/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-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 23:10:22,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 23:10:22,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 23:10:22,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 23:10:22,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 23:10:22,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 23:10:22,675 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 23:10:22,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 23:10:22,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 23:10:22,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 23:10:22,686 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 23:10:22,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 23:10:22,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 23:10:22,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 23:10:22,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 23:10:22,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 23:10:22,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 23:10:22,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 23:10:22,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 23:10:22,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 23:10:22,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 23:10:22,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 23:10:22,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 23:10:22,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 23:10:22,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 23:10:22,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 23:10:22,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 23:10:22,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 23:10:22,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 23:10:22,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 23:10:22,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 23:10:22,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 23:10:22,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 23:10:22,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 23:10:22,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 23:10:22,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 23:10:22,736 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-VariableLbe.epf [2019-12-18 23:10:22,754 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 23:10:22,754 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 23:10:22,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 23:10:22,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 23:10:22,756 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 23:10:22,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 23:10:22,756 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 23:10:22,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 23:10:22,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 23:10:22,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 23:10:22,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 23:10:22,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 23:10:22,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 23:10:22,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 23:10:22,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 23:10:22,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 23:10:22,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 23:10:22,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 23:10:22,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 23:10:22,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 23:10:22,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 23:10:22,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 23:10:22,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 23:10:22,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 23:10:22,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 23:10:22,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 23:10:22,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 23:10:22,761 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-18 23:10:22,761 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 23:10:22,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 23:10:23,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 23:10:23,043 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 23:10:23,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 23:10:23,049 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 23:10:23,049 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 23:10:23,050 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-18 23:10:23,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cda52da/ab74e007a7704f108c042a75ac248047/FLAG0f83881e7 [2019-12-18 23:10:23,626 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 23:10:23,627 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.oepc.i [2019-12-18 23:10:23,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cda52da/ab74e007a7704f108c042a75ac248047/FLAG0f83881e7 [2019-12-18 23:10:23,976 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5cda52da/ab74e007a7704f108c042a75ac248047 [2019-12-18 23:10:23,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 23:10:23,986 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 23:10:23,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 23:10:23,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 23:10:23,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 23:10:23,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:10:23" (1/1) ... [2019-12-18 23:10:23,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f322d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:23, skipping insertion in model container [2019-12-18 23:10:23,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:10:23" (1/1) ... [2019-12-18 23:10:24,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 23:10:24,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 23:10:24,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:10:24,565 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 23:10:24,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 23:10:24,695 INFO L208 MainTranslator]: Completed translation [2019-12-18 23:10:24,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24 WrapperNode [2019-12-18 23:10:24,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 23:10:24,696 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 23:10:24,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 23:10:24,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 23:10:24,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 23:10:24,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 23:10:24,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 23:10:24,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 23:10:24,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,775 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (1/1) ... [2019-12-18 23:10:24,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 23:10:24,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 23:10:24,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 23:10:24,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 23:10:24,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (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 [2019-12-18 23:10:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 23:10:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 23:10:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 23:10:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 23:10:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 23:10:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 23:10:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 23:10:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 23:10:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-18 23:10:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-18 23:10:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-18 23:10:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-18 23:10:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 23:10:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 23:10:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 23:10:24,873 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 23:10:25,270 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 23:10:25,271 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-18 23:10:25,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:10:25 BoogieIcfgContainer [2019-12-18 23:10:25,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 23:10:25,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 23:10:25,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 23:10:25,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 23:10:25,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:10:23" (1/3) ... [2019-12-18 23:10:25,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d46df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:10:25, skipping insertion in model container [2019-12-18 23:10:25,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:10:24" (2/3) ... [2019-12-18 23:10:25,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b9d46df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:10:25, skipping insertion in model container [2019-12-18 23:10:25,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:10:25" (3/3) ... [2019-12-18 23:10:25,281 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.oepc.i [2019-12-18 23:10:25,291 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 23:10:25,291 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 23:10:25,299 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-18 23:10:25,300 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 23:10:25,330 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,331 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,331 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,331 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,332 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,332 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,332 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,333 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,333 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,333 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,333 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,334 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,334 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,335 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,335 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,335 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,336 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,336 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,337 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,337 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,337 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,338 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,342 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,342 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,343 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,348 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,348 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,349 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,349 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,351 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,352 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,352 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,352 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,355 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,355 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,355 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,356 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 23:10:25,371 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 23:10:25,393 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 23:10:25,393 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 23:10:25,394 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 23:10:25,394 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 23:10:25,394 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 23:10:25,394 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 23:10:25,394 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 23:10:25,395 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 23:10:25,407 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 67 transitions [2019-12-18 23:10:25,410 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 23:10:25,455 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 23:10:25,455 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:10:25,463 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. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 23:10:25,466 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 79 places, 67 transitions [2019-12-18 23:10:25,486 INFO L126 PetriNetUnfolder]: 1/63 cut-off events. [2019-12-18 23:10:25,487 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 23:10:25,488 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. 12/73 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-18 23:10:25,490 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-18 23:10:25,492 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-18 23:10:26,940 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-18 23:10:27,007 INFO L206 etLargeBlockEncoding]: Checked pairs total: 723 [2019-12-18 23:10:27,007 INFO L214 etLargeBlockEncoding]: Total number of compositions: 56 [2019-12-18 23:10:27,013 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions [2019-12-18 23:10:27,034 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 110 states. [2019-12-18 23:10:27,036 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states. [2019-12-18 23:10:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-18 23:10:27,045 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,046 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,047 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1014881653, now seen corresponding path program 1 times [2019-12-18 23:10:27,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883508718] [2019-12-18 23:10:27,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,325 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883508718] [2019-12-18 23:10:27,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:10:27,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893660337] [2019-12-18 23:10:27,335 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:10:27,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:10:27,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:10:27,356 INFO L87 Difference]: Start difference. First operand 110 states. Second operand 3 states. [2019-12-18 23:10:27,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,399 INFO L93 Difference]: Finished difference Result 102 states and 260 transitions. [2019-12-18 23:10:27,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:10:27,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-18 23:10:27,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,436 INFO L225 Difference]: With dead ends: 102 [2019-12-18 23:10:27,436 INFO L226 Difference]: Without dead ends: 70 [2019-12-18 23:10:27,441 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 [2019-12-18 23:10:27,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-18 23:10:27,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-18 23:10:27,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-18 23:10:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-18 23:10:27,507 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-18 23:10:27,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:27,509 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-18 23:10:27,509 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:10:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-18 23:10:27,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 23:10:27,511 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,511 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1396559818, now seen corresponding path program 1 times [2019-12-18 23:10:27,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,512 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225383950] [2019-12-18 23:10:27,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,594 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225383950] [2019-12-18 