/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:56:23,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:56:23,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:56:23,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:56:23,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:56:23,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:56:23,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:56:23,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:56:23,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:56:23,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:56:23,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:56:23,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:56:23,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:56:23,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:56:23,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:56:23,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:56:23,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:56:23,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:56:23,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:56:23,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:56:23,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:56:23,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:56:23,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:56:23,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:56:23,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 04:56:23,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:56:23,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:56:23,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:56:23,928 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:56:23,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:56:23,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:56:23,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:56:23,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:56:23,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:56:23,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:56:23,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:56:23,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 04:56:23,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:56:23,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:56:23,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:56:23,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:56:23,962 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:56:23,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:56:23,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:56:23,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:56:23,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:56:23,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:56:23,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:56:23,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:56:23,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:56:23,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:56:23,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:56:23,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:56:23,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:56:23,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:56:23,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:56:23,966 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:56:23,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:56:23,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:56:23,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:56:23,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:56:23,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:56:23,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:56:23,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:56:23,967 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 04:56:23,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:56:23,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:56:24,264 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:56:24,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:56:24,283 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:56:24,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:56:24,284 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:56:24,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 04:56:24,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4974b985/92c6a2b78191470f92c03109268c1895/FLAG54527ae6c [2019-12-27 04:56:24,887 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:56:24,887 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 04:56:24,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4974b985/92c6a2b78191470f92c03109268c1895/FLAG54527ae6c [2019-12-27 04:56:25,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4974b985/92c6a2b78191470f92c03109268c1895 [2019-12-27 04:56:25,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:56:25,187 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:56:25,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:56:25,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:56:25,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:56:25,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153608c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25, skipping insertion in model container [2019-12-27 04:56:25,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:56:25,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:56:25,685 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:56:25,696 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:56:25,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:56:25,807 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:56:25,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25 WrapperNode [2019-12-27 04:56:25,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:56:25,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:56:25,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:56:25,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:56:25,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,833 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:56:25,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:56:25,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:56:25,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:56:25,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (1/1) ... [2019-12-27 04:56:25,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:56:25,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:56:25,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:56:25,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:56:25,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (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 04:56:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 04:56:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 04:56:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:56:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:56:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:56:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:56:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:56:25,949 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 04:56:26,204 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:56:26,205 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 04:56:26,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:56:26 BoogieIcfgContainer [2019-12-27 04:56:26,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:56:26,211 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:56:26,211 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:56:26,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:56:26,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:56:25" (1/3) ... [2019-12-27 04:56:26,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6141c8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:56:26, skipping insertion in model container [2019-12-27 04:56:26,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:56:25" (2/3) ... [2019-12-27 04:56:26,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6141c8d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:56:26, skipping insertion in model container [2019-12-27 04:56:26,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:56:26" (3/3) ... [2019-12-27 04:56:26,221 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2019-12-27 04:56:26,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:56:26,248 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:56:26,257 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 04:56:26,258 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:56:26,287 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,288 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,289 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,289 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,294 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,295 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,295 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,295 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:26,324 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 04:56:26,342 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:26,342 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:26,342 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:26,342 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:26,342 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:26,342 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:26,343 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:26,343 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:26,354 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 29 places, 28 transitions [2019-12-27 04:56:26,356 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions [2019-12-27 04:56:26,389 INFO L132 PetriNetUnfolder]: 3/36 cut-off events. [2019-12-27 04:56:26,390 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:56:26,395 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 04:56:26,397 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 29 places, 28 transitions [2019-12-27 04:56:26,410 INFO L132 PetriNetUnfolder]: 3/36 cut-off events. [2019-12-27 04:56:26,410 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 04:56:26,411 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 04:56:26,412 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 180 [2019-12-27 04:56:26,413 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:27,021 INFO L206 etLargeBlockEncoding]: Checked pairs total: 114 [2019-12-27 04:56:27,022 INFO L214 etLargeBlockEncoding]: Total number of compositions: 22 [2019-12-27 04:56:27,027 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 8 transitions [2019-12-27 04:56:27,038 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-27 04:56:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-27 04:56:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 04:56:27,048 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:27,049 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 04:56:27,049 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:56:27,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:27,056 INFO L82 PathProgramCache]: Analyzing trace with hash 4107967, now seen corresponding path program 1 times [2019-12-27 04:56:27,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:27,064 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807114192] [2019-12-27 04:56:27,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:27,242 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 04:56:27,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807114192] [2019-12-27 04:56:27,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:27,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:56:27,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15619954] [2019-12-27 04:56:27,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:27,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:27,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:27,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:27,269 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-27 04:56:27,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:27,288 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-27 04:56:27,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:27,290 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 04:56:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:27,300 INFO L225 Difference]: With dead ends: 11 [2019-12-27 04:56:27,300 INFO L226 Difference]: Without dead ends: 11 [2019-12-27 04:56:27,302 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 04:56:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-27 04:56:27,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-27 04:56:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-27 04:56:27,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-27 04:56:27,336 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-27 04:56:27,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:27,337 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-27 04:56:27,337 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-27 04:56:27,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 04:56:27,338 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:27,338 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 04:56:27,338 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 04:56:27,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:27,339 INFO L82 PathProgramCache]: Analyzing trace with hash -347254361, now seen corresponding path program 1 times [2019-12-27 04:56:27,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:27,339 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125952984] [2019-12-27 04:56:27,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:27,405 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:56:27,405 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:56:27,406 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:56:27,406 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 04:56:27,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,412 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,413 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,413 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,414 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,414 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,414 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,415 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,415 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,416 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,416 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,416 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,418 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,419 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,419 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:27,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 04:56:27,421 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:27,422 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:27,422 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:27,422 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:27,422 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:27,422 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:27,422 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:27,423 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:27,424 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 38 transitions [2019-12-27 04:56:27,425 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 38 transitions [2019-12-27 04:56:27,439 INFO L132 PetriNetUnfolder]: 5/55 cut-off events. [2019-12-27 04:56:27,439 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:56:27,442 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 04:56:27,444 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 40 places, 38 transitions [2019-12-27 04:56:27,457 INFO L132 PetriNetUnfolder]: 5/55 cut-off events. [2019-12-27 04:56:27,457 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 04:56:27,458 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 04:56:27,460 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 540 [2019-12-27 04:56:27,461 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:27,925 INFO L206 etLargeBlockEncoding]: Checked pairs total: 736 [2019-12-27 04:56:27,925 INFO L214 etLargeBlockEncoding]: Total number of compositions: 28 [2019-12-27 04:56:27,925 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 