/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-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:54:07,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:54:07,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:54:07,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:54:07,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:54:07,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:54:07,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:54:07,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:54:07,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:54:07,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:54:07,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:54:07,418 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:54:07,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:54:07,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:54:07,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:54:07,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:54:07,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:54:07,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:54:07,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:54:07,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:54:07,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:54:07,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:54:07,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:54:07,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:54:07,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 18:54:07,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:54:07,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:54:07,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:54:07,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:54:07,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:54:07,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:54:07,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:54:07,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:54:07,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:54:07,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:54:07,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:54:07,451 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-SemanticLbe-MCR.epf [2019-12-27 18:54:07,476 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:54:07,476 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:54:07,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:54:07,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:54:07,478 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:54:07,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:54:07,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:54:07,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:54:07,481 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:54:07,481 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:54:07,481 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:54:07,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:54:07,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:54:07,482 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:54:07,482 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:54:07,482 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:54:07,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:54:07,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:54:07,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:54:07,483 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:54:07,483 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:54:07,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:54:07,484 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:54:07,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:54:07,485 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:54:07,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:54:07,793 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:54:07,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:54:07,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:54:07,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:54:07,818 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:54:07,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-27 18:54:07,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b050f074/8dab826105194876be7e725ab00ac8c1/FLAGd0f14a3d1 [2019-12-27 18:54:08,460 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:54:08,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-27 18:54:08,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b050f074/8dab826105194876be7e725ab00ac8c1/FLAGd0f14a3d1 [2019-12-27 18:54:08,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b050f074/8dab826105194876be7e725ab00ac8c1 [2019-12-27 18:54:08,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:54:08,733 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:54:08,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:54:08,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:54:08,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:54:08,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:54:08" (1/1) ... [2019-12-27 18:54:08,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7d11a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:08, skipping insertion in model container [2019-12-27 18:54:08,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:54:08" (1/1) ... [2019-12-27 18:54:08,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:54:08,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:54:09,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:54:09,255 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:54:09,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:54:09,406 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:54:09,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09 WrapperNode [2019-12-27 18:54:09,407 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:54:09,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:54:09,408 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:54:09,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:54:09,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:54:09,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:54:09,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:54:09,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:54:09,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (1/1) ... [2019-12-27 18:54:09,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:54:09,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:54:09,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:54:09,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:54:09,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (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 [2019-12-27 18:54:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:54:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:54:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:54:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:54:09,547 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:54:09,547 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:54:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:54:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:54:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 18:54:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 18:54:09,548 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 18:54:09,548 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 18:54:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:54:09,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:54:09,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:54:09,551 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:54:09,966 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:54:09,967 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:54:09,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:54:09 BoogieIcfgContainer [2019-12-27 18:54:09,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:54:09,971 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:54:09,971 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:54:09,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:54:09,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:54:08" (1/3) ... [2019-12-27 18:54:09,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186f09d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:54:09, skipping insertion in model container [2019-12-27 18:54:09,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:54:09" (2/3) ... [2019-12-27 18:54:09,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@186f09d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:54:09, skipping insertion in model container [2019-12-27 18:54:09,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:54:09" (3/3) ... [2019-12-27 18:54:09,980 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2019-12-27 18:54:09,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:54:09,991 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:54:10,005 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:54:10,006 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:54:10,035 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,035 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,035 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,036 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,036 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,036 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,037 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,037 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,037 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,038 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,038 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,038 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,039 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,039 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,039 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,039 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,040 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,040 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,040 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,041 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,041 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,041 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,041 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,042 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,052 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,053 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,053 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,053 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,061 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,062 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,062 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,062 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,071 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,071 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,071 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,072 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:54:10,083 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 18:54:10,101 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:54:10,101 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:54:10,101 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:54:10,101 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:54:10,102 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:54:10,102 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:54:10,102 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:54:10,102 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:54:10,115 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions [2019-12-27 18:54:10,116 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-27 18:54:10,183 INFO L132 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-27 18:54:10,184 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:54:10,195 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 0/61 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:54:10,201 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-27 18:54:10,231 INFO L132 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-27 18:54:10,232 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:54:10,233 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 63 events. 1/63 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 26 event pairs. 0/61 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:54:10,235 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 18:54:10,236 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:54:11,889 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-27 18:54:11,988 INFO L206 etLargeBlockEncoding]: Checked pairs total: 723 [2019-12-27 18:54:11,989 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-27 18:54:11,993 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-27 18:54:12,030 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-27 18:54:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-27 18:54:12,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:54:12,047 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:12,048 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:12,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:12,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:12,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1014881653, now seen corresponding path program 1 times [2019-12-27 18:54:12,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:12,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452132540] [2019-12-27 18:54:12,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:12,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452132540] [2019-12-27 18:54:12,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:12,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:54:12,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1820235037] [2019-12-27 18:54:12,397 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:12,405 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:12,419 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:54:12,420 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:12,423 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:12,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:54:12,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:12,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:54:12,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:54:12,441 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-27 18:54:12,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:12,463 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-27 18:54:12,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:54:12,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 18:54:12,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:12,478 INFO L225 Difference]: With dead ends: 102 [2019-12-27 18:54:12,478 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 18:54:12,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:54:12,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 18:54:12,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 18:54:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 18:54:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 18:54:12,525 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 18:54:12,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:12,526 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 18:54:12,526 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:54:12,526 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 18:54:12,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:54:12,528 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:12,528 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:12,528 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:12,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:12,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1396559818, now seen corresponding path program 1 times [2019-12-27 18:54:12,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:12,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739895815] [2019-12-27 18:54:12,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:12,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:12,657 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739895815] [2019-12-27 18:54:12,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:12,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:54:12,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1626723565] [2019-12-27 18:54:12,658 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:12,659 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:12,665 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 18:54:12,665 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:12,666 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:12,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:54:12,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:12,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:54:12,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:54:12,670 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 4 states. [2019-12-27 18:54:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:12,711 INFO L93 Difference]: Finished difference Result 74 states and 164 transitions. [2019-12-27 18:54:12,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:54:12,713 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 18:54:12,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:12,714 INFO L225 Difference]: With dead ends: 74 [2019-12-27 18:54:12,714 INFO L226 Difference]: Without dead ends: 58 [2019-12-27 18:54:12,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:54:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2019-12-27 18:54:12,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2019-12-27 18:54:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2019-12-27 18:54:12,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 124 transitions. [2019-12-27 18:54:12,730 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 124 transitions. Word has length 11 [2019-12-27 18:54:12,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:12,730 INFO L462 AbstractCegarLoop]: Abstraction has 58 states and 124 transitions. [2019-12-27 18:54:12,731 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:54:12,731 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 124 transitions. [2019-12-27 18:54:12,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:54:12,735 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:12,735 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:12,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:12,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:12,735 INFO L82 PathProgramCache]: Analyzing trace with hash 37410345, now seen corresponding path program 1 times [2019-12-27 18:54:12,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:12,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617186930] [2019-12-27 18:54:12,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:12,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617186930] [2019-12-27 18:54:12,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:12,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:54:12,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [819276935] [2019-12-27 18:54:12,816 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:12,817 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:12,819 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 16 transitions. [2019-12-27 18:54:12,820 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:12,821 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:12,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:54:12,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:12,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:54:12,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:54:12,822 INFO L87 Difference]: Start difference. First operand 58 states and 124 transitions. Second operand 4 states. [2019-12-27 18:54:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:12,843 INFO L93 Difference]: Finished difference Result 68 states and 137 transitions. [2019-12-27 18:54:12,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:54:12,843 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-12-27 18:54:12,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:12,844 INFO L225 Difference]: With dead ends: 68 [2019-12-27 18:54:12,845 INFO L226 Difference]: Without dead ends: 44 [2019-12-27 18:54:12,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:54:12,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-27 18:54:12,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-27 18:54:12,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 18:54:12,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 81 transitions. [2019-12-27 18:54:12,850 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 81 transitions. Word has length 12 [2019-12-27 18:54:12,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:12,850 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 81 transitions. [2019-12-27 18:54:12,850 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:54:12,851 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2019-12-27 