/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 08:55:52,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 08:55:52,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 08:55:52,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 08:55:52,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 08:55:52,818 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 08:55:52,820 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 08:55:52,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 08:55:52,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 08:55:52,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 08:55:52,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 08:55:52,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 08:55:52,842 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 08:55:52,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 08:55:52,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 08:55:52,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 08:55:52,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 08:55:52,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 08:55:52,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 08:55:52,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 08:55:52,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 08:55:52,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 08:55:52,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 08:55:52,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 08:55:52,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 08:55:52,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 08:55:52,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 08:55:52,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 08:55:52,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 08:55:52,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 08:55:52,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 08:55:52,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 08:55:52,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 08:55:52,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 08:55:52,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 08:55:52,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 08:55:52,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 08:55:52,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 08:55:52,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 08:55:52,890 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 08:55:52,892 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 08:55:52,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-27 08:55:52,912 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 08:55:52,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 08:55:52,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 08:55:52,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 08:55:52,915 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 08:55:52,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 08:55:52,915 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 08:55:52,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 08:55:52,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 08:55:52,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 08:55:52,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 08:55:52,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 08:55:52,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 08:55:52,918 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 08:55:52,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 08:55:52,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 08:55:52,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 08:55:52,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 08:55:52,919 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 08:55:52,919 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 08:55:52,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 08:55:52,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 08:55:52,920 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 08:55:52,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 08:55:52,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 08:55:52,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 08:55:52,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 08:55:52,921 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 08:55:52,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 08:55:52,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 08:55:53,213 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 08:55:53,231 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 08:55:53,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 08:55:53,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 08:55:53,237 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 08:55:53,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 08:55:53,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7f173e6/b3ec47247ba846c28b210cdd0bd788a5/FLAG4ebd3b06d [2019-12-27 08:55:53,843 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 08:55:53,850 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 08:55:53,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7f173e6/b3ec47247ba846c28b210cdd0bd788a5/FLAG4ebd3b06d [2019-12-27 08:55:54,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f7f173e6/b3ec47247ba846c28b210cdd0bd788a5 [2019-12-27 08:55:54,133 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 08:55:54,135 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 08:55:54,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 08:55:54,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 08:55:54,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 08:55:54,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7d11a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54, skipping insertion in model container [2019-12-27 08:55:54,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 08:55:54,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 08:55:54,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:55:54,723 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 08:55:54,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 08:55:54,898 INFO L208 MainTranslator]: Completed translation [2019-12-27 08:55:54,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54 WrapperNode [2019-12-27 08:55:54,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 08:55:54,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 08:55:54,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 08:55:54,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 08:55:54,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 08:55:54,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 08:55:54,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 08:55:54,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 08:55:54,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:54,994 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:55,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:55,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:55,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (1/1) ... [2019-12-27 08:55:55,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 08:55:55,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 08:55:55,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 08:55:55,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 08:55:55,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (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 08:55:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 08:55:55,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 08:55:55,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 08:55:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 08:55:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 08:55:55,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 08:55:55,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 08:55:55,098 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 08:55:55,398 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 08:55:55,399 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 08:55:55,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:55:55 BoogieIcfgContainer [2019-12-27 08:55:55,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 08:55:55,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 08:55:55,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 08:55:55,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 08:55:55,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:55:54" (1/3) ... [2019-12-27 08:55:55,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5a1382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:55:55, skipping insertion in model container [2019-12-27 08:55:55,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:55:54" (2/3) ... [2019-12-27 08:55:55,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b5a1382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:55:55, skipping insertion in model container [2019-12-27 08:55:55,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:55:55" (3/3) ... [2019-12-27 08:55:55,410 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2019-12-27 08:55:55,420 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 08:55:55,420 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 08:55:55,427 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 08:55:55,428 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 08:55:55,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,461 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,465 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,465 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,466 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,466 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:55,486 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 08:55:55,502 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:55:55,503 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:55:55,503 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:55:55,503 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:55:55,503 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:55:55,503 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:55:55,504 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:55:55,504 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:55:55,512 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 28 transitions [2019-12-27 08:55:55,528 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 106 states. [2019-12-27 08:55:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2019-12-27 08:55:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 08:55:55,537 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:55,538 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:55,538 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:55:55,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:55,545 INFO L82 PathProgramCache]: Analyzing trace with hash -395364706, now seen corresponding path program 1 times [2019-12-27 08:55:55,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:55,560 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77931768] [2019-12-27 08:55:55,560 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:55:55,790 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 08:55:55,791 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77931768] [2019-12-27 08:55:55,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:55:55,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:55:55,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715439079] [2019-12-27 08:55:55,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:55:55,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:55:55,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:55:55,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:55,823 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-12-27 08:55:55,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:55:55,854 INFO L93 Difference]: Finished difference Result 46 states and 69 transitions. [2019-12-27 08:55:55,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:55:55,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 08:55:55,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:55:55,873 INFO L225 Difference]: With dead ends: 46 [2019-12-27 08:55:55,874 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 08:55:55,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 08:55:55,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-27 08:55:55,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-27 08:55:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2019-12-27 08:55:55,932 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 14 [2019-12-27 08:55:55,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:55:55,933 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2019-12-27 08:55:55,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:55:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2019-12-27 08:55:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 08:55:55,935 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:55,936 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:55,936 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 08:55:55,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:55,936 INFO L82 PathProgramCache]: Analyzing trace with hash 627905184, now seen corresponding path program 1 times [2019-12-27 08:55:55,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:55,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131883746] [2019-12-27 08:55:55,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:56,053 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:55:56,053 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:55:56,055 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:55:56,055 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 08:55:56,063 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,064 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,064 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,064 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,065 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,065 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,065 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,066 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,066 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,066 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,066 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,067 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,067 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,068 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,068 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,068 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,070 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,071 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,071 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,071 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 08:55:56,074 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:55:56,074 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:55:56,074 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:55:56,074 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:55:56,074 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:55:56,074 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:55:56,075 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:55:56,075 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:55:56,077 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-12-27 08:55:56,137 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 907 states. [2019-12-27 08:55:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2019-12-27 08:55:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 08:55:56,138 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:56,139 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:56,140 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:55:56,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:56,142 INFO L82 PathProgramCache]: Analyzing trace with hash -489840098, now seen corresponding path program 1 times [2019-12-27 08:55:56,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:56,151 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441423125] [2019-12-27 08:55:56,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:55:56,236 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 08:55:56,236 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441423125] [2019-12-27 08:55:56,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:55:56,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:55:56,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994799575] [2019-12-27 08:55:56,239 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:55:56,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:55:56,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:55:56,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:56,241 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2019-12-27 08:55:56,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:55:56,291 INFO L93 Difference]: Finished difference Result 344 states and 827 transitions. [2019-12-27 08:55:56,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:55:56,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 08:55:56,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:55:56,299 INFO L225 Difference]: With dead ends: 344 [2019-12-27 08:55:56,299 INFO L226 Difference]: Without dead ends: 344 [2019-12-27 08:55:56,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:56,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-12-27 08:55:56,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2019-12-27 08:55:56,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-27 08:55:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 827 transitions. [2019-12-27 08:55:56,360 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 827 transitions. Word has length 14 [2019-12-27 08:55:56,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:55:56,361 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 827 transitions. [2019-12-27 08:55:56,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:55:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 827 transitions. [2019-12-27 08:55:56,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 08:55:56,363 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:56,364 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:56,364 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:55:56,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:56,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1597502585, now seen corresponding path program 1 times [2019-12-27 08:55:56,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:56,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806974864] [2019-12-27 08:55:56,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:56,395 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:55:56,395 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:55:56,396 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:55:56,396 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 08:55:56,405 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,405 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,406 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,406 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,408 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,408 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,408 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,409 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,409 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,409 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,410 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,410 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,411 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,411 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,413 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,414 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,414 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,427 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,429 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,429 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,429 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,430 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:56,432 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 08:55:56,433 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:55:56,433 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:55:56,433 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:55:56,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:55:56,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:55:56,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:55:56,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:55:56,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:55:56,436 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 48 transitions [2019-12-27 08:55:57,075 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8116 states. [2019-12-27 08:55:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states. [2019-12-27 08:55:57,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 08:55:57,076 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:57,076 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:57,077 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:55:57,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:57,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1513462923, now seen corresponding path program 1 times [2019-12-27 08:55:57,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:57,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580545665] [2019-12-27 08:55:57,078 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:55:57,125 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 08:55:57,126 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580545665] [2019-12-27 08:55:57,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:55:57,126 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:55:57,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873107424] [2019-12-27 08:55:57,127 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:55:57,127 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:55:57,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:55:57,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:57,128 INFO L87 Difference]: Start difference. First operand 8116 states. Second operand 3 states. [2019-12-27 08:55:57,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:55:57,302 INFO L93 Difference]: Finished difference Result 3168 states and 10471 transitions. [2019-12-27 08:55:57,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:55:57,303 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 08:55:57,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:55:57,344 INFO L225 Difference]: With dead ends: 3168 [2019-12-27 08:55:57,344 INFO L226 Difference]: Without dead ends: 3168 [2019-12-27 08:55:57,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:57,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2019-12-27 08:55:57,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2019-12-27 08:55:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2019-12-27 08:55:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 10471 transitions. [2019-12-27 08:55:57,523 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 10471 transitions. Word has length 14 [2019-12-27 08:55:57,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:55:57,523 INFO L462 AbstractCegarLoop]: Abstraction has 3168 states and 10471 transitions. [2019-12-27 08:55:57,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:55:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 10471 transitions. [2019-12-27 08:55:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:55:57,526 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:57,526 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:57,527 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:55:57,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:57,527 INFO L82 PathProgramCache]: Analyzing trace with hash 876305141, now seen corresponding path program 1 times [2019-12-27 08:55:57,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:57,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096922336] [2019-12-27 08:55:57,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:55:57,569 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-27 08:55:57,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096922336] [2019-12-27 08:55:57,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:55:57,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:55:57,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272429448] [2019-12-27 08:55:57,571 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:55:57,571 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:55:57,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:55:57,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:57,572 INFO L87 Difference]: Start difference. First operand 3168 states and 10471 transitions. Second operand 3 states. [2019-12-27 08:55:57,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:55:57,631 INFO L93 Difference]: Finished difference Result 1950 states and 6377 transitions. [2019-12-27 08:55:57,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:55:57,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 08:55:57,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:55:57,647 INFO L225 Difference]: With dead ends: 1950 [2019-12-27 08:55:57,647 INFO L226 Difference]: Without dead ends: 1950 [2019-12-27 08:55:57,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:55:57,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-12-27 08:55:57,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1950. [2019-12-27 08:55:57,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-12-27 08:55:57,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 6377 transitions. [2019-12-27 08:55:57,724 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 6377 transitions. Word has length 22 [2019-12-27 08:55:57,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:55:57,725 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 6377 transitions. [2019-12-27 08:55:57,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:55:57,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 6377 transitions. [2019-12-27 08:55:57,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 08:55:57,728 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:55:57,728 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:55:57,728 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 08:55:57,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:55:57,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1520303663, now seen corresponding path program 1 times [2019-12-27 08:55:57,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:55:57,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581004062] [2019-12-27 08:55:57,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:55:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:55:57,770 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:55:57,770 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:55:57,771 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:55:57,771 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 08:55:57,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,784 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,787 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,788 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,791 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,792 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,792 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,799 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,800 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,800 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,809 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,809 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,809 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,810 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,813 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,814 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,814 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,814 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:55:57,819 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 08:55:57,820 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:55:57,820 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:55:57,820 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:55:57,820 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:55:57,820 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:55:57,821 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:55:57,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:55:57,821 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:55:57,824 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 58 transitions [2019-12-27 08:56:16,971 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 72997 states. [2019-12-27 08:56:16,972 INFO L276 IsEmpty]: Start isEmpty. Operand 72997 states. [2019-12-27 08:56:16,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 08:56:16,972 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:56:16,972 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:56:16,973 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 08:56:16,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:56:16,973 INFO L82 PathProgramCache]: Analyzing trace with hash 828751989, now seen corresponding path program 1 times [2019-12-27 08:56:16,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:56:16,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287952191] [2019-12-27 08:56:16,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:56:17,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:56:17,035 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 08:56:17,035 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287952191] [2019-12-27 08:56:17,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:56:17,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:56:17,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186310277] [2019-12-27 08:56:17,037 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:56:17,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:56:17,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:56:17,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:56:17,039 INFO L87 Difference]: Start difference. First operand 72997 states. Second operand 3 states. [2019-12-27 08:56:17,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:56:17,550 INFO L93 Difference]: Finished difference Result 30196 states and 126907 transitions. [2019-12-27 08:56:17,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:56:17,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 08:56:17,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:56:17,752 INFO L225 Difference]: With dead ends: 30196 [2019-12-27 08:56:17,752 INFO L226 Difference]: Without dead ends: 30196 [2019-12-27 08:56:17,753 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:56:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30196 states. [2019-12-27 08:56:20,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30196 to 30196. [2019-12-27 08:56:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30196 states. [2019-12-27 08:56:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 126907 transitions. [2019-12-27 08:56:20,498 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 126907 transitions. Word has length 14 [2019-12-27 08:56:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:56:20,498 INFO L462 AbstractCegarLoop]: Abstraction has 30196 states and 126907 transitions. [2019-12-27 08:56:20,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:56:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 126907 transitions. [2019-12-27 08:56:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 08:56:20,500 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:56:20,500 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:56:20,500 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 08:56:20,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:56:20,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1408900856, now seen corresponding path program 1 times [2019-12-27 08:56:20,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:56:20,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231940866] [2019-12-27 08:56:20,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:56:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 08:56:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 08:56:20,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231940866] [2019-12-27 08:56:20,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 08:56:20,539 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 08:56:20,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222442290] [2019-12-27 08:56:20,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 08:56:20,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 08:56:20,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 08:56:20,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:56:20,541 INFO L87 Difference]: Start difference. First operand 30196 states and 126907 transitions. Second operand 3 states. [2019-12-27 08:56:20,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 08:56:20,645 INFO L93 Difference]: Finished difference Result 13612 states and 56259 transitions. [2019-12-27 08:56:20,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 08:56:20,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 08:56:20,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 08:56:20,716 INFO L225 Difference]: With dead ends: 13612 [2019-12-27 08:56:20,717 INFO L226 Difference]: Without dead ends: 13612 [2019-12-27 08:56:20,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 08:56:20,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13612 states. [2019-12-27 08:56:21,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13612 to 13612. [2019-12-27 08:56:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13612 states. [2019-12-27 08:56:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13612 states to 13612 states and 56259 transitions. [2019-12-27 08:56:21,199 INFO L78 Accepts]: Start accepts. Automaton has 13612 states and 56259 transitions. Word has length 22 [2019-12-27 08:56:21,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 08:56:21,200 INFO L462 AbstractCegarLoop]: Abstraction has 13612 states and 56259 transitions. [2019-12-27 08:56:21,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 08:56:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand 13612 states and 56259 transitions. [2019-12-27 08:56:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 08:56:21,203 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 08:56:21,204 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 08:56:21,204 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 08:56:21,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 08:56:21,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1372194238, now seen corresponding path program 1 times [2019-12-27 08:56:21,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 08:56:21,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368021913] [2019-12-27 08:56:21,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 08:56:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:56:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 08:56:21,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 08:56:21,228 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 08:56:21,228 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 08:56:21,228 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 08:56:21,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,239 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,240 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,241 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,241 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,242 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,243 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,243 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,244 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,244 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,245 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,245 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,245 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,248 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,248 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,249 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,251 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,251 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,251 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,254 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,255 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,255 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,257 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,258 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 08:56:21,260 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 08:56:21,261 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 08:56:21,261 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 08:56:21,261 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 08:56:21,261 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 08:56:21,261 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 08:56:21,261 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 08:56:21,262 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 08:56:21,262 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 08:56:21,264 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 68 transitions Received shutdown request... [2019-12-27 09:00:25,117 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 09:00:25,121 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 09:00:25,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 09:00:25 BasicIcfg [2019-12-27 09:00:25,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 09:00:25,124 INFO L168 Benchmark]: Toolchain (without parser) took 270989.06 ms. Allocated memory was 144.7 MB in the beginning and 2.9 GB in the end (delta: 2.8 GB). Free memory was 99.5 MB in the beginning and 985.7 MB in the end (delta: -886.3 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,125 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 764.28 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 163.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.72 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 160.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,128 INFO L168 Benchmark]: Boogie Preprocessor took 51.39 ms. Allocated memory is still 202.4 MB. Free memory was 160.9 MB in the beginning and 159.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,129 INFO L168 Benchmark]: RCFGBuilder took 379.89 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 144.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,130 INFO L168 Benchmark]: TraceAbstraction took 269719.92 ms. Allocated memory was 202.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 144.1 MB in the beginning and 985.7 MB in the end (delta: -841.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 09:00:25,135 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 764.28 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 99.3 MB in the beginning and 163.0 MB in the end (delta: -63.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.72 ms. Allocated memory is still 202.4 MB. Free memory was 163.0 MB in the beginning and 160.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.39 ms. Allocated memory is still 202.4 MB. Free memory was 160.9 MB in the beginning and 159.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 379.89 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 144.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 269719.92 ms. Allocated memory was 202.4 MB in the beginning and 2.9 GB in the end (delta: 2.7 GB). Free memory was 144.1 MB in the beginning and 985.7 MB in the end (delta: -841.6 MB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 73 places, 68 transitions. Already constructed 301230 states. Currently 53895 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Result: TIMEOUT, OverallTime: 243.8s, 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