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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 01:50:33,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:50:33,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:50:33,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:50:33,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:50:33,319 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:50:33,320 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:50:33,322 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:50:33,324 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:50:33,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:50:33,325 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:50:33,326 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:50:33,326 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:50:33,327 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:50:33,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:50:33,329 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:50:33,330 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:50:33,332 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:50:33,334 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:50:33,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:50:33,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:50:33,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:50:33,340 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:50:33,340 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:50:33,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:50:33,341 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:50:33,342 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:50:33,345 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:50:33,346 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:50:33,347 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:50:33,347 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:50:33,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:50:33,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:50:33,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:50:33,357 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:50:33,358 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:50:33,358 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 01:50:33,386 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:50:33,386 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:50:33,387 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:50:33,387 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:50:33,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:50:33,388 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:50:33,388 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:50:33,388 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:50:33,388 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:50:33,388 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:50:33,389 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:50:33,390 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:50:33,390 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:50:33,390 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:50:33,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:50:33,392 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:50:33,392 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:50:33,392 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:50:33,392 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:50:33,392 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:50:33,393 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:50:33,393 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:50:33,393 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:50:33,393 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:50:33,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:50:33,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:50:33,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:50:33,459 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:50:33,460 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:50:33,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-01 01:50:33,461 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-01 01:50:33,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:50:33,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:50:33,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:50:33,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:50:33,518 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:50:33,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:50:33,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:50:33,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:50:33,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:50:33,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:50:33,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:50:33,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:50:33,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:50:33,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:50:33" (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 [2018-10-01 01:50:33,666 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-01 01:50:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-01 01:50:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-01 01:50:33,915 INFO L348 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-01 01:50:33,915 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:50:33 BoogieIcfgContainer [2018-10-01 01:50:33,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:50:33,916 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:50:33,916 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:50:33,928 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:50:33,928 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:50:33" (1/1) ... [2018-10-01 01:50:33,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:50:33,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:33,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-01 01:50:33,984 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-01 01:50:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 01:50:33,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:34,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-01 01:50:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-01 01:50:34,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:50:34,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:34,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:34,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-01 01:50:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-01 01:50:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 01:50:34,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:50:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-01 01:50:34,760 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-01 01:50:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:50:34,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:34,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:50:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-01 01:50:35,976 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-01 01:50:35,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:50:35,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-01 01:50:36,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:36,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-01 01:50:36,264 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-01 01:50:36,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:50:36,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:36,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-01 01:50:36,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:36,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-01 01:50:36,558 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-01 01:50:36,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:50:36,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-01 01:50:37,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-01 01:50:37,189 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-01 01:50:37,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:50:37,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 01:50:37,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-01 01:50:37,715 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-01 01:50:37,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:50:37,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-01 01:50:37,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:37,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-01 01:50:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-01 01:50:37,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 01:50:37,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:37,978 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-01 01:50:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:38,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-01 