18:54:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:54:12,851 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:12,852 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:12,852 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:12,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:12,852 INFO L82 PathProgramCache]: Analyzing trace with hash 2064287004, now seen corresponding path program 1 times [2019-12-27 18:54:12,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:12,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383595444] [2019-12-27 18:54:12,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:12,894 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383595444] [2019-12-27 18:54:12,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:12,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:54:12,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1109376401] [2019-12-27 18:54:12,895 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:12,896 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:12,899 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:54:12,899 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:12,899 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:12,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:54:12,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:12,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:54:12,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:54:12,901 INFO L87 Difference]: Start difference. First operand 44 states and 81 transitions. Second operand 3 states. [2019-12-27 18:54:12,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:12,906 INFO L93 Difference]: Finished difference Result 43 states and 79 transitions. [2019-12-27 18:54:12,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:54:12,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 18:54:12,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:12,907 INFO L225 Difference]: With dead ends: 43 [2019-12-27 18:54:12,907 INFO L226 Difference]: Without dead ends: 43 [2019-12-27 18:54:12,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:54:12,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-27 18:54:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-27 18:54:12,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-27 18:54:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2019-12-27 18:54:12,912 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 13 [2019-12-27 18:54:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:12,913 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2019-12-27 18:54:12,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:54:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2019-12-27 18:54:12,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:54:12,914 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:12,914 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:12,914 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:12,915 INFO L82 PathProgramCache]: Analyzing trace with hash -432128726, now seen corresponding path program 1 times [2019-12-27 18:54:12,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:12,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225200520] [2019-12-27 18:54:12,916 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:12,994 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225200520] [2019-12-27 18:54:12,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:12,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:54:12,995 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1687325635] [2019-12-27 18:54:12,995 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:13,002 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:13,006 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 18:54:13,007 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:13,007 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:13,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:54:13,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:13,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:54:13,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:54:13,008 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand 4 states. [2019-12-27 18:54:13,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:13,054 INFO L93 Difference]: Finished difference Result 45 states and 80 transitions. [2019-12-27 18:54:13,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:54:13,054 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 18:54:13,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:13,055 INFO L225 Difference]: With dead ends: 45 [2019-12-27 18:54:13,055 INFO L226 Difference]: Without dead ends: 25 [2019-12-27 18:54:13,056 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:54:13,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-27 18:54:13,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-27 18:54:13,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-27 18:54:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-27 18:54:13,061 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 14 [2019-12-27 18:54:13,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:13,061 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-27 18:54:13,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:54:13,062 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-27 18:54:13,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:54:13,062 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:54:13,063 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:54:13,063 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:54:13,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:54:13,063 INFO L82 PathProgramCache]: Analyzing trace with hash -431612576, now seen corresponding path program 2 times [2019-12-27 18:54:13,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:54:13,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148876931] [2019-12-27 18:54:13,064 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:54:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:54:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:54:13,131 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148876931] [2019-12-27 18:54:13,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:54:13,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:54:13,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [317562871] [2019-12-27 18:54:13,132 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:54:13,135 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:54:13,139 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 18:54:13,139 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:54:13,139 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:54:13,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 18:54:13,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:54:13,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 18:54:13,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 18:54:13,140 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-27 18:54:13,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:54:13,155 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-27 18:54:13,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:54:13,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-27 18:54:13,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:54:13,156 INFO L225 Difference]: With dead ends: 24 [2019-12-27 18:54:13,156 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:54:13,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:54:13,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:54:13,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:54:13,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:54:13,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:54:13,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 18:54:13,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:54:13,158 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:54:13,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 18:54:13,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:54:13,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:54:13,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:54:13 BasicIcfg [2019-12-27 18:54:13,163 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:54:13,165 INFO L168 Benchmark]: Toolchain (without parser) took 4432.34 ms. Allocated memory was 138.9 MB in the beginning and 246.4 MB in the end (delta: 107.5 MB). Free memory was 102.1 MB in the beginning and 198.7 MB in the end (delta: -96.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,166 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 159.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.81 ms. Allocated memory is still 203.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,169 INFO L168 Benchmark]: Boogie Preprocessor took 26.04 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,170 INFO L168 Benchmark]: RCFGBuilder took 488.70 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 133.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-12-27 18:54:13,170 INFO L168 Benchmark]: TraceAbstraction took 3191.85 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 18:54:13,188 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 673.14 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.8 MB in the beginning and 159.6 MB in the end (delta: -57.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.81 ms. Allocated memory is still 203.4 MB. Free memory was 159.6 MB in the beginning and 157.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.04 ms. Allocated memory is still 203.4 MB. Free memory was 157.6 MB in the beginning and 156.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 488.70 ms. Allocated memory is still 203.4 MB. Free memory was 156.3 MB in the beginning and 133.2 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3191.85 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 133.2 MB in the beginning and 198.7 MB in the end (delta: -65.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.8s, 79 ProgramPointsBefore, 28 ProgramPointsAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 12 VarBasedMoverChecksNegative, 2 SemBasedMoverChecksPositive, 14 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 723 CheckedPairsTotal, 56 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. Result: SAFE, OverallTime: 3.0s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 80 SDtfs, 58 SDslu, 41 SDs, 0 SdLazy, 23 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=110occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 2352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 proved your program to be correct! Received shutdown request...