16 transitions [2019-12-27 04:56:27,934 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 149 states. [2019-12-27 04:56:27,934 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2019-12-27 04:56:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 04:56:27,935 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:27,935 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 04:56:27,935 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:56:27,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:27,936 INFO L82 PathProgramCache]: Analyzing trace with hash 6502175, now seen corresponding path program 1 times [2019-12-27 04:56:27,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:27,936 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036185668] [2019-12-27 04:56:27,936 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:27,983 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 04:56:27,983 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036185668] [2019-12-27 04:56:27,983 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:27,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:56:27,984 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25950607] [2019-12-27 04:56:27,984 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:27,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:27,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:27,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:27,985 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 3 states. [2019-12-27 04:56:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:28,011 INFO L93 Difference]: Finished difference Result 87 states and 182 transitions. [2019-12-27 04:56:28,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:28,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 04:56:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:28,014 INFO L225 Difference]: With dead ends: 87 [2019-12-27 04:56:28,015 INFO L226 Difference]: Without dead ends: 87 [2019-12-27 04:56:28,015 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 04:56:28,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2019-12-27 04:56:28,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2019-12-27 04:56:28,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2019-12-27 04:56:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 182 transitions. [2019-12-27 04:56:28,029 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 182 transitions. Word has length 4 [2019-12-27 04:56:28,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:28,029 INFO L462 AbstractCegarLoop]: Abstraction has 87 states and 182 transitions. [2019-12-27 04:56:28,029 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:28,029 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 182 transitions. [2019-12-27 04:56:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 04:56:28,030 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:28,030 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 04:56:28,031 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:56:28,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:28,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1890616172, now seen corresponding path program 1 times [2019-12-27 04:56:28,031 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:28,032 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386100501] [2019-12-27 04:56:28,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:28,064 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:56:28,064 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:56:28,065 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:56:28,065 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 04:56:28,071 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,071 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,072 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,072 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,072 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,073 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,073 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,073 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,073 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,074 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,074 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,074 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,075 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,075 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,075 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,075 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,076 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,076 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,077 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,077 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,077 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,080 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,080 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,081 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,081 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,083 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,083 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,083 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:28,085 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 04:56:28,085 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:28,085 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:28,085 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:28,086 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:28,086 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:28,086 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:28,086 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:28,086 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:28,088 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 48 transitions [2019-12-27 04:56:28,089 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 48 transitions [2019-12-27 04:56:28,106 INFO L132 PetriNetUnfolder]: 7/74 cut-off events. [2019-12-27 04:56:28,107 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:56:28,109 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 04:56:28,112 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 51 places, 48 transitions [2019-12-27 04:56:28,128 INFO L132 PetriNetUnfolder]: 7/74 cut-off events. [2019-12-27 04:56:28,128 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 04:56:28,130 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 04:56:28,133 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1080 [2019-12-27 04:56:28,134 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:28,731 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1503 [2019-12-27 04:56:28,731 INFO L214 etLargeBlockEncoding]: Total number of compositions: 36 [2019-12-27 04:56:28,731 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 22 transitions [2019-12-27 04:56:28,767 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 749 states. [2019-12-27 04:56:28,768 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states. [2019-12-27 04:56:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 04:56:28,768 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:28,768 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 04:56:28,769 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:56:28,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:28,769 INFO L82 PathProgramCache]: Analyzing trace with hash 9425446, now seen corresponding path program 1 times [2019-12-27 04:56:28,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:28,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748145204] [2019-12-27 04:56:28,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:28,810 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 04:56:28,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748145204] [2019-12-27 04:56:28,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:28,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:56:28,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963768369] [2019-12-27 04:56:28,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:28,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:28,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:28,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:28,813 INFO L87 Difference]: Start difference. First operand 749 states. Second operand 3 states. [2019-12-27 04:56:28,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:28,870 INFO L93 Difference]: Finished difference Result 421 states and 1176 transitions. [2019-12-27 04:56:28,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:28,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 04:56:28,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:28,887 INFO L225 Difference]: With dead ends: 421 [2019-12-27 04:56:28,889 INFO L226 Difference]: Without dead ends: 421 [2019-12-27 04:56:28,890 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 04:56:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-12-27 04:56:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2019-12-27 04:56:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-12-27 04:56:28,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 1176 transitions. [2019-12-27 04:56:28,960 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 1176 transitions. Word has length 4 [2019-12-27 04:56:28,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:28,960 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 1176 transitions. [2019-12-27 04:56:28,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:28,960 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1176 transitions. [2019-12-27 04:56:28,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:56:28,961 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:28,961 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:56:28,962 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:56:28,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:28,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1692799425, now seen corresponding path program 1 times [2019-12-27 04:56:28,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:28,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038162869] [2019-12-27 04:56:28,963 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:29,001 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 04:56:29,001 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038162869] [2019-12-27 04:56:29,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:29,002 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:56:29,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340941870] [2019-12-27 04:56:29,002 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:29,003 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:29,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:29,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:29,003 INFO L87 Difference]: Start difference. First operand 421 states and 1176 transitions. Second operand 3 states. [2019-12-27 04:56:29,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:29,026 INFO L93 Difference]: Finished difference Result 319 states and 912 transitions. [2019-12-27 04:56:29,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:29,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 04:56:29,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:29,031 INFO L225 Difference]: With dead ends: 319 [2019-12-27 04:56:29,031 INFO L226 Difference]: Without dead ends: 319 [2019-12-27 04:56:29,032 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 04:56:29,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-12-27 04:56:29,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-12-27 04:56:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-12-27 04:56:29,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 912 transitions. [2019-12-27 04:56:29,050 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 912 transitions. Word has length 10 [2019-12-27 04:56:29,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:29,050 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 912 transitions. [2019-12-27 04:56:29,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:29,050 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 912 transitions. [2019-12-27 04:56:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 04:56:29,052 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:29,052 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 04:56:29,052 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:56:29,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:29,052 INFO L82 PathProgramCache]: Analyzing trace with hash 790757285, now seen corresponding path program 1 times [2019-12-27 04:56:29,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:29,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896691832] [2019-12-27 04:56:29,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:29,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:29,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:56:29,084 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:56:29,084 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:56:29,084 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 04:56:29,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,093 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,093 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,094 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,094 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,095 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,097 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,097 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,097 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,098 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,099 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,099 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,099 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,102 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,102 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,103 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,103 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,103 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,105 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,105 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,105 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,105 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,107 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,107 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,107 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,109 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,109 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:29,111 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 04:56:29,111 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:29,111 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:29,111 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:29,111 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:29,112 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:29,112 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:29,112 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:29,112 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:29,113 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 58 transitions [2019-12-27 04:56:29,113 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions [2019-12-27 04:56:29,128 INFO L132 PetriNetUnfolder]: 9/93 cut-off events. [2019-12-27 04:56:29,128 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 04:56:29,130 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 04:56:29,133 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 62 places, 58 transitions [2019-12-27 04:56:29,147 INFO L132 PetriNetUnfolder]: 9/93 cut-off events. [2019-12-27 04:56:29,148 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 04:56:29,149 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 04:56:29,153 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1800 [2019-12-27 04:56:29,153 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:29,692 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3606 [2019-12-27 04:56:29,692 INFO L214 etLargeBlockEncoding]: Total number of compositions: 37 [2019-12-27 04:56:29,693 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 31 transitions [2019-12-27 04:56:30,169 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 7269 states. [2019-12-27 04:56:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 7269 states. [2019-12-27 04:56:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 04:56:30,170 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:30,170 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 04:56:30,170 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 04:56:30,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:30,171 INFO L82 PathProgramCache]: Analyzing trace with hash 12782696, now seen corresponding path program 1 times [2019-12-27 04:56:30,171 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:30,171 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845627028] [2019-12-27 04:56:30,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:30,242 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 04:56:30,242 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845627028] [2019-12-27 04:56:30,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:30,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:56:30,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150625625] [2019-12-27 04:56:30,244 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:30,244 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:30,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:30,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:30,245 INFO L87 Difference]: Start difference. First operand 7269 states. Second operand 3 states. [2019-12-27 04:56:30,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:30,354 INFO L93 Difference]: Finished difference Result 4227 states and 15765 transitions. [2019-12-27 04:56:30,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:30,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 04:56:30,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:30,394 INFO L225 Difference]: With dead ends: 4227 [2019-12-27 04:56:30,394 INFO L226 Difference]: Without dead ends: 4227 [2019-12-27 04:56:30,395 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 04:56:30,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4227 states. [2019-12-27 04:56:30,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4227 to 4227. [2019-12-27 04:56:30,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4227 states. [2019-12-27 04:56:30,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4227 states to 4227 states and 15765 transitions. [2019-12-27 04:56:30,626 INFO L78 Accepts]: Start accepts. Automaton has 4227 states and 15765 transitions. Word has length 4 [2019-12-27 04:56:30,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:30,627 INFO L462 AbstractCegarLoop]: Abstraction has 4227 states and 15765 transitions. [2019-12-27 04:56:30,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:30,627 INFO L276 IsEmpty]: Start isEmpty. Operand 4227 states and 15765 transitions. [2019-12-27 04:56:30,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:56:30,628 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:30,628 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:56:30,629 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 04:56:30,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:30,629 INFO L82 PathProgramCache]: Analyzing trace with hash 1357463974, now seen corresponding path program 1 times [2019-12-27 04:56:30,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:30,630 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369498050] [2019-12-27 04:56:30,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:30,659 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 04:56:30,660 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369498050] [2019-12-27 04:56:30,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:30,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:56:30,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762325572] [2019-12-27 04:56:30,661 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:30,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:30,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:30,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:30,661 INFO L87 Difference]: Start difference. First operand 4227 states and 15765 transitions. Second operand 3 states. [2019-12-27 04:56:30,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:30,722 INFO L93 Difference]: Finished difference Result 1975 states and 7342 transitions. [2019-12-27 04:56:30,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:30,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 04:56:30,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:30,747 INFO L225 Difference]: With dead ends: 1975 [2019-12-27 04:56:30,748 INFO L226 Difference]: Without dead ends: 1975 [2019-12-27 04:56:30,748 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 04:56:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1975 states. [2019-12-27 04:56:30,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1975 to 1975. [2019-12-27 04:56:30,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1975 states. [2019-12-27 04:56:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1975 states to 1975 states and 7342 transitions. [2019-12-27 04:56:30,856 INFO L78 Accepts]: Start accepts. Automaton has 1975 states and 7342 transitions. Word has length 10 [2019-12-27 04:56:30,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:30,857 INFO L462 AbstractCegarLoop]: Abstraction has 1975 states and 7342 transitions. [2019-12-27 04:56:30,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 7342 transitions. [2019-12-27 04:56:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 04:56:30,861 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:30,861 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-27 04:56:30,861 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 04:56:30,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:30,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1886547670, now seen corresponding path program 1 times [2019-12-27 04:56:30,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:30,862 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325111517] [2019-12-27 04:56:30,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:30,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:56:30,891 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:56:30,892 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:56:30,892 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 04:56:30,901 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,902 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,902 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,903 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,904 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,904 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,904 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,905 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,905 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,906 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,906 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,906 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,907 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,908 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,908 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,908 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,909 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,909 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,910 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,910 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,911 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,911 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,911 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,914 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,914 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,915 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,915 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,917 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,917 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,918 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,918 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,919 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,920 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,920 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,920 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,922 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,923 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,923 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,923 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:30,925 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 04:56:30,926 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:30,926 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:30,926 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:30,926 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:30,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:30,927 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:30,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:30,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:30,929 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 68 transitions [2019-12-27 04:56:30,929 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions [2019-12-27 04:56:30,950 INFO L132 PetriNetUnfolder]: 11/112 cut-off events. [2019-12-27 04:56:30,951 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 04:56:30,953 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 04:56:30,961 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 73 places, 68 transitions [2019-12-27 04:56:30,981 INFO L132 PetriNetUnfolder]: 11/112 cut-off events. [2019-12-27 04:56:30,982 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 04:56:30,984 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 04:56:30,990 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2700 [2019-12-27 04:56:30,990 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:31,568 INFO L206 etLargeBlockEncoding]: Checked pairs total: 5355 [2019-12-27 04:56:31,568 INFO L214 etLargeBlockEncoding]: Total number of compositions: 45 [2019-12-27 04:56:31,568 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 39 places, 37 transitions [2019-12-27 04:56:36,380 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 36397 states. [2019-12-27 04:56:36,381 INFO L276 IsEmpty]: Start isEmpty. Operand 36397 states. [2019-12-27 04:56:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 04:56:36,381 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:36,381 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 04:56:36,382 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 04:56:36,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:36,382 INFO L82 PathProgramCache]: Analyzing trace with hash 16657360, now seen corresponding path program 1 times [2019-12-27 04:56:36,382 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:36,382 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209740685] [2019-12-27 04:56:36,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:36,416 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 04:56:36,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209740685] [2019-12-27 04:56:36,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:36,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 04:56:36,417 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182879911] [2019-12-27 04:56:36,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:36,417 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:36,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:36,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:36,418 INFO L87 Difference]: Start difference. First operand 36397 states. Second operand 3 states. [2019-12-27 04:56:36,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:36,920 INFO L93 Difference]: Finished difference Result 22246 states and 100423 transitions. [2019-12-27 04:56:36,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:36,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-12-27 04:56:36,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:37,098 INFO L225 Difference]: With dead ends: 22246 [2019-12-27 04:56:37,099 INFO L226 Difference]: Without dead ends: 22246 [2019-12-27 04:56:37,099 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 04:56:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22246 states. [2019-12-27 04:56:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22246 to 22246. [2019-12-27 04:56:38,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22246 states. [2019-12-27 04:56:39,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22246 states to 22246 states and 100423 transitions. [2019-12-27 04:56:39,596 INFO L78 Accepts]: Start accepts. Automaton has 22246 states and 100423 transitions. Word has length 4 [2019-12-27 04:56:39,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:39,597 INFO L462 AbstractCegarLoop]: Abstraction has 22246 states and 100423 transitions. [2019-12-27 04:56:39,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand 22246 states and 100423 transitions. [2019-12-27 04:56:39,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 04:56:39,597 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:39,598 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:56:39,598 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 04:56:39,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:39,598 INFO L82 PathProgramCache]: Analyzing trace with hash -667162749, now seen corresponding path program 1 times [2019-12-27 04:56:39,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:39,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123643633] [2019-12-27 04:56:39,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:56:39,625 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-27 04:56:39,626 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123643633] [2019-12-27 04:56:39,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:56:39,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:56:39,627 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74185292] [2019-12-27 04:56:39,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:56:39,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:56:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:56:39,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:56:39,628 INFO L87 Difference]: Start difference. First operand 22246 states and 100423 transitions. Second operand 3 states. [2019-12-27 04:56:39,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:56:39,761 INFO L93 Difference]: Finished difference Result 7918 states and 35335 transitions. [2019-12-27 04:56:39,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:56:39,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 04:56:39,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:56:39,805 INFO L225 Difference]: With dead ends: 7918 [2019-12-27 04:56:39,805 INFO L226 Difference]: Without dead ends: 7918 [2019-12-27 04:56:39,806 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 04:56:39,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7918 states. [2019-12-27 04:56:40,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7918 to 7918. [2019-12-27 04:56:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7918 states. [2019-12-27 04:56:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7918 states to 7918 states and 35335 transitions. [2019-12-27 04:56:40,083 INFO L78 Accepts]: Start accepts. Automaton has 7918 states and 35335 transitions. Word has length 10 [2019-12-27 04:56:40,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:56:40,084 INFO L462 AbstractCegarLoop]: Abstraction has 7918 states and 35335 transitions. [2019-12-27 04:56:40,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:56:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 7918 states and 35335 transitions. [2019-12-27 04:56:40,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 04:56:40,087 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:56:40,087 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:56:40,088 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 04:56:40,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:56:40,088 INFO L82 PathProgramCache]: Analyzing trace with hash 369573413, now seen corresponding path program 1 times [2019-12-27 04:56:40,088 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:56:40,088 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18982117] [2019-12-27 04:56:40,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:56:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 04:56:40,137 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 04:56:40,137 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 04:56:40,138 WARN L364 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 04:56:40,138 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2019-12-27 04:56:40,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,148 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,148 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,149 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,149 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,150 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,151 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,152 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,152 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,153 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,154 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,154 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,155 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,155 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,156 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,156 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,158 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,159 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,159 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,161 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,161 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,161 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,163 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,163 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,164 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,164 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,166 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,166 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:56:40,168 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-27 04:56:40,168 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:56:40,168 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:56:40,169 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:56:40,169 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:56:40,169 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:56:40,169 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:56:40,169 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:56:40,169 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:56:40,170 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 78 transitions [2019-12-27 04:56:40,171 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 78 transitions [2019-12-27 04:56:40,187 INFO L132 PetriNetUnfolder]: 13/131 cut-off events. [2019-12-27 04:56:40,188 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 04:56:40,190 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 328 event pairs. 0/105 useless extension candidates. Maximal degree in co-relation 136. Up to 14 conditions per place. [2019-12-27 04:56:40,198 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 84 places, 78 transitions [2019-12-27 04:56:40,214 INFO L132 PetriNetUnfolder]: 13/131 cut-off events. [2019-12-27 04:56:40,214 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 04:56:40,217 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 328 event pairs. 0/105 useless extension candidates. Maximal degree in co-relation 136. Up to 14 conditions per place. [2019-12-27 04:56:40,224 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3780 [2019-12-27 04:56:40,224 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:56:40,967 INFO L206 etLargeBlockEncoding]: Checked pairs total: 9134 [2019-12-27 04:56:40,967 INFO L214 etLargeBlockEncoding]: Total number of compositions: 50 [2019-12-27 04:56:40,967 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 48 transitions Received shutdown request... [2019-12-27 05:00:50,319 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 05:00:50,322 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 05:00:50,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 05:00:50 BasicIcfg [2019-12-27 05:00:50,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 05:00:50,325 INFO L168 Benchmark]: Toolchain (without parser) took 265138.25 ms. Allocated memory was 136.8 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 100.1 MB in the beginning and 605.1 MB in the end (delta: -505.0 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,326 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 05:00:50,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 620.31 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 158.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 200.3 MB. Free memory was 158.3 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,329 INFO L168 Benchmark]: Boogie Preprocessor took 26.09 ms. Allocated memory is still 200.3 MB. Free memory was 156.2 MB in the beginning and 155.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,329 INFO L168 Benchmark]: RCFGBuilder took 328.46 ms. Allocated memory is still 200.3 MB. Free memory was 155.2 MB in the beginning and 139.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,330 INFO L168 Benchmark]: TraceAbstraction took 264112.04 ms. Allocated memory was 200.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 139.4 MB in the beginning and 605.1 MB in the end (delta: -465.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. [2019-12-27 05:00:50,335 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.8 MB. Free memory is still 119.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 620.31 ms. Allocated memory was 136.8 MB in the beginning and 200.3 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 158.3 MB in the end (delta: -58.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.82 ms. Allocated memory is still 200.3 MB. Free memory was 158.3 MB in the beginning and 156.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.09 ms. Allocated memory is still 200.3 MB. Free memory was 156.2 MB in the beginning and 155.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 328.46 ms. Allocated memory is still 200.3 MB. Free memory was 155.2 MB in the beginning and 139.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 264112.04 ms. Allocated memory was 200.3 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 139.4 MB in the beginning and 605.1 MB in the end (delta: -465.7 MB). Peak memory consumption was 2.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 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: 0.5s, 40 ProgramPointsBefore, 17 ProgramPointsAfterwards, 38 TransitionsBefore, 16 TransitionsAfterwards, 540 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 274 VarBasedMoverChecksPositive, 11 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 736 CheckedPairsTotal, 28 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 51 ProgramPointsBefore, 23 ProgramPointsAfterwards, 48 TransitionsBefore, 22 TransitionsAfterwards, 1080 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 519 VarBasedMoverChecksPositive, 22 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1503 CheckedPairsTotal, 36 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.5s, 62 ProgramPointsBefore, 33 ProgramPointsAfterwards, 58 TransitionsBefore, 31 TransitionsAfterwards, 1800 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 781 VarBasedMoverChecksPositive, 25 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3606 CheckedPairsTotal, 37 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 73 ProgramPointsBefore, 39 ProgramPointsAfterwards, 68 TransitionsBefore, 37 TransitionsAfterwards, 2700 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 1213 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 5355 CheckedPairsTotal, 45 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 84 ProgramPointsBefore, 49 ProgramPointsAfterwards, 78 TransitionsBefore, 48 TransitionsAfterwards, 3780 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 1655 VarBasedMoverChecksPositive, 76 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 9134 CheckedPairsTotal, 50 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 49 places, 48 transitions. Already constructed 319070 states. Currently 23401 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Result: TIMEOUT, OverallTime: 250.1s, 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