./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 751def0588f132c393a8666a5acb62e8205c40a1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:38:36,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:38:36,719 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:38:36,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:38:36,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:38:36,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:38:36,728 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:38:36,730 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:38:36,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:38:36,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:38:36,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:38:36,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:38:36,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:38:36,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:38:36,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:38:36,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:38:36,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:38:36,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:38:36,737 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:38:36,738 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:38:36,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:38:36,740 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:38:36,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:38:36,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:38:36,742 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:38:36,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:38:36,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:38:36,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:38:36,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:38:36,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:38:36,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:38:36,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:38:36,746 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:38:36,746 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:38:36,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:38:36,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:38:36,748 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 11:38:36,755 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:38:36,756 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:38:36,756 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:38:36,757 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 11:38:36,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 11:38:36,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 11:38:36,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:38:36,757 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:38:36,758 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:38:36,759 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:38:36,759 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:38:36,759 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:38:36,759 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 11:38:36,759 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 11:38:36,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:38:36,759 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 11:38:36,760 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:38:36,760 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 751def0588f132c393a8666a5acb62e8205c40a1 [2018-11-23 11:38:36,785 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:38:36,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:38:36,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:38:36,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:38:36,799 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:38:36,800 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-11-23 11:38:36,844 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/data/991a62079/00efc66595464f90857b47e04116c632/FLAGb44beaa9e [2018-11-23 11:38:37,244 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:38:37,245 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-11-23 11:38:37,250 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/data/991a62079/00efc66595464f90857b47e04116c632/FLAGb44beaa9e [2018-11-23 11:38:37,260 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/data/991a62079/00efc66595464f90857b47e04116c632 [2018-11-23 11:38:37,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:38:37,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:38:37,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:38:37,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:38:37,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:38:37,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fae5e35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37, skipping insertion in model container [2018-11-23 11:38:37,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,274 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:38:37,288 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:38:37,398 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:38:37,401 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:38:37,412 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:38:37,422 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:38:37,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37 WrapperNode [2018-11-23 11:38:37,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:38:37,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:38:37,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:38:37,422 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:38:37,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:38:37,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:38:37,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:38:37,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:38:37,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,451 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:38:37,457 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:38:37,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:38:37,457 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:38:37,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:38:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/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 [2018-11-23 11:38:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:38:37,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:38:37,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 11:38:37,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 11:38:37,711 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:38:37,711 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-11-23 11:38:37,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:38:37 BoogieIcfgContainer [2018-11-23 11:38:37,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:38:37,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 11:38:37,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 11:38:37,720 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 11:38:37,721 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:38:37" (1/1) ... [2018-11-23 11:38:37,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:38:37,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:37,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-23 11:38:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-23 11:38:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 11:38:37,755 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:37,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-11-23 11:38:37,997 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-11-23 11:38:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 11:38:38,001 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:38,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:38,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 76 transitions. [2018-11-23 11:38:38,083 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-11-23 11:38:38,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 11:38:38,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-11-23 11:38:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-11-23 11:38:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 11:38:38,499 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:38:38,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:38,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-11-23 11:38:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-11-23 11:38:38,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-23 11:38:38,604 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:38:39,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:39,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2018-11-23 11:38:39,128 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2018-11-23 11:38:39,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 11:38:39,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:39,176 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 11:38:39,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 102 transitions. [2018-11-23 11:38:39,241 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2018-11-23 11:38:39,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 11:38:39,242 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 11:38:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 117 transitions. [2018-11-23 11:38:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2018-11-23 11:38:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 11:38:39,740 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:39,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 11:38:39,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 115 transitions. [2018-11-23 11:38:39,780 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-11-23 11:38:39,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-23 11:38:39,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:39,835 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-23 11:38:40,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:40,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 127 transitions. [2018-11-23 11:38:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-11-23 11:38:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 11:38:40,006 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:40,052 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 11:38:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 72 states and 140 transitions. [2018-11-23 11:38:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-11-23 11:38:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-23 11:38:40,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:40,284 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 11:38:40,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:40,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 147 transitions. [2018-11-23 11:38:40,465 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-11-23 11:38:40,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 11:38:40,466 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:40,483 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 11:38:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:40,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 150 transitions. [2018-11-23 11:38:40,572 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2018-11-23 11:38:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 11:38:40,572 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:40,587 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 11:38:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 80 states and 160 transitions. [2018-11-23 11:38:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 160 transitions. [2018-11-23 11:38:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 11:38:40,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:40,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-23 11:38:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 163 transitions. [2018-11-23 11:38:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-11-23 11:38:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 11:38:41,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:41,171 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-23 11:38:41,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:41,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 84 states and 163 transitions. [2018-11-23 11:38:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 163 transitions. [2018-11-23 11:38:41,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 11:38:41,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:41,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 11:38:41,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 88 states and 171 transitions. [2018-11-23 11:38:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2018-11-23 11:38:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 11:38:41,611 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:41,680 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 11:38:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:42,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 181 transitions. [2018-11-23 11:38:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2018-11-23 11:38:42,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-23 11:38:42,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:42,077 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-23 11:38:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:42,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 100 states and 202 transitions. [2018-11-23 11:38:42,556 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 202 transitions. [2018-11-23 11:38:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 11:38:42,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 11:38:43,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 102 states and 208 transitions. [2018-11-23 11:38:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 208 transitions. [2018-11-23 11:38:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 11:38:43,090 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 11:38:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 102 states and 207 transitions. [2018-11-23 11:38:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 207 transitions. [2018-11-23 11:38:43,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 11:38:43,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:43,162 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-23 11:38:43,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 107 states and 222 transitions. [2018-11-23 11:38:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 222 transitions. [2018-11-23 11:38:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-23 11:38:43,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:43,792 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-23 11:38:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 110 states and 228 transitions. [2018-11-23 11:38:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 228 transitions. [2018-11-23 11:38:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 11:38:43,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 19 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-23 11:38:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 117 states and 243 transitions. [2018-11-23 11:38:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 243 transitions. [2018-11-23 11:38:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-23 11:38:44,108 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:44,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:44,120 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 44 proven. 32 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-23 11:38:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:44,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 118 states and 246 transitions. [2018-11-23 11:38:44,404 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 246 transitions. [2018-11-23 11:38:44,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 11:38:44,405 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:44,420 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-23 11:38:44,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:44,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 125 states and 260 transitions. [2018-11-23 11:38:44,640 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 260 transitions. [2018-11-23 11:38:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 11:38:44,641 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-11-23 11:38:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:44,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 125 states and 259 transitions. [2018-11-23 11:38:44,735 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 259 transitions. [2018-11-23 11:38:44,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 11:38:44,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-23 11:38:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 135 states and 276 transitions. [2018-11-23 11:38:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 276 transitions. [2018-11-23 11:38:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-23 11:38:45,194 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:45,211 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 44 proven. 50 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-23 11:38:45,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 139 states and 289 transitions. [2018-11-23 11:38:45,821 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 289 transitions. [2018-11-23 11:38:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 11:38:45,822 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 27 proven. 42 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-23 11:38:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 146 states and 314 transitions. [2018-11-23 11:38:46,682 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 314 transitions. [2018-11-23 11:38:46,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-23 11:38:46,683 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:46,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:46,704 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2018-11-23 11:38:47,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 58 states and 94 transitions. [2018-11-23 11:38:47,735 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2018-11-23 11:38:47,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 11:38:47,736 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 11:38:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:38:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 60 proven. 50 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-11-23 11:38:47,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 11:38:47,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 40 states and 65 transitions. [2018-11-23 11:38:47,928 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-23 11:38:47,928 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:38:47,929 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-11-23 11:38:47,936 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 11:38:48,205 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:38:48,207 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:38:48,207 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:38:48,207 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 11:38:48,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 11:38:48 ImpRootNode [2018-11-23 11:38:48,208 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 11:38:48,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:38:48,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:38:48,208 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:38:48,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:38:37" (3/4) ... [2018-11-23 11:38:48,211 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:38:48,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-23 11:38:48,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-23 11:38:48,218 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:38:48,255 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc97e6fa-35da-4210-b2e9-72e6fef57def/bin-2019/ukojak/witness.graphml [2018-11-23 11:38:48,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:38:48,256 INFO L168 Benchmark]: Toolchain (without parser) took 10993.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 289.9 MB). Free memory was 958.2 MB in the beginning and 851.2 MB in the end (delta: 106.9 MB). Peak memory consumption was 396.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:38:48,257 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:38:48,257 INFO L168 Benchmark]: CACSL2BoogieTranslator took 158.15 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:38:48,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 11:38:48,257 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:38:48,257 INFO L168 Benchmark]: RCFGBuilder took 254.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-23 11:38:48,258 INFO L168 Benchmark]: CodeCheck took 10495.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 851.2 MB in the end (delta: 259.0 MB). Peak memory consumption was 418.9 MB. Max. memory is 11.5 GB. [2018-11-23 11:38:48,258 INFO L168 Benchmark]: Witness Printer took 47.05 ms. Allocated memory is still 1.3 GB. Free memory is still 851.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:38:48,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 37 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -805306368 SDtfs, -953040520 SDslu, 408464520 SDs, 0 SdLazy, 290491924 SolverSat, -1000931236 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15365 GetRequests, 14851 SyntacticMatches, 232 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36810 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1498 NumberOfCodeBlocks, 1498 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1467 ConstructedInterpolants, 0 QuantifiedInterpolants, 182059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 4 PerfectInterpolantSequences, 3740/4376 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 - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 158.15 ms. Allocated memory is still 1.0 GB. Free memory was 958.2 MB in the beginning and 947.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.64 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.61 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 254.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 10495.61 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 159.9 MB). Free memory was 1.1 GB in the beginning and 851.2 MB in the end (delta: 259.0 MB). Peak memory consumption was 418.9 MB. Max. memory is 11.5 GB. * Witness Printer took 47.05 ms. Allocated memory is still 1.3 GB. Free memory is still 851.2 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...