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/const1.i_3.bplTransformedIcfg_BEv2_6.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:43:21,204 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:43:21,207 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:43:21,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:43:21,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:43:21,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:43:21,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:43:21,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:43:21,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:43:21,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:43:21,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:43:21,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:43:21,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:43:21,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:43:21,233 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:43:21,234 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:43:21,235 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:43:21,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:43:21,239 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:43:21,240 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:43:21,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:43:21,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:43:21,246 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:43:21,246 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:43:21,246 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:43:21,247 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:43:21,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:43:21,249 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:43:21,251 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:43:21,252 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:43:21,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:43:21,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:43:21,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:43:21,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:43:21,254 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:43:21,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:43:21,256 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 [2018-09-26 22:43:21,272 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:43:21,272 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:43:21,273 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:43:21,274 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:43:21,274 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:43:21,275 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:43:21,275 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:43:21,275 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:43:21,275 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:43:21,275 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:43:21,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:43:21,276 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:43:21,276 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:43:21,276 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:43:21,276 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:43:21,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:43:21,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:43:21,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:43:21,277 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:43:21,277 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 22:43:21,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:43:21,278 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:43:21,278 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:43:21,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:43:21,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:43:21,279 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:43:21,279 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:43:21,279 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:43:21,279 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:43:21,280 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:43:21,327 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:43:21,342 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:43:21,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:43:21,349 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:43:21,349 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:43:21,350 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/const1.i_3.bplTransformedIcfg_BEv2_6.bpl [2018-09-26 22:43:21,351 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/const1.i_3.bplTransformedIcfg_BEv2_6.bpl' [2018-09-26 22:43:21,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:43:21,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:43:21,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:21,412 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:43:21,412 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:43:21,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:43:21,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:43:21,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:43:21,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:43:21,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:43:21,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:43:21,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:43:21,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:43:21,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:43:21" (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 [2018-09-26 22:43:21,560 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:43:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:43:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:43:21,849 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:43:21,850 INFO L202 PluginConnector]: Adding new model const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:21 BoogieIcfgContainer [2018-09-26 22:43:21,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:43:21,851 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:43:21,851 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:43:21,869 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:43:21,869 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "const1.i_3.bplTransformedIcfg_BEv2_6.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:43:21" (1/1) ... [2018-09-26 22:43:21,891 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 22:43:21,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:21,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:43:21,945 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:43:21,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:43:21,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:22,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:22,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:22,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:43:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:43:22,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:43:22,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:24,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-26 22:43:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-26 22:43:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:43:24,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:24,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:25,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-26 22:43:25,632 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 22:43:25,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:43:25,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:26,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-09-26 22:43:26,564 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-09-26 22:43:26,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:43:26,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:26,789 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:28,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-26 22:43:28,535 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 22:43:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:43:28,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:29,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:29,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2018-09-26 22:43:29,435 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2018-09-26 22:43:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:43:29,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:29,615 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-26 22:43:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-26 22:43:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:43:30,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:30,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:32,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2018-09-26 22:43:32,166 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2018-09-26 22:43:32,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:43:32,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:32,281 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:32,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:32,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-26 22:43:32,802 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-26 22:43:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:43:32,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-09-26 22:43:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-09-26 22:43:33,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:43:33,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:33,707 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:34,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-26 22:43:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-26 22:43:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:43:34,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:34,834 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:35,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:35,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2018-09-26 22:43:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-09-26 22:43:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:43:35,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:35,912 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-26 22:43:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-26 22:43:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:43:36,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:37,023 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:38,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-09-26 22:43:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-09-26 22:43:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:43:38,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:38,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:39,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-26 22:43:39,571 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-26 22:43:39,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:43:39,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:39,789 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-09-26 22:43:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-09-26 22:43:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:43:41,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:42,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:42,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-26 22:43:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-26 22:43:42,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:43:42,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:43,029 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:44,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2018-09-26 22:43:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-09-26 22:43:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:43:44,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:47,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-26 22:43:47,061 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-26 22:43:47,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:43:47,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:50,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 24 states and 25 transitions. [2018-09-26 22:43:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2018-09-26 22:43:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:43:50,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:50,454 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:52,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:52,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-26 22:43:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-26 22:43:52,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:43:52,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:53,536 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 26 states and 27 transitions. [2018-09-26 22:43:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-09-26 22:43:55,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:43:55,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:43:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:43:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-26 22:43:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-26 22:43:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:43:59,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:43:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:43:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:03,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2018-09-26 22:44:03,026 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-09-26 22:44:03,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:44:03,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:06,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:06,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-26 22:44:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-26 22:44:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:44:06,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2018-09-26 22:44:10,964 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2018-09-26 22:44:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:44:10,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:15,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-26 22:44:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-26 22:44:15,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:44:15,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:15,794 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:20,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2018-09-26 22:44:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-09-26 22:44:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:44:20,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:20,794 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-26 22:44:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-26 22:44:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:44:25,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:26,378 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:31,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2018-09-26 22:44:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-09-26 22:44:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:44:31,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-26 22:44:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-26 22:44:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:44:38,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:39,129 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:45,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-09-26 22:44:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-09-26 22:44:45,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:44:45,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:46,157 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:44:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:44:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-26 22:44:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-26 22:44:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:44:53,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:44:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:44:54,474 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:02,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2018-09-26 22:45:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2018-09-26 22:45:02,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:45:02,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-26 22:45:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-26 22:45:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:45:11,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:12,180 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:20,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:20,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 40 states and 41 transitions. [2018-09-26 22:45:20,817 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2018-09-26 22:45:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:45:20,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:21,590 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:31,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-26 22:45:31,068 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-26 22:45:31,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:45:31,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:31,998 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:42,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:42,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 42 states and 43 transitions. [2018-09-26 22:45:42,157 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-09-26 22:45:42,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:45:42,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:45:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:45:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-26 22:45:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-26 22:45:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:45:53,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:45:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:45:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:06,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 44 states and 45 transitions. [2018-09-26 22:46:06,704 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-09-26 22:46:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:46:06,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-26 22:46:20,163 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-26 22:46:20,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:46:20,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 46 states and 47 transitions. [2018-09-26 22:46:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2018-09-26 22:46:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:46:34,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:36,620 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:46:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:46:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-26 22:46:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-26 22:46:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:46:51,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:46:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:46:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2018-09-26 22:47:08,406 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2018-09-26 22:47:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:47:08,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:08,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:09,567 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:26,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:26,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-26 22:47:26,335 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-26 22:47:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:47:26,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:27,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:47:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:47:45,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 50 states and 51 transitions. [2018-09-26 22:47:45,432 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2018-09-26 22:47:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:47:45,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:47:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:47:46,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown