/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.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 00:59:45,778 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 00:59:45,781 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 00:59:45,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 00:59:45,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 00:59:45,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 00:59:45,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 00:59:45,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 00:59:45,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 00:59:45,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 00:59:45,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 00:59:45,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 00:59:45,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 00:59:45,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 00:59:45,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 00:59:45,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 00:59:45,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 00:59:45,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 00:59:45,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 00:59:45,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 00:59:45,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 00:59:45,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 00:59:45,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 00:59:45,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 00:59:45,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 00:59:45,846 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 00:59:45,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 00:59:45,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 00:59:45,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 00:59:45,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 00:59:45,849 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 00:59:45,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 00:59:45,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 00:59:45,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 00:59:45,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 00:59:45,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 00:59:45,853 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.epf [2019-12-27 00:59:45,866 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 00:59:45,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 00:59:45,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 00:59:45,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 00:59:45,868 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 00:59:45,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 00:59:45,869 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 00:59:45,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 00:59:45,869 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 00:59:45,869 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 00:59:45,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 00:59:45,870 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 00:59:45,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 00:59:45,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 00:59:45,871 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 00:59:45,871 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 00:59:45,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 00:59:45,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 00:59:45,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 00:59:45,872 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 00:59:45,872 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 00:59:45,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 00:59:45,873 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 00:59:45,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 00:59:46,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 00:59:46,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 00:59:46,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 00:59:46,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 00:59:46,203 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 00:59:46,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 00:59:46,276 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d1c196/3f800c959da542edab67b6a576e3bb0f/FLAGcae0594c7 [2019-12-27 00:59:46,808 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 00:59:46,810 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 00:59:46,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d1c196/3f800c959da542edab67b6a576e3bb0f/FLAGcae0594c7 [2019-12-27 00:59:47,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802d1c196/3f800c959da542edab67b6a576e3bb0f [2019-12-27 00:59:47,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 00:59:47,129 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 00:59:47,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 00:59:47,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 00:59:47,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 00:59:47,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd8cdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47, skipping insertion in model container [2019-12-27 00:59:47,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,146 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 00:59:47,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 00:59:47,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:59:47,700 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 00:59:47,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 00:59:47,843 INFO L208 MainTranslator]: Completed translation [2019-12-27 00:59:47,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47 WrapperNode [2019-12-27 00:59:47,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 00:59:47,845 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 00:59:47,845 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 00:59:47,845 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 00:59:47,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 00:59:47,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 00:59:47,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 00:59:47,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 00:59:47,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (1/1) ... [2019-12-27 00:59:47,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 00:59:47,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 00:59:47,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 00:59:47,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 00:59:47,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (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 00:59:48,033 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 00:59:48,033 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 00:59:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 00:59:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 00:59:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 00:59:48,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 00:59:48,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 00:59:48,036 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 00:59:48,326 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 00:59:48,326 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 00:59:48,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:59:48 BoogieIcfgContainer [2019-12-27 00:59:48,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 00:59:48,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 00:59:48,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 00:59:48,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 00:59:48,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 12:59:47" (1/3) ... [2019-12-27 00:59:48,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8fe8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:59:48, skipping insertion in model container [2019-12-27 00:59:48,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 12:59:47" (2/3) ... [2019-12-27 00:59:48,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64e8fe8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 12:59:48, skipping insertion in model container [2019-12-27 00:59:48,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 12:59:48" (3/3) ... [2019-12-27 00:59:48,336 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2019-12-27 00:59:48,347 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 00:59:48,347 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 00:59:48,353 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 00:59:48,354 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 00:59:48,375 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,376 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,376 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,377 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,377 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,377 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,381 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,381 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,382 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,382 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:48,398 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 00:59:48,415 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:59:48,415 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:59:48,416 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:59:48,416 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:59:48,416 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:59:48,416 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:59:48,416 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:59:48,416 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:59:48,426 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 28 transitions [2019-12-27 00:59:48,428 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions [2019-12-27 00:59:48,461 INFO L132 PetriNetUnfolder]: 3/36 cut-off events. [2019-12-27 00:59:48,461 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 00:59:48,466 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 36 events. 3/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs. 0/30 useless extension candidates. Maximal degree in co-relation 18. Up to 4 conditions per place. [2019-12-27 00:59:48,468 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions [2019-12-27 00:59:48,481 INFO L132 PetriNetUnfolder]: 3/36 cut-off events. [2019-12-27 00:59:48,482 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 00:59:48,483 INFO L76 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 36 events. 3/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 59 event pairs. 0/30 useless extension candidates. Maximal degree in co-relation 18. Up to 4 conditions per place. [2019-12-27 00:59:48,484 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 180 [2019-12-27 00:59:48,485 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:59:49,191 INFO L206 etLargeBlockEncoding]: Checked pairs total: 114 [2019-12-27 00:59:49,193 INFO L214 etLargeBlockEncoding]: Total number of compositions: 22 [2019-12-27 00:59:49,197 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 8 transitions [2019-12-27 00:59:49,209 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-27 00:59:49,211 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-27 00:59:49,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 00:59:49,218 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:49,219 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 00:59:49,220 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 00:59:49,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:49,226 INFO L82 PathProgramCache]: Analyzing trace with hash 4107967, now seen corresponding path program 1 times [2019-12-27 00:59:49,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:49,239 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942161952] [2019-12-27 00:59:49,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:49,439 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 00:59:49,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942161952] [2019-12-27 00:59:49,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:49,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 00:59:49,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556219092] [2019-12-27 00:59:49,447 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:49,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:49,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:49,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:49,466 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-27 00:59:49,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:49,487 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-27 00:59:49,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:49,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 00:59:49,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:49,500 INFO L225 Difference]: With dead ends: 11 [2019-12-27 00:59:49,500 INFO L226 Difference]: Without dead ends: 11 [2019-12-27 00:59:49,502 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 00:59:49,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-27 00:59:49,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-27 00:59:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-27 00:59:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-27 00:59:49,539 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-27 00:59:49,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:49,540 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-27 00:59:49,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:49,540 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-27 00:59:49,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 00:59:49,541 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:49,541 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 00:59:49,541 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 00:59:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:49,542 INFO L82 PathProgramCache]: Analyzing trace with hash -347254361, now seen corresponding path program 1 times [2019-12-27 00:59:49,542 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:49,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253100177] [2019-12-27 00:59:49,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:49,610 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:59:49,610 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:59:49,612 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:59:49,612 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 00:59:49,624 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,625 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,625 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,626 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,627 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,627 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,628 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,629 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,629 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,629 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,629 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,630 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,630 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,630 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,631 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,631 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,636 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,636 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:49,638 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 00:59:49,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:59:49,639 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:59:49,639 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:59:49,639 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:59:49,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:59:49,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:59:49,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:59:49,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:59:49,643 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions [2019-12-27 00:59:49,643 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 38 transitions [2019-12-27 00:59:49,671 INFO L132 PetriNetUnfolder]: 5/55 cut-off events. [2019-12-27 00:59:49,674 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 00:59:49,678 INFO L76 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 55 events. 5/55 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs. 0/45 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2019-12-27 00:59:49,681 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 38 transitions [2019-12-27 00:59:49,704 INFO L132 PetriNetUnfolder]: 5/55 cut-off events. [2019-12-27 00:59:49,704 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 00:59:49,706 INFO L76 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 55 events. 5/55 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs. 0/45 useless extension candidates. Maximal degree in co-relation 37. Up to 6 conditions per place. [2019-12-27 00:59:49,709 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 540 [2019-12-27 00:59:49,709 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:59:50,285 INFO L206 etLargeBlockEncoding]: Checked pairs total: 736 [2019-12-27 00:59:50,285 INFO L214 etLargeBlockEncoding]: Total number of compositions: 28 [2019-12-27 00:59:50,286 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-27 00:59:50,304 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 149 states. [2019-12-27 00:59:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-12-27 00:59:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 00:59:50,306 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:50,306 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 00:59:50,307 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:50,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:50,308 INFO L82 PathProgramCache]: Analyzing trace with hash 6502175, now seen corresponding path program 1 times [2019-12-27 00:59:50,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:50,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097856445] [2019-12-27 00:59:50,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:50,442 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 00:59:50,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097856445] [2019-12-27 00:59:50,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:50,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 00:59:50,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911534058] [2019-12-27 00:59:50,445 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:50,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:50,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:50,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:50,446 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2019-12-27 00:59:50,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:50,481 INFO L93 Difference]: Finished difference Result 87 states and 182 transitions. [2019-12-27 00:59:50,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:50,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 00:59:50,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:50,486 INFO L225 Difference]: With dead ends: 87 [2019-12-27 00:59:50,488 INFO L226 Difference]: Without dead ends: 87 [2019-12-27 00:59:50,488 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 00:59:50,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-27 00:59:50,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-12-27 00:59:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-27 00:59:50,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 182 transitions. [2019-12-27 00:59:50,521 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 182 transitions. Word has length 4 [2019-12-27 00:59:50,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:50,521 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 182 transitions. [2019-12-27 00:59:50,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 182 transitions. [2019-12-27 00:59:50,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 00:59:50,523 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:50,523 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 00:59:50,524 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:50,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:50,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1890616172, now seen corresponding path program 1 times [2019-12-27 00:59:50,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:50,525 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823902852] [2019-12-27 00:59:50,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:50,572 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:59:50,572 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:59:50,572 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:59:50,573 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 00:59:50,581 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,582 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,582 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,582 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,583 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,586 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,586 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,586 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,586 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,587 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,587 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,587 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,588 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,588 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,588 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,588 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,594 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,595 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,595 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,595 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,598 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,598 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,599 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,599 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,601 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,601 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,602 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,602 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:50,603 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 00:59:50,604 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:59:50,604 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:59:50,604 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:59:50,604 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:59:50,605 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:59:50,605 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:59:50,605 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:59:50,605 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:59:50,607 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 48 transitions [2019-12-27 00:59:50,607 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 48 transitions [2019-12-27 00:59:50,639 INFO L132 PetriNetUnfolder]: 7/74 cut-off events. [2019-12-27 00:59:50,639 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 00:59:50,642 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 74 events. 7/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 170 event pairs. 0/60 useless extension candidates. Maximal degree in co-relation 59. Up to 8 conditions per place. [2019-12-27 00:59:50,649 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 48 transitions [2019-12-27 00:59:50,669 INFO L132 PetriNetUnfolder]: 7/74 cut-off events. [2019-12-27 00:59:50,669 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 00:59:50,670 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 74 events. 7/74 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 170 event pairs. 0/60 useless extension candidates. Maximal degree in co-relation 59. Up to 8 conditions per place. [2019-12-27 00:59:50,673 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1080 [2019-12-27 00:59:50,673 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:59:51,357 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1503 [2019-12-27 00:59:51,358 INFO L214 etLargeBlockEncoding]: Total number of compositions: 36 [2019-12-27 00:59:51,358 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 22 transitions [2019-12-27 00:59:51,419 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 749 states. [2019-12-27 00:59:51,420 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-12-27 00:59:51,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 00:59:51,423 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:51,431 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 00:59:51,431 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:51,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:51,431 INFO L82 PathProgramCache]: Analyzing trace with hash 9425446, now seen corresponding path program 1 times [2019-12-27 00:59:51,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:51,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15485651] [2019-12-27 00:59:51,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:51,513 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 00:59:51,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15485651] [2019-12-27 00:59:51,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:51,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 00:59:51,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24149061] [2019-12-27 00:59:51,515 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:51,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:51,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:51,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:51,516 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 3 states. [2019-12-27 00:59:51,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:51,562 INFO L93 Difference]: Finished difference Result 421 states and 1176 transitions. [2019-12-27 00:59:51,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:51,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 00:59:51,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:51,576 INFO L225 Difference]: With dead ends: 421 [2019-12-27 00:59:51,577 INFO L226 Difference]: Without dead ends: 421 [2019-12-27 00:59:51,577 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 00:59:51,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-12-27 00:59:51,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2019-12-27 00:59:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-12-27 00:59:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1176 transitions. [2019-12-27 00:59:51,648 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1176 transitions. Word has length 4 [2019-12-27 00:59:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:51,649 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 1176 transitions. [2019-12-27 00:59:51,649 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:51,649 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1176 transitions. [2019-12-27 00:59:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:59:51,650 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:51,650 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:59:51,650 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:51,650 INFO L82 PathProgramCache]: Analyzing trace with hash -1692799425, now seen corresponding path program 1 times [2019-12-27 00:59:51,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:51,651 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529003925] [2019-12-27 00:59:51,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:59:51,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529003925] [2019-12-27 00:59:51,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:51,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:59:51,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039186132] [2019-12-27 00:59:51,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:51,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:51,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:51,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:51,684 INFO L87 Difference]: Start difference. First operand 421 states and 1176 transitions. Second operand 3 states. [2019-12-27 00:59:51,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:51,733 INFO L93 Difference]: Finished difference Result 319 states and 912 transitions. [2019-12-27 00:59:51,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:51,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 00:59:51,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:51,741 INFO L225 Difference]: With dead ends: 319 [2019-12-27 00:59:51,742 INFO L226 Difference]: Without dead ends: 319 [2019-12-27 00:59:51,742 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:59:51,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-12-27 00:59:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-12-27 00:59:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-27 00:59:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 912 transitions. [2019-12-27 00:59:51,770 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 912 transitions. Word has length 10 [2019-12-27 00:59:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:51,770 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 912 transitions. [2019-12-27 00:59:51,770 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 912 transitions. [2019-12-27 00:59:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 00:59:51,772 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:51,772 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 00:59:51,772 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:51,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:51,772 INFO L82 PathProgramCache]: Analyzing trace with hash 790757285, now seen corresponding path program 1 times [2019-12-27 00:59:51,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:51,773 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643602734] [2019-12-27 00:59:51,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:51,807 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:59:51,807 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:59:51,811 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:59:51,811 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 00:59:51,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,818 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,818 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,818 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,819 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,819 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,820 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,837 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,839 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,839 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,841 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,841 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,841 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:51,846 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 00:59:51,846 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:59:51,846 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:59:51,846 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:59:51,846 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:59:51,846 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:59:51,846 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:59:51,846 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:59:51,847 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:59:51,848 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions [2019-12-27 00:59:51,848 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions [2019-12-27 00:59:51,861 INFO L132 PetriNetUnfolder]: 9/93 cut-off events. [2019-12-27 00:59:51,861 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 00:59:51,863 INFO L76 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 93 events. 9/93 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 217 event pairs. 0/75 useless extension candidates. Maximal degree in co-relation 83. Up to 10 conditions per place. [2019-12-27 00:59:51,866 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions [2019-12-27 00:59:51,878 INFO L132 PetriNetUnfolder]: 9/93 cut-off events. [2019-12-27 00:59:51,878 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 00:59:51,880 INFO L76 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 93 events. 9/93 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 217 event pairs. 0/75 useless extension candidates. Maximal degree in co-relation 83. Up to 10 conditions per place. [2019-12-27 00:59:51,883 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1800 [2019-12-27 00:59:51,883 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:59:52,756 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2959 [2019-12-27 00:59:52,756 INFO L214 etLargeBlockEncoding]: Total number of compositions: 41 [2019-12-27 00:59:52,757 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 29 transitions [2019-12-27 00:59:53,092 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5364 states. [2019-12-27 00:59:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5364 states. [2019-12-27 00:59:53,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 00:59:53,093 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:53,093 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 00:59:53,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 00:59:53,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:53,094 INFO L82 PathProgramCache]: Analyzing trace with hash 12901861, now seen corresponding path program 1 times [2019-12-27 00:59:53,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:53,094 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142763053] [2019-12-27 00:59:53,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:53,131 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 00:59:53,132 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142763053] [2019-12-27 00:59:53,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:53,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 00:59:53,133 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727877323] [2019-12-27 00:59:53,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:53,133 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:53,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:53,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:53,134 INFO L87 Difference]: Start difference. First operand 5364 states. Second operand 3 states. [2019-12-27 00:59:53,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:53,225 INFO L93 Difference]: Finished difference Result 3413 states and 12761 transitions. [2019-12-27 00:59:53,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:53,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 00:59:53,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:53,262 INFO L225 Difference]: With dead ends: 3413 [2019-12-27 00:59:53,262 INFO L226 Difference]: Without dead ends: 3413 [2019-12-27 00:59:53,262 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 00:59:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3413 states. [2019-12-27 00:59:53,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3413 to 3413. [2019-12-27 00:59:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3413 states. [2019-12-27 00:59:53,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 12761 transitions. [2019-12-27 00:59:53,440 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 12761 transitions. Word has length 4 [2019-12-27 00:59:53,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:53,440 INFO L462 AbstractCegarLoop]: Abstraction has 3413 states and 12761 transitions. [2019-12-27 00:59:53,440 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 12761 transitions. [2019-12-27 00:59:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:59:53,441 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:53,441 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:59:53,442 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 00:59:53,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:53,442 INFO L82 PathProgramCache]: Analyzing trace with hash -932092983, now seen corresponding path program 1 times [2019-12-27 00:59:53,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:53,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501278783] [2019-12-27 00:59:53,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:59:53,472 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501278783] [2019-12-27 00:59:53,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:53,472 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:59:53,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022394812] [2019-12-27 00:59:53,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:53,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:53,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:53,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:53,474 INFO L87 Difference]: Start difference. First operand 3413 states and 12761 transitions. Second operand 3 states. [2019-12-27 00:59:53,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:53,588 INFO L93 Difference]: Finished difference Result 1975 states and 7342 transitions. [2019-12-27 00:59:53,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:53,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 00:59:53,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:53,607 INFO L225 Difference]: With dead ends: 1975 [2019-12-27 00:59:53,607 INFO L226 Difference]: Without dead ends: 1975 [2019-12-27 00:59:53,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 00:59:53,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2019-12-27 00:59:53,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1975. [2019-12-27 00:59:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2019-12-27 00:59:53,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 7342 transitions. [2019-12-27 00:59:53,683 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 7342 transitions. Word has length 10 [2019-12-27 00:59:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:53,684 INFO L462 AbstractCegarLoop]: Abstraction has 1975 states and 7342 transitions. [2019-12-27 00:59:53,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 7342 transitions. [2019-12-27 00:59:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 00:59:53,688 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:53,688 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-27 00:59:53,688 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 00:59:53,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:53,688 INFO L82 PathProgramCache]: Analyzing trace with hash -151307730, now seen corresponding path program 1 times [2019-12-27 00:59:53,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:53,689 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620951334] [2019-12-27 00:59:53,689 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 00:59:53,712 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 00:59:53,712 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 00:59:53,713 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 00:59:53,713 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 00:59:53,721 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,721 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,721 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,721 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,722 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,723 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,723 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,723 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,723 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,723 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,724 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,725 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,725 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,725 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,725 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,725 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,726 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,726 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,726 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,726 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,727 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,727 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,727 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,727 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,729 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,729 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,729 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,730 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,731 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,731 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,731 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,732 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,733 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,733 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,733 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,734 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,736 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,737 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,737 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,737 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 00:59:53,739 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 00:59:53,739 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 00:59:53,740 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 00:59:53,740 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 00:59:53,740 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 00:59:53,740 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 00:59:53,740 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 00:59:53,741 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 00:59:53,741 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 00:59:53,742 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 68 transitions [2019-12-27 00:59:53,742 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions [2019-12-27 00:59:53,759 INFO L132 PetriNetUnfolder]: 11/112 cut-off events. [2019-12-27 00:59:53,759 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 00:59:53,762 INFO L76 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 112 events. 11/112 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 264 event pairs. 0/90 useless extension candidates. Maximal degree in co-relation 109. Up to 12 conditions per place. [2019-12-27 00:59:53,768 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions [2019-12-27 00:59:53,785 INFO L132 PetriNetUnfolder]: 11/112 cut-off events. [2019-12-27 00:59:53,785 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 00:59:53,788 INFO L76 FinitePrefix]: Finished finitePrefix Result has 143 conditions, 112 events. 11/112 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 264 event pairs. 0/90 useless extension candidates. Maximal degree in co-relation 109. Up to 12 conditions per place. [2019-12-27 00:59:53,795 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2700 [2019-12-27 00:59:53,795 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 00:59:54,933 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4542 [2019-12-27 00:59:54,934 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 00:59:54,934 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 35 transitions [2019-12-27 00:59:57,789 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 26848 states. [2019-12-27 00:59:57,790 INFO L276 IsEmpty]: Start isEmpty. Operand 26848 states. [2019-12-27 00:59:57,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 00:59:57,790 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:57,790 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 00:59:57,791 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:57,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:57,791 INFO L82 PathProgramCache]: Analyzing trace with hash 16900623, now seen corresponding path program 1 times [2019-12-27 00:59:57,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:57,792 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152152781] [2019-12-27 00:59:57,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:57,842 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 00:59:57,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152152781] [2019-12-27 00:59:57,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:57,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 00:59:57,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285462017] [2019-12-27 00:59:57,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:57,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:57,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:57,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:57,844 INFO L87 Difference]: Start difference. First operand 26848 states. Second operand 3 states. [2019-12-27 00:59:58,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 00:59:58,082 INFO L93 Difference]: Finished difference Result 17477 states and 78937 transitions. [2019-12-27 00:59:58,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 00:59:58,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 00:59:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 00:59:58,222 INFO L225 Difference]: With dead ends: 17477 [2019-12-27 00:59:58,222 INFO L226 Difference]: Without dead ends: 17477 [2019-12-27 00:59:58,223 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 00:59:59,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17477 states. [2019-12-27 00:59:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17477 to 17477. [2019-12-27 00:59:59,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17477 states. [2019-12-27 00:59:59,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17477 states to 17477 states and 78937 transitions. [2019-12-27 00:59:59,935 INFO L78 Accepts]: Start accepts. Automaton has 17477 states and 78937 transitions. Word has length 4 [2019-12-27 00:59:59,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 00:59:59,935 INFO L462 AbstractCegarLoop]: Abstraction has 17477 states and 78937 transitions. [2019-12-27 00:59:59,935 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 00:59:59,935 INFO L276 IsEmpty]: Start isEmpty. Operand 17477 states and 78937 transitions. [2019-12-27 00:59:59,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 00:59:59,936 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 00:59:59,936 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 00:59:59,936 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 00:59:59,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 00:59:59,936 INFO L82 PathProgramCache]: Analyzing trace with hash 110994816, now seen corresponding path program 1 times [2019-12-27 00:59:59,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 00:59:59,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345548761] [2019-12-27 00:59:59,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 00:59:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 00:59:59,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 00:59:59,969 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345548761] [2019-12-27 00:59:59,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 00:59:59,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 00:59:59,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348710134] [2019-12-27 00:59:59,970 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 00:59:59,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 00:59:59,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 00:59:59,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 00:59:59,970 INFO L87 Difference]: Start difference. First operand 17477 states and 78937 transitions. Second operand 3 states. [2019-12-27 01:00:00,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:00:00,054 INFO L93 Difference]: Finished difference Result 7918 states and 35335 transitions. [2019-12-27 01:00:00,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 01:00:00,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 01:00:00,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:00:00,093 INFO L225 Difference]: With dead ends: 7918 [2019-12-27 01:00:00,093 INFO L226 Difference]: Without dead ends: 7918 [2019-12-27 01:00:00,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 01:00:00,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7918 states. [2019-12-27 01:00:00,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7918 to 7918. [2019-12-27 01:00:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7918 states. [2019-12-27 01:00:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7918 states to 7918 states and 35335 transitions. [2019-12-27 01:00:00,394 INFO L78 Accepts]: Start accepts. Automaton has 7918 states and 35335 transitions. Word has length 10 [2019-12-27 01:00:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:00:00,394 INFO L462 AbstractCegarLoop]: Abstraction has 7918 states and 35335 transitions. [2019-12-27 01:00:00,394 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 01:00:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 7918 states and 35335 transitions. [2019-12-27 01:00:00,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 01:00:00,398 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:00:00,398 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 01:00:00,398 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:00:00,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:00:00,399 INFO L82 PathProgramCache]: Analyzing trace with hash -359798271, now seen corresponding path program 1 times [2019-12-27 01:00:00,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:00:00,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187492296] [2019-12-27 01:00:00,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:00:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:00:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:00:00,444 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 01:00:00,445 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 01:00:00,445 WARN L364 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 01:00:00,445 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2019-12-27 01:00:00,453 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,453 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,453 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,453 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,454 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,455 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,456 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,457 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,457 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,458 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,459 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,459 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,460 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,461 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,461 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,463 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,463 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,463 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,463 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,465 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,465 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,465 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,465 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,467 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,467 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,468 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,469 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,469 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,469 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,469 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:00:00,471 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-27 01:00:00,471 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:00:00,471 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:00:00,471 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:00:00,472 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:00:00,472 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:00:00,472 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:00:00,472 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:00:00,472 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:00:00,473 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 78 transitions [2019-12-27 01:00:00,473 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 78 transitions [2019-12-27 01:00:00,490 INFO L132 PetriNetUnfolder]: 13/131 cut-off events. [2019-12-27 01:00:00,490 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 01:00:00,493 INFO L76 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 131 events. 13/131 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 315 event pairs. 0/105 useless extension candidates. Maximal degree in co-relation 136. Up to 14 conditions per place. [2019-12-27 01:00:00,500 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 78 transitions [2019-12-27 01:00:00,517 INFO L132 PetriNetUnfolder]: 13/131 cut-off events. [2019-12-27 01:00:00,518 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 01:00:00,521 INFO L76 FinitePrefix]: Finished finitePrefix Result has 171 conditions, 131 events. 13/131 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 315 event pairs. 0/105 useless extension candidates. Maximal degree in co-relation 136. Up to 14 conditions per place. [2019-12-27 01:00:00,528 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3780 [2019-12-27 01:00:00,528 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:00:01,084 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-12-27 01:00:02,533 INFO L206 etLargeBlockEncoding]: Checked pairs total: 6986 [2019-12-27 01:00:02,534 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2019-12-27 01:00:02,534 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 46 transitions [2019-12-27 01:02:26,994 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 225504 states. [2019-12-27 01:02:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 225504 states. [2019-12-27 01:02:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 01:02:26,994 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:02:26,995 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 01:02:26,995 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:02:26,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:02:26,996 INFO L82 PathProgramCache]: Analyzing trace with hash 21374692, now seen corresponding path program 1 times [2019-12-27 01:02:26,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:02:26,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807332385] [2019-12-27 01:02:26,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:02:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:02:27,022 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 01:02:27,023 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807332385] [2019-12-27 01:02:27,023 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:02:27,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 01:02:27,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324709227] [2019-12-27 01:02:27,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 01:02:27,024 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:02:27,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 01:02:27,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 01:02:27,024 INFO L87 Difference]: Start difference. First operand 225504 states. Second operand 3 states. [2019-12-27 01:02:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:02:31,982 INFO L93 Difference]: Finished difference Result 162377 states and 896814 transitions. [2019-12-27 01:02:31,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 01:02:31,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 01:02:31,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:02:32,898 INFO L225 Difference]: With dead ends: 162377 [2019-12-27 01:02:32,898 INFO L226 Difference]: Without dead ends: 162377 [2019-12-27 01:02:32,898 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 01:02:37,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162377 states. [2019-12-27 01:02:47,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162377 to 162377. [2019-12-27 01:02:47,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162377 states. [2019-12-27 01:02:48,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162377 states to 162377 states and 896814 transitions. [2019-12-27 01:02:48,446 INFO L78 Accepts]: Start accepts. Automaton has 162377 states and 896814 transitions. Word has length 4 [2019-12-27 01:02:48,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:02:48,446 INFO L462 AbstractCegarLoop]: Abstraction has 162377 states and 896814 transitions. [2019-12-27 01:02:48,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 01:02:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 162377 states and 896814 transitions. [2019-12-27 01:02:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 01:02:48,446 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:02:48,447 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 01:02:48,447 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:02:48,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:02:48,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1279204204, now seen corresponding path program 1 times [2019-12-27 01:02:48,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:02:48,447 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840470801] [2019-12-27 01:02:48,447 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:02:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 01:02:48,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-27 01:02:48,473 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840470801] [2019-12-27 01:02:48,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 01:02:48,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 01:02:48,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175426854] [2019-12-27 01:02:48,474 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 01:02:48,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 01:02:48,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 01:02:48,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 01:02:48,474 INFO L87 Difference]: Start difference. First operand 162377 states and 896814 transitions. Second operand 3 states. [2019-12-27 01:02:48,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 01:02:48,871 INFO L93 Difference]: Finished difference Result 59375 states and 319532 transitions. [2019-12-27 01:02:48,871 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 01:02:48,871 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 01:02:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 01:02:49,109 INFO L225 Difference]: With dead ends: 59375 [2019-12-27 01:02:49,111 INFO L226 Difference]: Without dead ends: 59375 [2019-12-27 01:02:49,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 01:02:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59375 states. [2019-12-27 01:02:58,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59375 to 59375. [2019-12-27 01:02:58,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59375 states. [2019-12-27 01:02:58,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59375 states to 59375 states and 319532 transitions. [2019-12-27 01:02:58,925 INFO L78 Accepts]: Start accepts. Automaton has 59375 states and 319532 transitions. Word has length 10 [2019-12-27 01:02:58,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 01:02:58,926 INFO L462 AbstractCegarLoop]: Abstraction has 59375 states and 319532 transitions. [2019-12-27 01:02:58,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 01:02:58,926 INFO L276 IsEmpty]: Start isEmpty. Operand 59375 states and 319532 transitions. [2019-12-27 01:02:58,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-27 01:02:58,937 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 01:02:58,938 INFO L411 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 01:02:58,938 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 01:02:58,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 01:02:58,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1241855561, now seen corresponding path program 1 times [2019-12-27 01:02:58,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 01:02:58,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467172266] [2019-12-27 01:02:58,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 01:02:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:02:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 01:02:58,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 01:02:58,958 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 01:02:58,958 WARN L364 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 01:02:58,959 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2019-12-27 01:02:58,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,968 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,974 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,975 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,975 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,976 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,976 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,976 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,976 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,977 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,977 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,978 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,978 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,979 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,979 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,980 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,981 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,981 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,982 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,983 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,984 WARN L315 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread7of7ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,984 WARN L315 ript$VariableManager]: TermVariabe thr1Thread7of7ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 01:02:58,985 INFO L249 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2019-12-27 01:02:58,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 01:02:58,985 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 01:02:58,985 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 01:02:58,985 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 01:02:58,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 01:02:58,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 01:02:58,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 01:02:58,986 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 01:02:58,987 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 88 transitions [2019-12-27 01:02:58,987 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 95 places, 88 transitions [2019-12-27 01:02:59,008 INFO L132 PetriNetUnfolder]: 15/150 cut-off events. [2019-12-27 01:02:59,008 INFO L133 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2019-12-27 01:02:59,013 INFO L76 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 150 events. 15/150 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 367 event pairs. 0/120 useless extension candidates. Maximal degree in co-relation 164. Up to 16 conditions per place. [2019-12-27 01:02:59,022 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 95 places, 88 transitions [2019-12-27 01:02:59,043 INFO L132 PetriNetUnfolder]: 15/150 cut-off events. [2019-12-27 01:02:59,043 INFO L133 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2019-12-27 01:02:59,048 INFO L76 FinitePrefix]: Finished finitePrefix Result has 200 conditions, 150 events. 15/150 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 367 event pairs. 0/120 useless extension candidates. Maximal degree in co-relation 164. Up to 16 conditions per place. [2019-12-27 01:02:59,057 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 5040 [2019-12-27 01:02:59,058 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 01:03:00,442 INFO L206 etLargeBlockEncoding]: Checked pairs total: 9552 [2019-12-27 01:03:00,442 INFO L214 etLargeBlockEncoding]: Total number of compositions: 65 [2019-12-27 01:03:00,442 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 52 places, 51 transitions Received shutdown request... [2019-12-27 01:03:55,197 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 01:03:55,200 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 01:03:55,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 01:03:55 BasicIcfg [2019-12-27 01:03:55,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 01:03:55,203 INFO L168 Benchmark]: Toolchain (without parser) took 248073.97 ms. Allocated memory was 137.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 100.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,204 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.08 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 162.7 MB in the end (delta: -62.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 160.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,206 INFO L168 Benchmark]: Boogie Preprocessor took 55.61 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 159.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,207 INFO L168 Benchmark]: RCFGBuilder took 363.26 ms. Allocated memory is still 202.4 MB. Free memory was 159.4 MB in the beginning and 144.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,208 INFO L168 Benchmark]: TraceAbstraction took 246872.13 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 144.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. [2019-12-27 01:03:55,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 137.4 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 714.08 ms. Allocated memory was 137.4 MB in the beginning and 202.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 162.7 MB in the end (delta: -62.5 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 63.69 ms. Allocated memory is still 202.4 MB. Free memory was 162.7 MB in the beginning and 160.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.61 ms. Allocated memory is still 202.4 MB. Free memory was 160.7 MB in the beginning and 159.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 363.26 ms. Allocated memory is still 202.4 MB. Free memory was 159.4 MB in the beginning and 144.0 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 246872.13 ms. Allocated memory was 202.4 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 144.0 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 4.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 29 ProgramPointsBefore, 9 ProgramPointsAfterwards, 28 TransitionsBefore, 8 TransitionsAfterwards, 180 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 11 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 83 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 114 CheckedPairsTotal, 22 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 40 ProgramPointsBefore, 17 ProgramPointsAfterwards, 38 TransitionsBefore, 16 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 295 VarBasedMoverChecksPositive, 21 VarBasedMoverChecksNegative, 8 SemBasedMoverChecksPositive, 15 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 736 CheckedPairsTotal, 28 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 51 ProgramPointsBefore, 23 ProgramPointsAfterwards, 48 TransitionsBefore, 22 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 546 VarBasedMoverChecksPositive, 40 VarBasedMoverChecksNegative, 21 SemBasedMoverChecksPositive, 25 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 0 MoverChecksTotal, 1503 CheckedPairsTotal, 36 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 62 ProgramPointsBefore, 31 ProgramPointsAfterwards, 58 TransitionsBefore, 29 TransitionsAfterwards, 1800 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 28 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 861 VarBasedMoverChecksPositive, 115 VarBasedMoverChecksNegative, 97 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 2959 CheckedPairsTotal, 41 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 73 ProgramPointsBefore, 37 ProgramPointsAfterwards, 68 TransitionsBefore, 35 TransitionsAfterwards, 2700 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 1298 VarBasedMoverChecksPositive, 166 VarBasedMoverChecksNegative, 145 SemBasedMoverChecksPositive, 43 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.4s, 0 MoverChecksTotal, 4542 CheckedPairsTotal, 49 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.0s, 84 ProgramPointsBefore, 46 ProgramPointsAfterwards, 78 TransitionsBefore, 46 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 1 ChoiceCompositions, 1867 VarBasedMoverChecksPositive, 419 VarBasedMoverChecksNegative, 454 SemBasedMoverChecksPositive, 47 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 0 MoverChecksTotal, 6986 CheckedPairsTotal, 57 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.4s, 95 ProgramPointsBefore, 52 ProgramPointsAfterwards, 88 TransitionsBefore, 51 TransitionsAfterwards, 5040 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 45 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 13 ConcurrentYvCompositions, 2 ChoiceCompositions, 2420 VarBasedMoverChecksPositive, 345 VarBasedMoverChecksNegative, 322 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 9552 CheckedPairsTotal, 65 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 677]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 677). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 52 places, 51 transitions. Already constructed 160621 states. Currently 53812 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Result: TIMEOUT, OverallTime: 56.2s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown