. [2018-09-30 21:40:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,377 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 2590 states and 5175 transitions. [2018-09-30 21:40:28,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2590 states and 5175 transitions. [2018-09-30 21:40:28,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5177 states to 2591 states and 5177 transitions. [2018-09-30 21:40:28,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 5177 transitions. [2018-09-30 21:40:28,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5179 states to 2592 states and 5179 transitions. [2018-09-30 21:40:28,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 5179 transitions. [2018-09-30 21:40:28,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5181 states to 2593 states and 5181 transitions. [2018-09-30 21:40:28,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 5181 transitions. [2018-09-30 21:40:28,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:28,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:28,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:28,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5183 states to 2594 states and 5183 transitions. [2018-09-30 21:40:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 5183 transitions. [2018-09-30 21:40:28,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:28,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5185 states to 2595 states and 5185 transitions. [2018-09-30 21:40:29,123 INFO L276 IsEmpty]: Start isEmpty. Operand 2595 states and 5185 transitions. [2018-09-30 21:40:29,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,129 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5187 states to 2596 states and 5187 transitions. [2018-09-30 21:40:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 5187 transitions. [2018-09-30 21:40:29,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5189 states to 2597 states and 5189 transitions. [2018-09-30 21:40:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2597 states and 5189 transitions. [2018-09-30 21:40:29,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5191 states to 2598 states and 5191 transitions. [2018-09-30 21:40:29,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2598 states and 5191 transitions. [2018-09-30 21:40:29,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5193 states to 2599 states and 5193 transitions. [2018-09-30 21:40:29,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2599 states and 5193 transitions. [2018-09-30 21:40:29,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5195 states to 2600 states and 5195 transitions. [2018-09-30 21:40:29,807 INFO L276 IsEmpty]: Start isEmpty. Operand 2600 states and 5195 transitions. [2018-09-30 21:40:29,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:29,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:29,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 2601 states and 5197 transitions. [2018-09-30 21:40:29,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 5197 transitions. [2018-09-30 21:40:29,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:29,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:29,952 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5199 states to 2602 states and 5199 transitions. [2018-09-30 21:40:30,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2602 states and 5199 transitions. [2018-09-30 21:40:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,084 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5201 states to 2603 states and 5201 transitions. [2018-09-30 21:40:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 5201 transitions. [2018-09-30 21:40:30,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,203 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5203 states to 2604 states and 5203 transitions. [2018-09-30 21:40:30,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2604 states and 5203 transitions. [2018-09-30 21:40:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,320 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5205 states to 2605 states and 5205 transitions. [2018-09-30 21:40:30,444 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 5205 transitions. [2018-09-30 21:40:30,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5207 states to 2606 states and 5207 transitions. [2018-09-30 21:40:30,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 5207 transitions. [2018-09-30 21:40:30,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5209 states to 2607 states and 5209 transitions. [2018-09-30 21:40:30,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 5209 transitions. [2018-09-30 21:40:30,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5211 states to 2608 states and 5211 transitions. [2018-09-30 21:40:30,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2608 states and 5211 transitions. [2018-09-30 21:40:30,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,823 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:30,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5213 states to 2609 states and 5213 transitions. [2018-09-30 21:40:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 5213 transitions. [2018-09-30 21:40:30,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:30,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:30,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5215 states to 2610 states and 5215 transitions. [2018-09-30 21:40:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2610 states and 5215 transitions. [2018-09-30 21:40:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 2611 states and 5217 transitions. [2018-09-30 21:40:31,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 5217 transitions. [2018-09-30 21:40:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 2612 states and 5219 transitions. [2018-09-30 21:40:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2612 states and 5219 transitions. [2018-09-30 21:40:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5221 states to 2613 states and 5221 transitions. [2018-09-30 21:40:31,432 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 5221 transitions. [2018-09-30 21:40:31,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,439 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5223 states to 2614 states and 5223 transitions. [2018-09-30 21:40:31,551 INFO L276 IsEmpty]: Start isEmpty. Operand 2614 states and 5223 transitions. [2018-09-30 21:40:31,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,556 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5225 states to 2615 states and 5225 transitions. [2018-09-30 21:40:31,673 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 5225 transitions. [2018-09-30 21:40:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,679 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 2616 states and 5227 transitions. [2018-09-30 21:40:31,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 5227 transitions. [2018-09-30 21:40:31,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:31,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:31,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5229 states to 2617 states and 5229 transitions. [2018-09-30 21:40:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5229 transitions. [2018-09-30 21:40:31,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:31,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:31,934 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:31,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5231 states to 2618 states and 5231 transitions. [2018-09-30 21:40:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2618 states and 5231 transitions. [2018-09-30 21:40:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,069 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 2619 states and 5233 transitions. [2018-09-30 21:40:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 5233 transitions. [2018-09-30 21:40:32,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,311 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5235 states to 2620 states and 5235 transitions. [2018-09-30 21:40:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 5235 transitions. [2018-09-30 21:40:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 2621 states and 5237 transitions. [2018-09-30 21:40:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 5237 transitions. [2018-09-30 21:40:32,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 2622 states and 5239 transitions. [2018-09-30 21:40:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2622 states and 5239 transitions. [2018-09-30 21:40:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5241 states to 2623 states and 5241 transitions. [2018-09-30 21:40:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2623 states and 5241 transitions. [2018-09-30 21:40:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5243 states to 2624 states and 5243 transitions. [2018-09-30 21:40:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 5243 transitions. [2018-09-30 21:40:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:32,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:32,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:32,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:32,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 2625 states and 5245 transitions. [2018-09-30 21:40:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 5245 transitions. [2018-09-30 21:40:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5247 states to 2626 states and 5247 transitions. [2018-09-30 21:40:33,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2626 states and 5247 transitions. [2018-09-30 21:40:33,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5249 states to 2627 states and 5249 transitions. [2018-09-30 21:40:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 5249 transitions. [2018-09-30 21:40:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,310 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5251 states to 2628 states and 5251 transitions. [2018-09-30 21:40:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 5251 transitions. [2018-09-30 21:40:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 2629 states and 5253 transitions. [2018-09-30 21:40:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 5253 transitions. [2018-09-30 21:40:33,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 2630 states and 5255 transitions. [2018-09-30 21:40:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 5255 transitions. [2018-09-30 21:40:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 2631 states and 5257 transitions. [2018-09-30 21:40:33,793 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 5257 transitions. [2018-09-30 21:40:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5259 states to 2632 states and 5259 transitions. [2018-09-30 21:40:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 5259 transitions. [2018-09-30 21:40:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:33,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:33,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:33,934 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5261 states to 2633 states and 5261 transitions. [2018-09-30 21:40:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 5261 transitions. [2018-09-30 21:40:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,049 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5263 states to 2634 states and 5263 transitions. [2018-09-30 21:40:34,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 5263 transitions. [2018-09-30 21:40:34,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,175 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5265 states to 2635 states and 5265 transitions. [2018-09-30 21:40:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 2635 states and 5265 transitions. [2018-09-30 21:40:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,301 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 2636 states and 5267 transitions. [2018-09-30 21:40:34,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 5267 transitions. [2018-09-30 21:40:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5269 states to 2637 states and 5269 transitions. [2018-09-30 21:40:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 5269 transitions. [2018-09-30 21:40:34,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,555 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5271 states to 2638 states and 5271 transitions. [2018-09-30 21:40:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 2638 states and 5271 transitions. [2018-09-30 21:40:34,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5273 states to 2639 states and 5273 transitions. [2018-09-30 21:40:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2639 states and 5273 transitions. [2018-09-30 21:40:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,817 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:34,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:34,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5275 states to 2640 states and 5275 transitions. [2018-09-30 21:40:34,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2640 states and 5275 transitions. [2018-09-30 21:40:34,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:34,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:34,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5277 states to 2641 states and 5277 transitions. [2018-09-30 21:40:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 5277 transitions. [2018-09-30 21:40:35,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5279 states to 2642 states and 5279 transitions. [2018-09-30 21:40:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2642 states and 5279 transitions. [2018-09-30 21:40:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,205 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 2643 states and 5281 transitions. [2018-09-30 21:40:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 5281 transitions. [2018-09-30 21:40:35,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,323 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5283 states to 2644 states and 5283 transitions. [2018-09-30 21:40:35,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 5283 transitions. [2018-09-30 21:40:35,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 2645 states and 5285 transitions. [2018-09-30 21:40:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 5285 transitions. [2018-09-30 21:40:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5287 states to 2646 states and 5287 transitions. [2018-09-30 21:40:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 5287 transitions. [2018-09-30 21:40:35,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5289 states to 2647 states and 5289 transitions. [2018-09-30 21:40:35,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 5289 transitions. [2018-09-30 21:40:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5291 states to 2648 states and 5291 transitions. [2018-09-30 21:40:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 5291 transitions. [2018-09-30 21:40:35,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:35,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:35,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:35,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 2649 states and 5293 transitions. [2018-09-30 21:40:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 5293 transitions. [2018-09-30 21:40:36,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 2650 states and 5295 transitions. [2018-09-30 21:40:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 5295 transitions. [2018-09-30 21:40:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,197 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 2651 states and 5297 transitions. [2018-09-30 21:40:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 5297 transitions. [2018-09-30 21:40:36,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5299 states to 2652 states and 5299 transitions. [2018-09-30 21:40:36,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2652 states and 5299 transitions. [2018-09-30 21:40:36,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 2653 states and 5301 transitions. [2018-09-30 21:40:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 5301 transitions. [2018-09-30 21:40:36,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5303 states to 2654 states and 5303 transitions. [2018-09-30 21:40:36,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2654 states and 5303 transitions. [2018-09-30 21:40:36,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5305 states to 2655 states and 5305 transitions. [2018-09-30 21:40:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 5305 transitions. [2018-09-30 21:40:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:36,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 2656 states and 5307 transitions. [2018-09-30 21:40:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2656 states and 5307 transitions. [2018-09-30 21:40:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:36,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:36,953 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5309 states to 2657 states and 5309 transitions. [2018-09-30 21:40:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 5309 transitions. [2018-09-30 21:40:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5311 states to 2658 states and 5311 transitions. [2018-09-30 21:40:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2658 states and 5311 transitions. [2018-09-30 21:40:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5313 states to 2659 states and 5313 transitions. [2018-09-30 21:40:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 5313 transitions. [2018-09-30 21:40:37,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5315 states to 2660 states and 5315 transitions. [2018-09-30 21:40:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 5315 transitions. [2018-09-30 21:40:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5317 states to 2661 states and 5317 transitions. [2018-09-30 21:40:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2661 states and 5317 transitions. [2018-09-30 21:40:37,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5319 states to 2662 states and 5319 transitions. [2018-09-30 21:40:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2662 states and 5319 transitions. [2018-09-30 21:40:37,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 2663 states and 5321 transitions. [2018-09-30 21:40:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5321 transitions. [2018-09-30 21:40:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:37,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:37,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5323 states to 2664 states and 5323 transitions. [2018-09-30 21:40:37,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 5323 transitions. [2018-09-30 21:40:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:37,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:37,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5325 states to 2665 states and 5325 transitions. [2018-09-30 21:40:38,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 5325 transitions. [2018-09-30 21:40:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5327 states to 2666 states and 5327 transitions. [2018-09-30 21:40:38,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 5327 transitions. [2018-09-30 21:40:38,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,219 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5329 states to 2667 states and 5329 transitions. [2018-09-30 21:40:38,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5329 transitions. [2018-09-30 21:40:38,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5331 states to 2668 states and 5331 transitions. [2018-09-30 21:40:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 5331 transitions. [2018-09-30 21:40:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5333 states to 2669 states and 5333 transitions. [2018-09-30 21:40:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 5333 transitions. [2018-09-30 21:40:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 2670 states and 5335 transitions. [2018-09-30 21:40:38,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 5335 transitions. [2018-09-30 21:40:38,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5337 states to 2671 states and 5337 transitions. [2018-09-30 21:40:38,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2671 states and 5337 transitions. [2018-09-30 21:40:38,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:38,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:38,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5339 states to 2672 states and 5339 transitions. [2018-09-30 21:40:38,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 5339 transitions. [2018-09-30 21:40:38,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:38,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:38,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:38,987 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5341 states to 2673 states and 5341 transitions. [2018-09-30 21:40:39,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5341 transitions. [2018-09-30 21:40:39,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5343 states to 2674 states and 5343 transitions. [2018-09-30 21:40:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 5343 transitions. [2018-09-30 21:40:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 2675 states and 5345 transitions. [2018-09-30 21:40:39,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 5345 transitions. [2018-09-30 21:40:39,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 2676 states and 5347 transitions. [2018-09-30 21:40:39,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 5347 transitions. [2018-09-30 21:40:39,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 2677 states and 5349 transitions. [2018-09-30 21:40:39,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 5349 transitions. [2018-09-30 21:40:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5351 states to 2678 states and 5351 transitions. [2018-09-30 21:40:39,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2678 states and 5351 transitions. [2018-09-30 21:40:39,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5353 states to 2679 states and 5353 transitions. [2018-09-30 21:40:39,861 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 5353 transitions. [2018-09-30 21:40:39,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:39,870 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 2680 states and 5355 transitions. [2018-09-30 21:40:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2680 states and 5355 transitions. [2018-09-30 21:40:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:39,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5357 states to 2681 states and 5357 transitions. [2018-09-30 21:40:40,119 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 5357 transitions. [2018-09-30 21:40:40,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5359 states to 2682 states and 5359 transitions. [2018-09-30 21:40:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 5359 transitions. [2018-09-30 21:40:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,255 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5361 states to 2683 states and 5361 transitions. [2018-09-30 21:40:40,382 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 5361 transitions. [2018-09-30 21:40:40,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5363 states to 2684 states and 5363 transitions. [2018-09-30 21:40:40,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 5363 transitions. [2018-09-30 21:40:40,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 2685 states and 5365 transitions. [2018-09-30 21:40:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5365 transitions. [2018-09-30 21:40:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,664 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5367 states to 2686 states and 5367 transitions. [2018-09-30 21:40:40,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2686 states and 5367 transitions. [2018-09-30 21:40:40,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,804 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:40,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5369 states to 2687 states and 5369 transitions. [2018-09-30 21:40:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 5369 transitions. [2018-09-30 21:40:40,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:40,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:40,931 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5371 states to 2688 states and 5371 transitions. [2018-09-30 21:40:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2688 states and 5371 transitions. [2018-09-30 21:40:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,059 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,069 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 2689 states and 5373 transitions. [2018-09-30 21:40:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 5373 transitions. [2018-09-30 21:40:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 2690 states and 5375 transitions. [2018-09-30 21:40:41,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 5375 transitions. [2018-09-30 21:40:41,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,383 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5377 states to 2691 states and 5377 transitions. [2018-09-30 21:40:41,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 5377 transitions. [2018-09-30 21:40:41,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5379 states to 2692 states and 5379 transitions. [2018-09-30 21:40:41,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 5379 transitions. [2018-09-30 21:40:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,631 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 2693 states and 5381 transitions. [2018-09-30 21:40:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 5381 transitions. [2018-09-30 21:40:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:41,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5383 states to 2694 states and 5383 transitions. [2018-09-30 21:40:41,924 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 5383 transitions. [2018-09-30 21:40:41,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:41,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:41,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:41,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5385 states to 2695 states and 5385 transitions. [2018-09-30 21:40:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2695 states and 5385 transitions. [2018-09-30 21:40:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,073 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5387 states to 2696 states and 5387 transitions. [2018-09-30 21:40:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 5387 transitions. [2018-09-30 21:40:42,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5389 states to 2697 states and 5389 transitions. [2018-09-30 21:40:42,315 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 5389 transitions. [2018-09-30 21:40:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,321 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5391 states to 2698 states and 5391 transitions. [2018-09-30 21:40:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 5391 transitions. [2018-09-30 21:40:42,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,446 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 2699 states and 5393 transitions. [2018-09-30 21:40:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2699 states and 5393 transitions. [2018-09-30 21:40:42,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,573 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5395 states to 2700 states and 5395 transitions. [2018-09-30 21:40:42,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 5395 transitions. [2018-09-30 21:40:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 2701 states and 5397 transitions. [2018-09-30 21:40:42,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 5397 transitions. [2018-09-30 21:40:42,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:42,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:42,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 2702 states and 5399 transitions. [2018-09-30 21:40:42,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2702 states and 5399 transitions. [2018-09-30 21:40:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:42,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:42,970 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5401 states to 2703 states and 5401 transitions. [2018-09-30 21:40:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2703 states and 5401 transitions. [2018-09-30 21:40:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5403 states to 2704 states and 5403 transitions. [2018-09-30 21:40:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 5403 transitions. [2018-09-30 21:40:43,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5405 states to 2705 states and 5405 transitions. [2018-09-30 21:40:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 5405 transitions. [2018-09-30 21:40:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5407 states to 2706 states and 5407 transitions. [2018-09-30 21:40:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2706 states and 5407 transitions. [2018-09-30 21:40:43,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5409 states to 2707 states and 5409 transitions. [2018-09-30 21:40:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 5409 transitions. [2018-09-30 21:40:43,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,739 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5411 states to 2708 states and 5411 transitions. [2018-09-30 21:40:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 2708 states and 5411 transitions. [2018-09-30 21:40:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:43,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:43,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5413 states to 2709 states and 5413 transitions. [2018-09-30 21:40:43,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 5413 transitions. [2018-09-30 21:40:43,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:43,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5415 states to 2710 states and 5415 transitions. [2018-09-30 21:40:44,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 5415 transitions. [2018-09-30 21:40:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,138 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5417 states to 2711 states and 5417 transitions. [2018-09-30 21:40:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2711 states and 5417 transitions. [2018-09-30 21:40:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5419 states to 2712 states and 5419 transitions. [2018-09-30 21:40:44,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 5419 transitions. [2018-09-30 21:40:44,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,397 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5421 states to 2713 states and 5421 transitions. [2018-09-30 21:40:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 5421 transitions. [2018-09-30 21:40:44,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 2714 states and 5423 transitions. [2018-09-30 21:40:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 5423 transitions. [2018-09-30 21:40:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,656 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5425 states to 2715 states and 5425 transitions. [2018-09-30 21:40:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2715 states and 5425 transitions. [2018-09-30 21:40:44,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5427 states to 2716 states and 5427 transitions. [2018-09-30 21:40:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 5427 transitions. [2018-09-30 21:40:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:44,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:44,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:44,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5429 states to 2717 states and 5429 transitions. [2018-09-30 21:40:45,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 5429 transitions. [2018-09-30 21:40:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,046 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 2718 states and 5431 transitions. [2018-09-30 21:40:45,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5431 transitions. [2018-09-30 21:40:45,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,191 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5433 states to 2719 states and 5433 transitions. [2018-09-30 21:40:45,327 INFO L276 IsEmpty]: Start isEmpty. Operand 2719 states and 5433 transitions. [2018-09-30 21:40:45,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5435 states to 2720 states and 5435 transitions. [2018-09-30 21:40:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2720 states and 5435 transitions. [2018-09-30 21:40:45,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 2721 states and 5437 transitions. [2018-09-30 21:40:45,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 5437 transitions. [2018-09-30 21:40:45,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5439 states to 2722 states and 5439 transitions. [2018-09-30 21:40:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2722 states and 5439 transitions. [2018-09-30 21:40:45,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,712 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5441 states to 2723 states and 5441 transitions. [2018-09-30 21:40:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 2723 states and 5441 transitions. [2018-09-30 21:40:45,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,847 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:45,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 2724 states and 5443 transitions. [2018-09-30 21:40:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 5443 transitions. [2018-09-30 21:40:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:45,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:45,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5445 states to 2725 states and 5445 transitions. [2018-09-30 21:40:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5445 transitions. [2018-09-30 21:40:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5447 states to 2726 states and 5447 transitions. [2018-09-30 21:40:46,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 5447 transitions. [2018-09-30 21:40:46,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5449 states to 2727 states and 5449 transitions. [2018-09-30 21:40:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 5449 transitions. [2018-09-30 21:40:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,361 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5451 states to 2728 states and 5451 transitions. [2018-09-30 21:40:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 5451 transitions. [2018-09-30 21:40:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5453 states to 2729 states and 5453 transitions. [2018-09-30 21:40:46,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 5453 transitions. [2018-09-30 21:40:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5455 states to 2730 states and 5455 transitions. [2018-09-30 21:40:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 5455 transitions. [2018-09-30 21:40:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,737 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5457 states to 2731 states and 5457 transitions. [2018-09-30 21:40:46,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 5457 transitions. [2018-09-30 21:40:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5459 states to 2732 states and 5459 transitions. [2018-09-30 21:40:46,984 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 5459 transitions. [2018-09-30 21:40:46,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:46,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:46,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5461 states to 2733 states and 5461 transitions. [2018-09-30 21:40:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2733 states and 5461 transitions. [2018-09-30 21:40:47,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,122 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5463 states to 2734 states and 5463 transitions. [2018-09-30 21:40:47,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2734 states and 5463 transitions. [2018-09-30 21:40:47,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5465 states to 2735 states and 5465 transitions. [2018-09-30 21:40:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand 2735 states and 5465 transitions. [2018-09-30 21:40:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,375 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5467 states to 2736 states and 5467 transitions. [2018-09-30 21:40:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 5467 transitions. [2018-09-30 21:40:47,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5469 states to 2737 states and 5469 transitions. [2018-09-30 21:40:47,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 5469 transitions. [2018-09-30 21:40:47,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5471 states to 2738 states and 5471 transitions. [2018-09-30 21:40:47,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 5471 transitions. [2018-09-30 21:40:47,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,774 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:47,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:47,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 2739 states and 5473 transitions. [2018-09-30 21:40:47,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 5473 transitions. [2018-09-30 21:40:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:47,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:47,907 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5475 states to 2740 states and 5475 transitions. [2018-09-30 21:40:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 5475 transitions. [2018-09-30 21:40:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5477 states to 2741 states and 5477 transitions. [2018-09-30 21:40:48,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 5477 transitions. [2018-09-30 21:40:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 2742 states and 5479 transitions. [2018-09-30 21:40:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2742 states and 5479 transitions. [2018-09-30 21:40:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,292 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5481 states to 2743 states and 5481 transitions. [2018-09-30 21:40:48,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 5481 transitions. [2018-09-30 21:40:48,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,415 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5483 states to 2744 states and 5483 transitions. [2018-09-30 21:40:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 5483 transitions. [2018-09-30 21:40:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5485 states to 2745 states and 5485 transitions. [2018-09-30 21:40:48,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 5485 transitions. [2018-09-30 21:40:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,672 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5487 states to 2746 states and 5487 transitions. [2018-09-30 21:40:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2746 states and 5487 transitions. [2018-09-30 21:40:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,805 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5489 states to 2747 states and 5489 transitions. [2018-09-30 21:40:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2747 states and 5489 transitions. [2018-09-30 21:40:48,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:48,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:48,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5491 states to 2748 states and 5491 transitions. [2018-09-30 21:40:49,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2748 states and 5491 transitions. [2018-09-30 21:40:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5493 states to 2749 states and 5493 transitions. [2018-09-30 21:40:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2749 states and 5493 transitions. [2018-09-30 21:40:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5495 states to 2750 states and 5495 transitions. [2018-09-30 21:40:49,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 5495 transitions. [2018-09-30 21:40:49,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5497 states to 2751 states and 5497 transitions. [2018-09-30 21:40:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 5497 transitions. [2018-09-30 21:40:49,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,462 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5499 states to 2752 states and 5499 transitions. [2018-09-30 21:40:49,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2752 states and 5499 transitions. [2018-09-30 21:40:49,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5501 states to 2753 states and 5501 transitions. [2018-09-30 21:40:49,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2753 states and 5501 transitions. [2018-09-30 21:40:49,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5503 states to 2754 states and 5503 transitions. [2018-09-30 21:40:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 5503 transitions. [2018-09-30 21:40:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:49,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:49,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5505 states to 2755 states and 5505 transitions. [2018-09-30 21:40:49,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 5505 transitions. [2018-09-30 21:40:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:49,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:49,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5507 states to 2756 states and 5507 transitions. [2018-09-30 21:40:50,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 5507 transitions. [2018-09-30 21:40:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5509 states to 2757 states and 5509 transitions. [2018-09-30 21:40:50,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 5509 transitions. [2018-09-30 21:40:50,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,263 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5511 states to 2758 states and 5511 transitions. [2018-09-30 21:40:50,431 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 5511 transitions. [2018-09-30 21:40:50,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5513 states to 2759 states and 5513 transitions. [2018-09-30 21:40:50,560 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 5513 transitions. [2018-09-30 21:40:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,566 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5515 states to 2760 states and 5515 transitions. [2018-09-30 21:40:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 5515 transitions. [2018-09-30 21:40:50,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,697 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5517 states to 2761 states and 5517 transitions. [2018-09-30 21:40:50,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2761 states and 5517 transitions. [2018-09-30 21:40:50,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5519 states to 2762 states and 5519 transitions. [2018-09-30 21:40:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 5519 transitions. [2018-09-30 21:40:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:50,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:50,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5521 states to 2763 states and 5521 transitions. [2018-09-30 21:40:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2763 states and 5521 transitions. [2018-09-30 21:40:51,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,088 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5523 states to 2764 states and 5523 transitions. [2018-09-30 21:40:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 5523 transitions. [2018-09-30 21:40:51,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,222 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 2765 states and 5525 transitions. [2018-09-30 21:40:51,349 INFO L276 IsEmpty]: Start isEmpty. Operand 2765 states and 5525 transitions. [2018-09-30 21:40:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 2766 states and 5527 transitions. [2018-09-30 21:40:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 5527 transitions. [2018-09-30 21:40:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,481 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5529 states to 2767 states and 5529 transitions. [2018-09-30 21:40:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 2767 states and 5529 transitions. [2018-09-30 21:40:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,614 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5531 states to 2768 states and 5531 transitions. [2018-09-30 21:40:51,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2768 states and 5531 transitions. [2018-09-30 21:40:51,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5533 states to 2769 states and 5533 transitions. [2018-09-30 21:40:51,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 5533 transitions. [2018-09-30 21:40:51,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:51,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:51,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:51,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5535 states to 2770 states and 5535 transitions. [2018-09-30 21:40:51,996 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 5535 transitions. [2018-09-30 21:40:51,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:51,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 2771 states and 5537 transitions. [2018-09-30 21:40:52,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 5537 transitions. [2018-09-30 21:40:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5539 states to 2772 states and 5539 transitions. [2018-09-30 21:40:52,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 5539 transitions. [2018-09-30 21:40:52,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,262 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5541 states to 2773 states and 5541 transitions. [2018-09-30 21:40:52,384 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 5541 transitions. [2018-09-30 21:40:52,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5543 states to 2774 states and 5543 transitions. [2018-09-30 21:40:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2774 states and 5543 transitions. [2018-09-30 21:40:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5545 states to 2775 states and 5545 transitions. [2018-09-30 21:40:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2775 states and 5545 transitions. [2018-09-30 21:40:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5547 states to 2776 states and 5547 transitions. [2018-09-30 21:40:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2776 states and 5547 transitions. [2018-09-30 21:40:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5549 states to 2777 states and 5549 transitions. [2018-09-30 21:40:52,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2777 states and 5549 transitions. [2018-09-30 21:40:52,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:52,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:52,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5551 states to 2778 states and 5551 transitions. [2018-09-30 21:40:53,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 5551 transitions. [2018-09-30 21:40:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5553 states to 2779 states and 5553 transitions. [2018-09-30 21:40:53,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 5553 transitions. [2018-09-30 21:40:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5555 states to 2780 states and 5555 transitions. [2018-09-30 21:40:53,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2780 states and 5555 transitions. [2018-09-30 21:40:53,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5557 states to 2781 states and 5557 transitions. [2018-09-30 21:40:53,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 5557 transitions. [2018-09-30 21:40:53,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5559 states to 2782 states and 5559 transitions. [2018-09-30 21:40:53,563 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 5559 transitions. [2018-09-30 21:40:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5561 states to 2783 states and 5561 transitions. [2018-09-30 21:40:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 5561 transitions. [2018-09-30 21:40:53,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5563 states to 2784 states and 5563 transitions. [2018-09-30 21:40:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 5563 transitions. [2018-09-30 21:40:53,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:53,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:53,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5565 states to 2785 states and 5565 transitions. [2018-09-30 21:40:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 5565 transitions. [2018-09-30 21:40:53,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:53,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:53,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:53,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5567 states to 2786 states and 5567 transitions. [2018-09-30 21:40:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 5567 transitions. [2018-09-30 21:40:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5569 states to 2787 states and 5569 transitions. [2018-09-30 21:40:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 5569 transitions. [2018-09-30 21:40:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 2788 states and 5571 transitions. [2018-09-30 21:40:54,354 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 5571 transitions. [2018-09-30 21:40:54,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5573 states to 2789 states and 5573 transitions. [2018-09-30 21:40:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2789 states and 5573 transitions. [2018-09-30 21:40:54,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,490 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5575 states to 2790 states and 5575 transitions. [2018-09-30 21:40:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 5575 transitions. [2018-09-30 21:40:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5577 states to 2791 states and 5577 transitions. [2018-09-30 21:40:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2791 states and 5577 transitions. [2018-09-30 21:40:54,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,764 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:54,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:54,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5579 states to 2792 states and 5579 transitions. [2018-09-30 21:40:54,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 5579 transitions. [2018-09-30 21:40:54,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:54,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:54,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5581 states to 2793 states and 5581 transitions. [2018-09-30 21:40:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2793 states and 5581 transitions. [2018-09-30 21:40:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5583 states to 2794 states and 5583 transitions. [2018-09-30 21:40:55,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5583 transitions. [2018-09-30 21:40:55,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5585 states to 2795 states and 5585 transitions. [2018-09-30 21:40:55,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2795 states and 5585 transitions. [2018-09-30 21:40:55,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5587 states to 2796 states and 5587 transitions. [2018-09-30 21:40:55,412 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 5587 transitions. [2018-09-30 21:40:55,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 2797 states and 5589 transitions. [2018-09-30 21:40:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2797 states and 5589 transitions. [2018-09-30 21:40:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5591 states to 2798 states and 5591 transitions. [2018-09-30 21:40:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 5591 transitions. [2018-09-30 21:40:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,681 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5593 states to 2799 states and 5593 transitions. [2018-09-30 21:40:55,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 5593 transitions. [2018-09-30 21:40:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:55,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:55,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5595 states to 2800 states and 5595 transitions. [2018-09-30 21:40:55,933 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 5595 transitions. [2018-09-30 21:40:55,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:55,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:55,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:55,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 2801 states and 5597 transitions. [2018-09-30 21:40:56,059 INFO L276 IsEmpty]: Start isEmpty. Operand 2801 states and 5597 transitions. [2018-09-30 21:40:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,065 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 2802 states and 5599 transitions. [2018-09-30 21:40:56,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2802 states and 5599 transitions. [2018-09-30 21:40:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5601 states to 2803 states and 5601 transitions. [2018-09-30 21:40:56,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2803 states and 5601 transitions. [2018-09-30 21:40:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 2804 states and 5603 transitions. [2018-09-30 21:40:56,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2804 states and 5603 transitions. [2018-09-30 21:40:56,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5605 states to 2805 states and 5605 transitions. [2018-09-30 21:40:56,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 5605 transitions. [2018-09-30 21:40:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5607 states to 2806 states and 5607 transitions. [2018-09-30 21:40:56,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 5607 transitions. [2018-09-30 21:40:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5609 states to 2807 states and 5609 transitions. [2018-09-30 21:40:56,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2807 states and 5609 transitions. [2018-09-30 21:40:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5611 states to 2808 states and 5611 transitions. [2018-09-30 21:40:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 5611 transitions. [2018-09-30 21:40:56,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:56,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:56,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5613 states to 2809 states and 5613 transitions. [2018-09-30 21:40:57,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2809 states and 5613 transitions. [2018-09-30 21:40:57,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5615 states to 2810 states and 5615 transitions. [2018-09-30 21:40:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2810 states and 5615 transitions. [2018-09-30 21:40:57,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5617 states to 2811 states and 5617 transitions. [2018-09-30 21:40:57,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 5617 transitions. [2018-09-30 21:40:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 2812 states and 5619 transitions. [2018-09-30 21:40:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 5619 transitions. [2018-09-30 21:40:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 2813 states and 5621 transitions. [2018-09-30 21:40:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 5621 transitions. [2018-09-30 21:40:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,637 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5623 states to 2814 states and 5623 transitions. [2018-09-30 21:40:57,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 5623 transitions. [2018-09-30 21:40:57,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,770 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5625 states to 2815 states and 5625 transitions. [2018-09-30 21:40:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2815 states and 5625 transitions. [2018-09-30 21:40:57,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:57,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:57,899 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:57,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5627 states to 2816 states and 5627 transitions. [2018-09-30 21:40:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 5627 transitions. [2018-09-30 21:40:58,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,041 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 2817 states and 5629 transitions. [2018-09-30 21:40:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 5629 transitions. [2018-09-30 21:40:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5631 states to 2818 states and 5631 transitions. [2018-09-30 21:40:58,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2818 states and 5631 transitions. [2018-09-30 21:40:58,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5633 states to 2819 states and 5633 transitions. [2018-09-30 21:40:58,422 INFO L276 IsEmpty]: Start isEmpty. Operand 2819 states and 5633 transitions. [2018-09-30 21:40:58,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5635 states to 2820 states and 5635 transitions. [2018-09-30 21:40:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 5635 transitions. [2018-09-30 21:40:58,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5637 states to 2821 states and 5637 transitions. [2018-09-30 21:40:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 5637 transitions. [2018-09-30 21:40:58,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5639 states to 2822 states and 5639 transitions. [2018-09-30 21:40:58,817 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 5639 transitions. [2018-09-30 21:40:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5641 states to 2823 states and 5641 transitions. [2018-09-30 21:40:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2823 states and 5641 transitions. [2018-09-30 21:40:58,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:58,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:58,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5643 states to 2824 states and 5643 transitions. [2018-09-30 21:40:59,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2824 states and 5643 transitions. [2018-09-30 21:40:59,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,074 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5645 states to 2825 states and 5645 transitions. [2018-09-30 21:40:59,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 5645 transitions. [2018-09-30 21:40:59,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5647 states to 2826 states and 5647 transitions. [2018-09-30 21:40:59,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5647 transitions. [2018-09-30 21:40:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,331 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5649 states to 2827 states and 5649 transitions. [2018-09-30 21:40:59,452 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 5649 transitions. [2018-09-30 21:40:59,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5651 states to 2828 states and 5651 transitions. [2018-09-30 21:40:59,584 INFO L276 IsEmpty]: Start isEmpty. Operand 2828 states and 5651 transitions. [2018-09-30 21:40:59,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5653 states to 2829 states and 5653 transitions. [2018-09-30 21:40:59,721 INFO L276 IsEmpty]: Start isEmpty. Operand 2829 states and 5653 transitions. [2018-09-30 21:40:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5655 states to 2830 states and 5655 transitions. [2018-09-30 21:40:59,853 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 5655 transitions. [2018-09-30 21:40:59,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:40:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:40:59,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5657 states to 2831 states and 5657 transitions. [2018-09-30 21:40:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 5657 transitions. [2018-09-30 21:40:59,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:40:59,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:40:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:40:59,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:40:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5659 states to 2832 states and 5659 transitions. [2018-09-30 21:41:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 5659 transitions. [2018-09-30 21:41:00,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5661 states to 2833 states and 5661 transitions. [2018-09-30 21:41:00,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2833 states and 5661 transitions. [2018-09-30 21:41:00,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5663 states to 2834 states and 5663 transitions. [2018-09-30 21:41:00,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2834 states and 5663 transitions. [2018-09-30 21:41:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,402 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5665 states to 2835 states and 5665 transitions. [2018-09-30 21:41:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2835 states and 5665 transitions. [2018-09-30 21:41:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5667 states to 2836 states and 5667 transitions. [2018-09-30 21:41:00,671 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5667 transitions. [2018-09-30 21:41:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,677 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5669 states to 2837 states and 5669 transitions. [2018-09-30 21:41:00,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 5669 transitions. [2018-09-30 21:41:00,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,811 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:00,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5671 states to 2838 states and 5671 transitions. [2018-09-30 21:41:00,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2838 states and 5671 transitions. [2018-09-30 21:41:00,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:00,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:00,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:01,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:01,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5673 states to 2839 states and 5673 transitions. [2018-09-30 21:41:01,072 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 5673 transitions. [2018-09-30 21:41:01,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:01,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:01,078 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:01,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:01,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5675 states to 2840 states and 5675 transitions. [2018-09-30 21:41:01,209 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 5675 transitions. [2018-09-30 21:41:01,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:01,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:01,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:01,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:01,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5677 states to 2841 states and 5677 transitions. [2018-09-30 21:41:01,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 5677 transitions. [2018-09-30 21:41:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:01,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:41:01,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:41:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:41:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5679 states to 2842 states and 5679 transitions. [2018-09-30 21:41:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 5679 transitions. [2018-09-30 21:41:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:41:01,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:41:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-30 21:41:01,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-30 21:41:01,481 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-30 21:41:01,482 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-30 21:41:01,484 INFO L168 Benchmark]: Toolchain (without parser) took 261976.00 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -381.2 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 439.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:41:01,485 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:41:01,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:41:01,486 INFO L168 Benchmark]: Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:41:01,486 INFO L168 Benchmark]: RCFGBuilder took 266.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:41:01,487 INFO L168 Benchmark]: CodeCheck took 261634.46 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -381.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. [2018-09-30 21:41:01,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 2 quantified variables from 4 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 46.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.68 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 266.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 261634.46 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -381.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 418.1 MB). Peak memory consumption was 37.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-41-01-497.csv Completed graceful shutdown