23:10:27,594 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:10:27,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442942962] [2019-12-18 23:10:27,596 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:10:27,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:10:27,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:10:27,597 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 3 states. [2019-12-18 23:10:27,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,606 INFO L93 Difference]: Finished difference Result 66 states and 152 transitions. [2019-12-18 23:10:27,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:10:27,607 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 23:10:27,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,608 INFO L225 Difference]: With dead ends: 66 [2019-12-18 23:10:27,608 INFO L226 Difference]: Without dead ends: 66 [2019-12-18 23:10:27,611 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 [2019-12-18 23:10:27,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2019-12-18 23:10:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2019-12-18 23:10:27,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2019-12-18 23:10:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 152 transitions. [2019-12-18 23:10:27,624 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 152 transitions. Word has length 11 [2019-12-18 23:10:27,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:27,625 INFO L462 AbstractCegarLoop]: Abstraction has 66 states and 152 transitions. [2019-12-18 23:10:27,626 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:10:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 152 transitions. [2019-12-18 23:10:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-18 23:10:27,627 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,627 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,627 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,628 INFO L82 PathProgramCache]: Analyzing trace with hash 37410345, now seen corresponding path program 1 times [2019-12-18 23:10:27,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132777058] [2019-12-18 23:10:27,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132777058] [2019-12-18 23:10:27,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 23:10:27,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201419058] [2019-12-18 23:10:27,708 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 23:10:27,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 23:10:27,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 23:10:27,710 INFO L87 Difference]: Start difference. First operand 66 states and 152 transitions. Second operand 3 states. [2019-12-18 23:10:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,720 INFO L93 Difference]: Finished difference Result 64 states and 147 transitions. [2019-12-18 23:10:27,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 23:10:27,721 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-18 23:10:27,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,725 INFO L225 Difference]: With dead ends: 64 [2019-12-18 23:10:27,725 INFO L226 Difference]: Without dead ends: 64 [2019-12-18 23:10:27,725 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 [2019-12-18 23:10:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2019-12-18 23:10:27,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2019-12-18 23:10:27,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2019-12-18 23:10:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 147 transitions. [2019-12-18 23:10:27,738 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 147 transitions. Word has length 12 [2019-12-18 23:10:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:27,738 INFO L462 AbstractCegarLoop]: Abstraction has 64 states and 147 transitions. [2019-12-18 23:10:27,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 23:10:27,739 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 147 transitions. [2019-12-18 23:10:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-18 23:10:27,741 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,741 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,741 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1159720435, now seen corresponding path program 1 times [2019-12-18 23:10:27,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,743 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159004816] [2019-12-18 23:10:27,743 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,823 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159004816] [2019-12-18 23:10:27,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:10:27,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078250566] [2019-12-18 23:10:27,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:10:27,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:10:27,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:10:27,825 INFO L87 Difference]: Start difference. First operand 64 states and 147 transitions. Second operand 4 states. [2019-12-18 23:10:27,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,848 INFO L93 Difference]: Finished difference Result 75 states and 163 transitions. [2019-12-18 23:10:27,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:10:27,848 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-18 23:10:27,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,849 INFO L225 Difference]: With dead ends: 75 [2019-12-18 23:10:27,850 INFO L226 Difference]: Without dead ends: 51 [2019-12-18 23:10:27,850 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 [2019-12-18 23:10:27,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2019-12-18 23:10:27,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2019-12-18 23:10:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2019-12-18 23:10:27,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 103 transitions. [2019-12-18 23:10:27,855 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 103 transitions. Word has length 13 [2019-12-18 23:10:27,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:27,856 INFO L462 AbstractCegarLoop]: Abstraction has 51 states and 103 transitions. [2019-12-18 23:10:27,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:10:27,856 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2019-12-18 23:10:27,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:10:27,857 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,857 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,857 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,858 INFO L82 PathProgramCache]: Analyzing trace with hash -434915936, now seen corresponding path program 1 times [2019-12-18 23:10:27,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,858 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910178764] [2019-12-18 23:10:27,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910178764] [2019-12-18 23:10:27,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:10:27,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245837504] [2019-12-18 23:10:27,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:10:27,900 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:10:27,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:10:27,901 INFO L87 Difference]: Start difference. First operand 51 states and 103 transitions. Second operand 4 states. [2019-12-18 23:10:27,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,921 INFO L93 Difference]: Finished difference Result 55 states and 107 transitions. [2019-12-18 23:10:27,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:10:27,922 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 23:10:27,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,922 INFO L225 Difference]: With dead ends: 55 [2019-12-18 23:10:27,923 INFO L226 Difference]: Without dead ends: 43 [2019-12-18 23:10:27,923 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 [2019-12-18 23:10:27,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-18 23:10:27,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-18 23:10:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-18 23:10:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 79 transitions. [2019-12-18 23:10:27,927 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 79 transitions. Word has length 14 [2019-12-18 23:10:27,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:27,928 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 79 transitions. [2019-12-18 23:10:27,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:10:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 79 transitions. [2019-12-18 23:10:27,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:10:27,929 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:27,929 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:27,929 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:27,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:27,929 INFO L82 PathProgramCache]: Analyzing trace with hash -432128726, now seen corresponding path program 2 times [2019-12-18 23:10:27,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:27,930 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49111736] [2019-12-18 23:10:27,930 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:27,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:27,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49111736] [2019-12-18 23:10:27,977 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:27,977 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:10:27,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636128913] [2019-12-18 23:10:27,978 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:10:27,978 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:27,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:10:27,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:10:27,979 INFO L87 Difference]: Start difference. First operand 43 states and 79 transitions. Second operand 4 states. [2019-12-18 23:10:27,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:27,998 INFO L93 Difference]: Finished difference Result 45 states and 80 transitions. [2019-12-18 23:10:27,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:10:27,999 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 23:10:27,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:27,999 INFO L225 Difference]: With dead ends: 45 [2019-12-18 23:10:27,999 INFO L226 Difference]: Without dead ends: 25 [2019-12-18 23:10:27,999 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 [2019-12-18 23:10:28,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2019-12-18 23:10:28,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2019-12-18 23:10:28,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-18 23:10:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 34 transitions. [2019-12-18 23:10:28,003 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 34 transitions. Word has length 14 [2019-12-18 23:10:28,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:28,003 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 34 transitions. [2019-12-18 23:10:28,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:10:28,003 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2019-12-18 23:10:28,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 23:10:28,004 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 23:10:28,004 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 23:10:28,004 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 23:10:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 23:10:28,004 INFO L82 PathProgramCache]: Analyzing trace with hash -431612576, now seen corresponding path program 3 times [2019-12-18 23:10:28,005 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 23:10:28,005 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194836013] [2019-12-18 23:10:28,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 23:10:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 23:10:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 23:10:28,068 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194836013] [2019-12-18 23:10:28,068 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 23:10:28,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 23:10:28,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507331843] [2019-12-18 23:10:28,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 23:10:28,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 23:10:28,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 23:10:28,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 23:10:28,070 INFO L87 Difference]: Start difference. First operand 25 states and 34 transitions. Second operand 4 states. [2019-12-18 23:10:28,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 23:10:28,084 INFO L93 Difference]: Finished difference Result 24 states and 33 transitions. [2019-12-18 23:10:28,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 23:10:28,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 23:10:28,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 23:10:28,086 INFO L225 Difference]: With dead ends: 24 [2019-12-18 23:10:28,086 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 23:10:28,086 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 [2019-12-18 23:10:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 23:10:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 23:10:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 23:10:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 23:10:28,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-18 23:10:28,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 23:10:28,088 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 23:10:28,088 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 23:10:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 23:10:28,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 23:10:28,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 11:10:28 BasicIcfg [2019-12-18 23:10:28,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 23:10:28,098 INFO L168 Benchmark]: Toolchain (without parser) took 4111.29 ms. Allocated memory was 145.2 MB in the beginning and 246.9 MB in the end (delta: 101.7 MB). Free memory was 99.8 MB in the beginning and 105.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 96.5 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,101 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.77 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 160.1 MB in the end (delta: -60.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,104 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,105 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,106 INFO L168 Benchmark]: RCFGBuilder took 466.07 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 133.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,110 INFO L168 Benchmark]: TraceAbstraction took 2821.99 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 133.7 MB in the beginning and 105.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. [2019-12-18 23:10:28,117 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 145.2 MB. Free memory was 120.4 MB in the beginning and 120.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.77 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.4 MB in the beginning and 160.1 MB in the end (delta: -60.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.54 ms. Allocated memory is still 203.9 MB. Free memory was 160.1 MB in the beginning and 158.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.59 ms. Allocated memory is still 203.9 MB. Free memory was 158.1 MB in the beginning and 156.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 466.07 ms. Allocated memory is still 203.9 MB. Free memory was 156.8 MB in the beginning and 133.7 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2821.99 ms. Allocated memory was 203.9 MB in the beginning and 246.9 MB in the end (delta: 43.0 MB). Free memory was 133.7 MB in the beginning and 105.1 MB in the end (delta: 28.6 MB). Peak memory consumption was 71.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 79 ProgramPointsBefore, 28 ProgramPointsAfterwards, 67 TransitionsBefore, 21 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 358 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 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: 2.6s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 94 SDtfs, 56 SDslu, 45 SDs, 0 SdLazy, 25 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 81 ConstructedInterpolants, 0 QuantifiedInterpolants, 2859 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...