01:50:38,129 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-01 01:50:38,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:50:38,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:38,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-01 01:50:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-01 01:50:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-01 01:50:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:50:38,317 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:38,458 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-01 01:50:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-01 01:50:39,470 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-01 01:50:39,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 01:50:39,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 01:50:39,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:39,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-01 01:50:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-01 01:50:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 01:50:39,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:40,344 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 01:50:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:41,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-01 01:50:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-01 01:50:41,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 01:50:41,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-01 01:50:43,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:43,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-01 01:50:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-01 01:50:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 01:50:43,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 01:50:43,481 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-01 01:50:43,895 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-10-01 01:50:44,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-01 01:50:44,435 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-01 01:50:44,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 01:50:44,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 01:50:44,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:44,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-01 01:50:44,651 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-01 01:50:44,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 01:50:44,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:44,672 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-01 01:50:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:44,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-01 01:50:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-01 01:50:44,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 01:50:44,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:45,308 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-01 01:50:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:46,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-01 01:50:46,231 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-01 01:50:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 01:50:46,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-01 01:50:47,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:47,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-01 01:50:47,697 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-01 01:50:47,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 01:50:47,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:47,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 01:50:47,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:47,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-01 01:50:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-01 01:50:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 01:50:47,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 01:50:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:48,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-01 01:50:48,320 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-01 01:50:48,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 01:50:48,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:48,352 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-01 01:50:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-01 01:50:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-01 01:50:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 01:50:48,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:48,937 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 01:50:49,292 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-01 01:50:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-01 01:50:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-01 01:50:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 01:50:49,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:49,771 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 01:50:49,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:49,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-01 01:50:49,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-01 01:50:49,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 01:50:49,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-01 01:50:50,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:50,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-01 01:50:50,313 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-01 01:50:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 01:50:50,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:50,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 01:50:50,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:50,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-01 01:50:50,580 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-01 01:50:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 01:50:50,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 01:50:50,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-01 01:50:50,826 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-01 01:50:50,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 01:50:50,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-01 01:50:51,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-01 01:50:51,172 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-01 01:50:51,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 01:50:51,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:51,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 01:50:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:51,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-01 01:50:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-01 01:50:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 01:50:51,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 01:50:51,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-01 01:50:51,797 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-01 01:50:51,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 01:50:51,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-01 01:50:52,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:52,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-01 01:50:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-01 01:50:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 01:50:52,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-01 01:50:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:54,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-01 01:50:54,888 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-01 01:50:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 01:50:54,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-01 01:50:55,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:55,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-01 01:50:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-01 01:50:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 01:50:55,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-01 01:50:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-01 01:50:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-01 01:50:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 01:50:55,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:55,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-01 01:50:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-01 01:50:56,297 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-01 01:50:56,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 01:50:56,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:56,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-01 01:50:56,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:56,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-01 01:50:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-01 01:50:56,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 01:50:56,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-01 01:50:57,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:57,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-01 01:50:57,174 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-01 01:50:57,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 01:50:57,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:57,202 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-01 01:50:57,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:50:57,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-01 01:50:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-01 01:50:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 01:50:57,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:50:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:50:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-01 01:51:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:00,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-01 01:51:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-01 01:51:00,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 01:51:00,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:00,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-01 01:51:01,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:01,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-01 01:51:01,049 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-01 01:51:01,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 01:51:01,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:01,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 01:51:01,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-01 01:51:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-01 01:51:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 01:51:01,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:02,120 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 01:51:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:02,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-01 01:51:02,475 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-01 01:51:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 01:51:02,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:02,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-01 01:51:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:03,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-01 01:51:03,038 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-01 01:51:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 01:51:03,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:03,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-01 01:51:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:03,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-01 01:51:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-01 01:51:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 01:51:03,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-01 01:51:03,911 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-01 01:51:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-01 01:51:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-01 01:51:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 01:51:04,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-01 01:51:04,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:04,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-01 01:51:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-01 01:51:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 01:51:04,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-01 01:51:05,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:05,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-01 01:51:05,241 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-01 01:51:05,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 01:51:05,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:05,266 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-01 01:51:05,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:05,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-01 01:51:05,777 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-01 01:51:05,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 01:51:05,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-01 01:51:06,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-01 01:51:06,323 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-01 01:51:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 01:51:06,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:09,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-01 01:51:10,858 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 7 [2018-10-01 01:51:14,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:14,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-01 01:51:14,369 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-01 01:51:14,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 01:51:14,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-01 01:51:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:18,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-01 01:51:18,095 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-01 01:51:18,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-01 01:51:18,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-01 01:51:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-01 01:51:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-01 01:51:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-01 01:51:21,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:22,536 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-01 01:51:26,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-01 01:51:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-01 01:51:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-01 01:51:26,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-01 01:51:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-01 01:51:27,137 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-01 01:51:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-01 01:51:27,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:27,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-01 01:51:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:27,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-01 01:51:27,778 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-01 01:51:27,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-01 01:51:27,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:27,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-01 01:51:28,369 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-01 01:51:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-01 01:51:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-01 01:51:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-01 01:51:28,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-01 01:51:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-01 01:51:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-01 01:51:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-01 01:51:29,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:29,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-01 01:51:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-01 01:51:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-01 01:51:30,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-01 01:51:30,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:30,179 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-01 01:51:30,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-01 01:51:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-01 01:51:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-01 01:51:30,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-01 01:51:31,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:31,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-01 01:51:31,108 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-01 01:51:31,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-01 01:51:31,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-01 01:51:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:31,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-01 01:51:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-01 01:51:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-01 01:51:31,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:31,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-01 01:51:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-01 01:51:32,241 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-01 01:51:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-01 01:51:32,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-01 01:51:32,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-01 01:51:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-01 01:51:32,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-01 01:51:32,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:32,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:32,921 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-01 01:51:33,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:33,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-01 01:51:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-01 01:51:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-01 01:51:33,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-01 01:51:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:34,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-01 01:51:34,035 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-01 01:51:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-01 01:51:34,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-01 01:51:34,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:34,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-01 01:51:34,550 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-01 01:51:34,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-01 01:51:34,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-01 01:51:35,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:35,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-01 01:51:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-01 01:51:35,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-01 01:51:35,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-01 01:51:35,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:35,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-01 01:51:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-01 01:51:35,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-01 01:51:35,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:35,831 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-01 01:51:36,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:36,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-01 01:51:36,332 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-01 01:51:36,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-01 01:51:36,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:36,560 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-01 01:51:41,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:41,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-01 01:51:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-01 01:51:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-01 01:51:41,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:41,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-01 01:51:47,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:47,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-01 01:51:47,508 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-01 01:51:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-01 01:51:47,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:47,845 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-01 01:51:53,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:51:53,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-01 01:51:53,715 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-01 01:51:53,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-01 01:51:53,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:51:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:51:54,020 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-01 01:52:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:00,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-01 01:52:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-01 01:52:00,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-01 01:52:00,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-01 01:52:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-01 01:52:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-01 01:52:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-01 01:52:07,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:08,512 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-01 01:52:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-01 01:52:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-01 01:52:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-01 01:52:16,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:16,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:17,007 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-01 01:52:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-01 01:52:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-01 01:52:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-01 01:52:24,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-01 01:52:33,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:33,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-01 01:52:33,190 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-01 01:52:33,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-01 01:52:33,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-01 01:52:42,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:42,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-01 01:52:42,163 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-01 01:52:42,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-01 01:52:42,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:42,579 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-01 01:52:51,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:52:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-01 01:52:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-01 01:52:51,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-01 01:52:51,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:52:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:52:51,958 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-01 01:53:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-01 01:53:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-01 01:53:01,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-01 01:53:01,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:01,657 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-01 01:53:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-01 01:53:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-01 01:53:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-01 01:53:11,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:11,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:11,827 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-01 01:53:21,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-01 01:53:21,798 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-01 01:53:21,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-01 01:53:21,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. [2018-10-01 01:53:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 316 states and 317 transitions. [2018-10-01 01:53:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 317 transitions. [2018-10-01 01:53:33,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-10-01 01:53:33,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:34,553 INFO L134 CoverageAnalysis]: Checked inductivity of 41106 backedges. 0 proven. 39676 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2018-10-01 01:53:45,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:45,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 328 states and 329 transitions. [2018-10-01 01:53:45,274 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 329 transitions. [2018-10-01 01:53:45,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-10-01 01:53:45,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:46,201 INFO L134 CoverageAnalysis]: Checked inductivity of 44334 backedges. 0 proven. 42849 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2018-10-01 01:53:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:53:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 340 states and 341 transitions. [2018-10-01 01:53:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 341 transitions. [2018-10-01 01:53:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-10-01 01:53:57,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:53:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:53:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 47684 backedges. 0 proven. 46144 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2018-10-01 01:54:10,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:54:10,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 352 states and 353 transitions. [2018-10-01 01:54:10,083 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 353 transitions. [2018-10-01 01:54:10,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-10-01 01:54:10,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:54:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:54:10,732 INFO L134 CoverageAnalysis]: Checked inductivity of 51156 backedges. 0 proven. 49561 refuted. 0 times theorem prover too weak. 1595 trivial. 0 not checked. [2018-10-01 01:54:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:54:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 364 states and 365 transitions. [2018-10-01 01:54:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 365 transitions. [2018-10-01 01:54:22,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-10-01 01:54:22,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:54:22,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:54:23,622 INFO L134 CoverageAnalysis]: Checked inductivity of 54750 backedges. 0 proven. 53100 refuted. 0 times theorem prover too weak. 1650 trivial. 0 not checked. [2018-10-01 01:54:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:54:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 376 states and 377 transitions. [2018-10-01 01:54:36,402 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 377 transitions. [2018-10-01 01:54:36,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2018-10-01 01:54:36,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:54:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:54:37,068 INFO L134 CoverageAnalysis]: Checked inductivity of 58466 backedges. 0 proven. 56761 refuted. 0 times theorem prover too weak. 1705 trivial. 0 not checked. [2018-10-01 01:54:50,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:54:50,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 388 states and 389 transitions. [2018-10-01 01:54:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 389 transitions. [2018-10-01 01:54:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2018-10-01 01:54:50,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:54:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:54:51,270 INFO L134 CoverageAnalysis]: Checked inductivity of 62304 backedges. 0 proven. 60544 refuted. 0 times theorem prover too weak. 1760 trivial. 0 not checked. [2018-10-01 01:55:04,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:55:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 400 states and 401 transitions. [2018-10-01 01:55:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 401 transitions. [2018-10-01 01:55:04,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-10-01 01:55:04,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:55:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:55:05,540 INFO L134 CoverageAnalysis]: Checked inductivity of 66264 backedges. 0 proven. 64449 refuted. 0 times theorem prover too weak. 1815 trivial. 0 not checked. [2018-10-01 01:55:19,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:55:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 412 states and 413 transitions. [2018-10-01 01:55:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 413 transitions. [2018-10-01 01:55:19,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-10-01 01:55:19,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:55:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:55:20,792 INFO L134 CoverageAnalysis]: Checked inductivity of 70346 backedges. 0 proven. 68476 refuted. 0 times theorem prover too weak. 1870 trivial. 0 not checked. [2018-10-01 01:55:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:55:34,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 424 states and 425 transitions. [2018-10-01 01:55:34,947 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 425 transitions. [2018-10-01 01:55:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2018-10-01 01:55:34,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:55:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:55:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 74550 backedges. 0 proven. 72625 refuted. 0 times theorem prover too weak. 1925 trivial. 0 not checked. [2018-10-01 01:55:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:55:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 436 states and 437 transitions. [2018-10-01 01:55:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 437 transitions. [2018-10-01 01:55:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2018-10-01 01:55:51,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:55:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:55:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 78876 backedges. 0 proven. 76896 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2018-10-01 01:56:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:56:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 448 states and 449 transitions. [2018-10-01 01:56:07,877 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 449 transitions. [2018-10-01 01:56:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2018-10-01 01:56:07,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:56:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:56:09,004 INFO L134 CoverageAnalysis]: Checked inductivity of 83324 backedges. 0 proven. 81289 refuted. 0 times theorem prover too weak. 2035 trivial. 0 not checked. [2018-10-01 01:56:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:56:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 460 states and 461 transitions. [2018-10-01 01:56:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 461 transitions. [2018-10-01 01:56:25,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2018-10-01 01:56:25,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:56:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:56:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 87894 backedges. 0 proven. 85804 refuted. 0 times theorem prover too weak. 2090 trivial. 0 not checked. [2018-10-01 01:56:42,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:56:42,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 472 states and 473 transitions. [2018-10-01 01:56:42,527 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 473 transitions. [2018-10-01 01:56:42,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2018-10-01 01:56:42,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:56:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:56:43,399 INFO L134 CoverageAnalysis]: Checked inductivity of 92586 backedges. 0 proven. 90441 refuted. 0 times theorem prover too weak. 2145 trivial. 0 not checked. [2018-10-01 01:57:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:57:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 484 states and 485 transitions. [2018-10-01 01:57:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 485 transitions. [2018-10-01 01:57:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2018-10-01 01:57:00,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:57:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:57:01,230 INFO L134 CoverageAnalysis]: Checked inductivity of 97400 backedges. 0 proven. 95200 refuted. 0 times theorem prover too weak. 2200 trivial. 0 not checked. [2018-10-01 01:57:18,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:57:18,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 496 states and 497 transitions. [2018-10-01 01:57:18,649 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 497 transitions. [2018-10-01 01:57:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2018-10-01 01:57:18,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:57:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:57:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 102336 backedges. 0 proven. 100081 refuted. 0 times theorem prover too weak. 2255 trivial. 0 not checked. [2018-10-01 01:57:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:57:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 508 states and 509 transitions. [2018-10-01 01:57:37,564 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 509 transitions. [2018-10-01 01:57:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-10-01 01:57:37,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:57:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:57:38,793 INFO L134 CoverageAnalysis]: Checked inductivity of 107394 backedges. 0 proven. 105084 refuted. 0 times theorem prover too weak. 2310 trivial. 0 not checked. [2018-10-01 01:57:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:57:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 520 states and 521 transitions. [2018-10-01 01:57:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 521 transitions. [2018-10-01 01:57:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-10-01 01:57:56,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:57:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:57:58,010 INFO L134 CoverageAnalysis]: Checked inductivity of 112574 backedges. 0 proven. 110209 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2018-10-01 01:58:16,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:58:16,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 532 states and 533 transitions. [2018-10-01 01:58:16,776 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 533 transitions. [2018-10-01 01:58:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2018-10-01 01:58:16,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:58:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:58:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 117876 backedges. 0 proven. 115456 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-10-01 01:58:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:58:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 544 states and 545 transitions. [2018-10-01 01:58:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 545 transitions. [2018-10-01 01:58:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2018-10-01 01:58:37,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:58:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:58:38,890 INFO L134 CoverageAnalysis]: Checked inductivity of 123300 backedges. 0 proven. 120825 refuted. 0 times theorem prover too weak. 2475 trivial. 0 not checked. [2018-10-01 01:58:58,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:58:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 556 states and 557 transitions. [2018-10-01 01:58:58,523 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 557 transitions. [2018-10-01 01:58:58,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2018-10-01 01:58:58,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:58:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:59:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 128846 backedges. 0 proven. 126316 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2018-10-01 01:59:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:59:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 568 states and 569 transitions. [2018-10-01 01:59:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 569 transitions. [2018-10-01 01:59:20,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2018-10-01 01:59:20,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:59:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:59:21,788 INFO L134 CoverageAnalysis]: Checked inductivity of 134514 backedges. 0 proven. 131929 refuted. 0 times theorem prover too weak. 2585 trivial. 0 not checked. [2018-10-01 01:59:42,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:59:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 580 states and 581 transitions. [2018-10-01 01:59:42,582 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 581 transitions. [2018-10-01 01:59:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 580 [2018-10-01 01:59:42,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:59:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:59:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 140304 backedges. 0 proven. 137664 refuted. 0 times theorem prover too weak. 2640 trivial. 0 not checked. [2018-10-01 02:00:05,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:00:05,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 592 states and 593 transitions. [2018-10-01 02:00:05,326 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 593 transitions. [2018-10-01 02:00:05,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 592 [2018-10-01 02:00:05,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:00:05,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:00:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 146216 backedges. 0 proven. 143521 refuted. 0 times theorem prover too weak. 2695 trivial. 0 not checked. [2018-10-01 02:00:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:00:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 604 states and 605 transitions. [2018-10-01 02:00:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 605 transitions. [2018-10-01 02:00:28,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2018-10-01 02:00:28,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:00:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:00:29,808 INFO L134 CoverageAnalysis]: Checked inductivity of 152250 backedges. 0 proven. 149500 refuted. 0 times theorem prover too weak. 2750 trivial. 0 not checked. [2018-10-01 02:00:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:00:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 616 states and 617 transitions. [2018-10-01 02:00:51,957 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 617 transitions. [2018-10-01 02:00:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2018-10-01 02:00:51,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:00:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:00:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 158406 backedges. 0 proven. 155601 refuted. 0 times theorem prover too weak. 2805 trivial. 0 not checked. [2018-10-01 02:01:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:16,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 628 states and 629 transitions. [2018-10-01 02:01:16,513 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 629 transitions. [2018-10-01 02:01:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 628 [2018-10-01 02:01:16,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 164684 backedges. 0 proven. 161824 refuted. 0 times theorem prover too weak. 2860 trivial. 0 not checked. [2018-10-01 02:01:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:01:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 640 states and 641 transitions. [2018-10-01 02:01:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 641 transitions. [2018-10-01 02:01:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2018-10-01 02:01:41,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:01:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:01:43,081 INFO L134 CoverageAnalysis]: Checked inductivity of 171084 backedges. 0 proven. 168169 refuted. 0 times theorem prover too weak. 2915 trivial. 0 not checked. [2018-10-01 02:02:07,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:07,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 652 states and 653 transitions. [2018-10-01 02:02:07,321 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 653 transitions. [2018-10-01 02:02:07,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2018-10-01 02:02:07,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 177606 backedges. 0 proven. 174636 refuted. 0 times theorem prover too weak. 2970 trivial. 0 not checked. [2018-10-01 02:02:33,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 664 states and 665 transitions. [2018-10-01 02:02:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 665 transitions. [2018-10-01 02:02:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 664 [2018-10-01 02:02:33,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:02:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 184250 backedges. 0 proven. 181225 refuted. 0 times theorem prover too weak. 3025 trivial. 0 not checked. [2018-10-01 02:02:59,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:02:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 676 states and 677 transitions. [2018-10-01 02:02:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 677 transitions. [2018-10-01 02:02:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2018-10-01 02:02:59,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:02:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:03:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 191016 backedges. 0 proven. 187936 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2018-10-01 02:03:12,826 WARN L178 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 Received shutdown request... [2018-10-01 02:03:27,624 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.10 02:03:27 ImpRootNode [2018-10-01 02:03:27,624 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-01 02:03:27,625 INFO L168 Benchmark]: Toolchain (without parser) took 774110.73 ms. Allocated memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -689.2 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-01 02:03:27,626 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:03:27,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:03:27,627 INFO L168 Benchmark]: Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 02:03:27,627 INFO L168 Benchmark]: RCFGBuilder took 331.85 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 02:03:27,628 INFO L168 Benchmark]: CodeCheck took 773708.04 ms. Allocated memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -710.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-10-01 02:03:27,631 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 35]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 35) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 7 locations, 1 error locations. UNKNOWN Result, 773.6s OverallTime, 115 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -4 SDslu, 0 SDs, 0 SdLazy, -98 SolverSat, -46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 177.2s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 23537 NumberOfCodeBlocks, 23537 NumberOfCodeBlocksAsserted, 115 NumberOfCheckSat, 23422 ConstructedInterpolants, 0 QuantifiedInterpolants, 26612998 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 115 InterpolantComputations, 2 PerfectInterpolantSequences, 257725/3823074 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.18 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 331.85 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 773708.04 ms. Allocated memory was 1.6 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -710.3 MB). Peak memory consumption was 1.2 GB. 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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-01_02-03-27-645.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_02-03-27-645.csv Completed graceful shutdown