/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 03:25:15,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 03:25:15,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 03:25:15,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 03:25:15,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 03:25:15,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 03:25:15,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 03:25:15,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 03:25:15,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 03:25:15,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 03:25:15,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 03:25:15,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 03:25:15,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 03:25:15,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 03:25:15,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 03:25:15,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 03:25:15,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 03:25:15,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 03:25:15,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 03:25:15,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 03:25:15,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 03:25:15,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 03:25:15,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 03:25:15,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 03:25:15,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 03:25:15,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 03:25:15,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 03:25:15,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 03:25:15,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 03:25:15,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 03:25:15,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 03:25:15,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 03:25:15,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 03:25:15,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 03:25:15,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 03:25:15,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 03:25:15,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 03:25:15,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 03:25:15,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 03:25:15,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 03:25:15,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 03:25:15,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 03:25:15,458 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 03:25:15,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 03:25:15,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 03:25:15,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 03:25:15,460 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 03:25:15,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 03:25:15,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 03:25:15,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 03:25:15,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 03:25:15,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 03:25:15,462 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 03:25:15,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 03:25:15,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 03:25:15,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 03:25:15,463 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 03:25:15,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 03:25:15,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:25:15,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 03:25:15,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 03:25:15,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 03:25:15,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 03:25:15,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 03:25:15,464 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 03:25:15,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 03:25:15,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 03:25:15,465 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 03:25:15,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 03:25:15,749 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 03:25:15,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 03:25:15,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 03:25:15,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 03:25:15,775 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 03:25:15,776 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2019-12-28 03:25:15,851 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0575da0a/17a236c2ba464987b3bcefe193734629/FLAGb6ebafc83 [2019-12-28 03:25:16,468 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 03:25:16,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_rmo.opt.i [2019-12-28 03:25:16,482 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0575da0a/17a236c2ba464987b3bcefe193734629/FLAGb6ebafc83 [2019-12-28 03:25:16,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a0575da0a/17a236c2ba464987b3bcefe193734629 [2019-12-28 03:25:16,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 03:25:16,699 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 03:25:16,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 03:25:16,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 03:25:16,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 03:25:16,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:25:16" (1/1) ... [2019-12-28 03:25:16,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d0f568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:16, skipping insertion in model container [2019-12-28 03:25:16,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:25:16" (1/1) ... [2019-12-28 03:25:16,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 03:25:16,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 03:25:17,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:25:17,335 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 03:25:17,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:25:17,505 INFO L208 MainTranslator]: Completed translation [2019-12-28 03:25:17,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17 WrapperNode [2019-12-28 03:25:17,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 03:25:17,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 03:25:17,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 03:25:17,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 03:25:17,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 03:25:17,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 03:25:17,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 03:25:17,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 03:25:17,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (1/1) ... [2019-12-28 03:25:17,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 03:25:17,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 03:25:17,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 03:25:17,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 03:25:17,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (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:2000 (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:2000 [2019-12-28 03:25:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 03:25:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 03:25:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 03:25:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 03:25:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 03:25:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 03:25:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 03:25:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 03:25:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 03:25:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 03:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 03:25:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 03:25:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 03:25:17,681 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 03:25:18,403 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 03:25:18,404 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 03:25:18,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:25:18 BoogieIcfgContainer [2019-12-28 03:25:18,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 03:25:18,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 03:25:18,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 03:25:18,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 03:25:18,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:25:16" (1/3) ... [2019-12-28 03:25:18,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc9250a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:25:18, skipping insertion in model container [2019-12-28 03:25:18,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:17" (2/3) ... [2019-12-28 03:25:18,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fc9250a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:25:18, skipping insertion in model container [2019-12-28 03:25:18,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:25:18" (3/3) ... [2019-12-28 03:25:18,415 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_rmo.opt.i [2019-12-28 03:25:18,426 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 03:25:18,426 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 03:25:18,438 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 03:25:18,439 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 03:25:18,490 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,491 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,491 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,491 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,492 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,492 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,493 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,493 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,493 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,494 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,495 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,496 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,497 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,498 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,498 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,498 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,498 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,499 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,499 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,499 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,499 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,500 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,500 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,500 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,501 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,501 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,502 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,502 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,502 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,503 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,503 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,514 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,514 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,516 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,516 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,516 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,516 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,517 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,520 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,521 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,521 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,521 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,524 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,525 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,525 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,525 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,525 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,525 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,526 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,526 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,526 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,526 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:18,542 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 03:25:18,562 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 03:25:18,562 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 03:25:18,562 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 03:25:18,562 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 03:25:18,578 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 03:25:18,579 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 03:25:18,579 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 03:25:18,579 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 03:25:18,596 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-28 03:25:33,014 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-28 03:25:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-28 03:25:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-28 03:25:33,036 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:33,037 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:25:33,037 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:33,042 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-28 03:25:33,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:33,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295453975] [2019-12-28 03:25:33,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:33,428 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295453975] [2019-12-28 03:25:33,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:33,430 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 03:25:33,430 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [837252791] [2019-12-28 03:25:33,431 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:33,439 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:33,462 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 45 states and 44 transitions. [2019-12-28 03:25:33,463 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:33,468 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:33,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 03:25:33,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:33,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 03:25:33,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:25:33,486 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-28 03:25:36,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:36,604 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-28 03:25:36,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 03:25:36,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-28 03:25:36,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:37,271 INFO L225 Difference]: With dead ends: 96401 [2019-12-28 03:25:37,271 INFO L226 Difference]: Without dead ends: 85521 [2019-12-28 03:25:37,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:25:38,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-28 03:25:42,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-28 03:25:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-28 03:25:43,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-28 03:25:43,067 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-28 03:25:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:43,068 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-28 03:25:43,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 03:25:43,068 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-28 03:25:43,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 03:25:43,081 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:43,081 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:25:43,082 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:43,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:43,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-28 03:25:43,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:43,083 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855494458] [2019-12-28 03:25:43,084 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:43,256 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855494458] [2019-12-28 03:25:43,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:43,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:25:43,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1173376973] [2019-12-28 03:25:43,257 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:43,266 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:43,275 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 80 states and 107 transitions. [2019-12-28 03:25:43,276 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:43,279 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:43,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:25:43,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:43,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:25:43,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:25:43,282 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-28 03:25:47,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:47,610 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-28 03:25:47,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:25:47,610 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-28 03:25:47,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:48,810 INFO L225 Difference]: With dead ends: 139649 [2019-12-28 03:25:48,811 INFO L226 Difference]: Without dead ends: 138929 [2019-12-28 03:25:48,812 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:25:49,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-28 03:25:55,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-28 03:25:55,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-28 03:26:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-28 03:26:01,684 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-28 03:26:01,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:01,684 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-28 03:26:01,685 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:26:01,685 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-28 03:26:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-28 03:26:01,694 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:01,694 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:01,694 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:01,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:01,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-28 03:26:01,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:01,696 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448192964] [2019-12-28 03:26:01,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:01,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:01,844 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448192964] [2019-12-28 03:26:01,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:01,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:26:01,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1734617576] [2019-12-28 03:26:01,846 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:01,852 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:01,858 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 53 states and 52 transitions. [2019-12-28 03:26:01,858 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:01,859 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:01,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:26:01,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:01,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:26:01,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:26:01,860 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-28 03:26:04,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:04,156 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-28 03:26:04,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:26:04,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-28 03:26:04,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:04,702 INFO L225 Difference]: With dead ends: 161553 [2019-12-28 03:26:04,702 INFO L226 Difference]: Without dead ends: 160753 [2019-12-28 03:26:04,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:26:05,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-28 03:26:14,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-28 03:26:14,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-28 03:26:14,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-28 03:26:14,666 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-28 03:26:14,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:14,666 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-28 03:26:14,667 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:26:14,667 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-28 03:26:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-28 03:26:14,706 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:14,706 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:14,706 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:14,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:14,707 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-28 03:26:14,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:14,708 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347803955] [2019-12-28 03:26:14,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:14,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:14,793 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347803955] [2019-12-28 03:26:14,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:14,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:14,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1025000306] [2019-12-28 03:26:14,794 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:14,800 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:14,815 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 143 transitions. [2019-12-28 03:26:14,815 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:14,816 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:14,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:26:14,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:14,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:26:14,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:26:14,817 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-28 03:26:17,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:17,555 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-28 03:26:17,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 03:26:17,556 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-28 03:26:17,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:19,606 INFO L225 Difference]: With dead ends: 183581 [2019-12-28 03:26:19,606 INFO L226 Difference]: Without dead ends: 182861 [2019-12-28 03:26:19,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-28 03:26:20,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-28 03:26:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-28 03:26:29,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-28 03:26:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-28 03:26:30,633 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-28 03:26:30,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:30,634 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-28 03:26:30,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:26:30,634 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-28 03:26:30,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-28 03:26:30,719 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:30,719 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:30,719 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:30,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:30,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-28 03:26:30,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:30,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288386717] [2019-12-28 03:26:30,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:30,830 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288386717] [2019-12-28 03:26:30,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:30,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:30,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [342862092] [2019-12-28 03:26:30,831 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:30,841 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:30,860 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 66 transitions. [2019-12-28 03:26:30,860 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:30,862 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:30,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:26:30,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:30,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:26:30,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:26:30,863 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-28 03:26:37,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:37,894 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-28 03:26:37,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:26:37,895 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-28 03:26:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:38,520 INFO L225 Difference]: With dead ends: 185113 [2019-12-28 03:26:38,520 INFO L226 Difference]: Without dead ends: 183913 [2019-12-28 03:26:38,521 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-28 03:26:39,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-28 03:26:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-28 03:26:42,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-28 03:26:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-28 03:26:44,127 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-28 03:26:44,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:44,127 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-28 03:26:44,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:26:44,127 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-28 03:26:44,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-28 03:26:44,245 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:44,245 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:44,246 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:44,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:44,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-28 03:26:44,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:44,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736729522] [2019-12-28 03:26:44,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:44,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:44,298 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736729522] [2019-12-28 03:26:44,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:44,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 03:26:44,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1378380962] [2019-12-28 03:26:44,299 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:44,310 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:44,326 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 69 states and 68 transitions. [2019-12-28 03:26:44,327 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:44,327 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:44,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 03:26:44,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:44,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 03:26:44,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:26:44,328 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-28 03:26:47,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:47,135 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-28 03:26:47,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 03:26:47,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-28 03:26:47,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:47,822 INFO L225 Difference]: With dead ends: 202237 [2019-12-28 03:26:47,823 INFO L226 Difference]: Without dead ends: 202237 [2019-12-28 03:26:47,823 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:26:56,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-28 03:26:59,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-28 03:26:59,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-28 03:27:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-28 03:27:00,297 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-28 03:27:00,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:00,297 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-28 03:27:00,297 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 03:27:00,297 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-28 03:27:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-28 03:27:00,466 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:00,466 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:00,467 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:00,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:00,467 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-28 03:27:00,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:00,468 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966434768] [2019-12-28 03:27:00,468 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:00,592 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966434768] [2019-12-28 03:27:00,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:00,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:27:00,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1054916152] [2019-12-28 03:27:00,593 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:00,604 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:00,622 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 72 transitions. [2019-12-28 03:27:00,622 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:00,623 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:27:00,623 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:27:00,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:00,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:27:00,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:27:00,624 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-28 03:27:10,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:10,725 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-28 03:27:10,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:27:10,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-28 03:27:10,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:11,548 INFO L225 Difference]: With dead ends: 224101 [2019-12-28 03:27:11,548 INFO L226 Difference]: Without dead ends: 222901 [2019-12-28 03:27:11,549 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-28 03:27:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-28 03:27:15,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-28 03:27:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-28 03:27:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-28 03:27:17,407 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-28 03:27:17,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:17,408 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-28 03:27:17,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:27:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-28 03:27:17,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-28 03:27:17,557 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:17,557 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:17,557 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:17,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:17,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-28 03:27:17,558 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:17,558 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732413026] [2019-12-28 03:27:17,558 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:17,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:17,668 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732413026] [2019-12-28 03:27:17,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:17,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:27:17,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1600854492] [2019-12-28 03:27:17,669 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:17,681 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:17,712 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 116 states and 157 transitions. [2019-12-28 03:27:17,712 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:17,713 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:27:17,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:27:17,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:17,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:27:17,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:27:17,717 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-28 03:27:25,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:25,118 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-28 03:27:25,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:27:25,119 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-28 03:27:25,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:26,560 INFO L225 Difference]: With dead ends: 220861 [2019-12-28 03:27:26,560 INFO L226 Difference]: Without dead ends: 219861 [2019-12-28 03:27:26,561 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-28 03:27:27,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-28 03:27:31,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-28 03:27:31,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-28 03:27:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-28 03:27:32,914 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-28 03:27:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:32,914 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-28 03:27:32,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:27:32,914 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-28 03:27:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:27:33,096 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:33,096 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:33,096 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:33,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:33,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-28 03:27:33,097 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:33,097 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639983222] [2019-12-28 03:27:33,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:33,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:33,235 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639983222] [2019-12-28 03:27:33,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:33,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:27:33,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1505956956] [2019-12-28 03:27:33,236 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:33,247 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:33,263 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:27:33,263 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:33,310 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:27:33,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 03:27:33,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:33,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 03:27:33,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:27:33,312 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 8 states. [2019-12-28 03:27:41,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:41,773 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-28 03:27:41,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 03:27:41,774 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2019-12-28 03:27:41,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:42,864 INFO L225 Difference]: With dead ends: 262765 [2019-12-28 03:27:42,864 INFO L226 Difference]: Without dead ends: 260189 [2019-12-28 03:27:42,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 03:27:44,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-28 03:27:50,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-28 03:27:50,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-28 03:28:01,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-28 03:28:01,351 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-28 03:28:01,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:28:01,351 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-28 03:28:01,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 03:28:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-28 03:28:01,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:28:01,680 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:28:01,680 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:28:01,680 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:28:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:28:01,681 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-28 03:28:01,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:28:01,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083802655] [2019-12-28 03:28:01,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:28:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:28:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:28:01,803 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083802655] [2019-12-28 03:28:01,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:28:01,804 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:28:01,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [251199598] [2019-12-28 03:28:01,804 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:28:01,816 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:28:01,832 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:28:01,833 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:28:01,852 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:28:01,853 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 03:28:01,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:28:01,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 03:28:01,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-28 03:28:01,854 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 9 states. [2019-12-28 03:28:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:28:06,995 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-28 03:28:06,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:28:06,995 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-12-28 03:28:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:28:08,212 INFO L225 Difference]: With dead ends: 332389 [2019-12-28 03:28:08,212 INFO L226 Difference]: Without dead ends: 332389 [2019-12-28 03:28:08,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 Received shutdown request... [2019-12-28 03:28:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. [2019-12-28 03:28:18,632 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 03:28:18,637 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 03:28:18,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:28:18 BasicIcfg [2019-12-28 03:28:18,637 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 03:28:18,639 INFO L168 Benchmark]: Toolchain (without parser) took 181940.49 ms. Allocated memory was 136.8 MB in the beginning and 5.4 GB in the end (delta: 5.3 GB). Free memory was 100.3 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.1 GB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,640 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-28 03:28:18,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.43 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 153.0 MB in the end (delta: -53.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.50 ms. Allocated memory is still 201.3 MB. Free memory was 153.0 MB in the beginning and 149.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,642 INFO L168 Benchmark]: Boogie Preprocessor took 40.05 ms. Allocated memory is still 201.3 MB. Free memory was 149.8 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,643 INFO L168 Benchmark]: RCFGBuilder took 791.41 ms. Allocated memory is still 201.3 MB. Free memory was 147.8 MB in the beginning and 100.8 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,644 INFO L168 Benchmark]: TraceAbstraction took 180230.33 ms. Allocated memory was 201.3 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 100.8 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.0 GB. Max. memory is 7.1 GB. [2019-12-28 03:28:18,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 805.43 ms. Allocated memory was 136.8 MB in the beginning and 201.3 MB in the end (delta: 64.5 MB). Free memory was 99.8 MB in the beginning and 153.0 MB in the end (delta: -53.1 MB). Peak memory consumption was 24.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.50 ms. Allocated memory is still 201.3 MB. Free memory was 153.0 MB in the beginning and 149.8 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.05 ms. Allocated memory is still 201.3 MB. Free memory was 149.8 MB in the beginning and 147.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 791.41 ms. Allocated memory is still 201.3 MB. Free memory was 147.8 MB in the beginning and 100.8 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180230.33 ms. Allocated memory was 201.3 MB in the beginning and 5.4 GB in the end (delta: 5.2 GB). Free memory was 100.8 MB in the beginning and 3.2 GB in the end (delta: -3.1 GB). Peak memory consumption was 5.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 63.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4874 SDslu, 8651 SDs, 0 SdLazy, 3765 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 98.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown