/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-MCR.epf -i ../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:44:41,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:44:41,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:44:41,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:44:41,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:44:41,523 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:44:41,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:44:41,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:44:41,528 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:44:41,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:44:41,530 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:44:41,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:44:41,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:44:41,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:44:41,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:44:41,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:44:41,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:44:41,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:44:41,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:44:41,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:44:41,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:44:41,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:44:41,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:44:41,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:44:41,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 23:44:41,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:44:41,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:44:41,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:44:41,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:44:41,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:44:41,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:44:41,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:44:41,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:44:41,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:44:41,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:44:41,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:44:41,561 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-MCR.epf [2019-12-27 23:44:41,589 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:44:41,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:44:41,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:44:41,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:44:41,592 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:44:41,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:44:41,593 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:44:41,593 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:44:41,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:44:41,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:44:41,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:44:41,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:44:41,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:44:41,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:44:41,596 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:44:41,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:44:41,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:44:41,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:44:41,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:44:41,597 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:44:41,597 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:44:41,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:44:41,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:44:41,598 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:44:41,598 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:44:41,598 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:44:41,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:44:41,598 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:44:41,599 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:44:41,599 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:44:41,600 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:44:41,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:44:41,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:44:41,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:44:41,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:44:41,899 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:44:41,899 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:44:41,900 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 23:44:41,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abe67160/f8ac57521ccf41f1823e485e729045c3/FLAG633aadbaa [2019-12-27 23:44:42,495 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:44:42,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/46_monabsex2_vs.i [2019-12-27 23:44:42,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abe67160/f8ac57521ccf41f1823e485e729045c3/FLAG633aadbaa [2019-12-27 23:44:42,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abe67160/f8ac57521ccf41f1823e485e729045c3 [2019-12-27 23:44:42,817 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:44:42,819 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:44:42,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:44:42,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:44:42,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:44:42,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:44:42" (1/1) ... [2019-12-27 23:44:42,828 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@327fbd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:42, skipping insertion in model container [2019-12-27 23:44:42,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:44:42" (1/1) ... [2019-12-27 23:44:42,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:44:42,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:44:43,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:44:43,398 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:44:43,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:44:43,538 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:44:43,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43 WrapperNode [2019-12-27 23:44:43,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:44:43,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:44:43,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:44:43,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:44:43,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:44:43,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:44:43,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:44:43,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:44:43,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,614 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (1/1) ... [2019-12-27 23:44:43,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:44:43,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:44:43,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:44:43,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:44:43,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (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 23:44:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 23:44:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 23:44:43,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:44:43,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:44:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:44:43,690 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 23:44:44,041 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:44:44,042 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 23:44:44,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:44:44 BoogieIcfgContainer [2019-12-27 23:44:44,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:44:44,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:44:44,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:44:44,047 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:44:44,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:44:42" (1/3) ... [2019-12-27 23:44:44,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dac5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:44:44, skipping insertion in model container [2019-12-27 23:44:44,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:44:43" (2/3) ... [2019-12-27 23:44:44,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dac5322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:44:44, skipping insertion in model container [2019-12-27 23:44:44,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:44:44" (3/3) ... [2019-12-27 23:44:44,051 INFO L109 eAbstractionObserver]: Analyzing ICFG 46_monabsex2_vs.i [2019-12-27 23:44:44,060 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:44:44,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:44:44,066 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:44:44,067 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:44:44,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,089 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,089 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,090 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,091 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,095 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,095 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,096 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,096 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,117 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 23:44:44,134 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:44,134 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:44,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:44,135 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:44,135 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:44,135 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:44,135 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:44,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:44,145 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 28 transitions [2019-12-27 23:44:44,161 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 106 states. [2019-12-27 23:44:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2019-12-27 23:44:44,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 23:44:44,172 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:44,173 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:44,174 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:44:44,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:44,180 INFO L82 PathProgramCache]: Analyzing trace with hash -395364706, now seen corresponding path program 1 times [2019-12-27 23:44:44,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:44,192 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028459123] [2019-12-27 23:44:44,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:44,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:44:44,440 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 23:44:44,441 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028459123] [2019-12-27 23:44:44,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:44:44,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:44:44,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [414580806] [2019-12-27 23:44:44,444 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:44:44,450 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:44:44,467 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 23:44:44,467 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:44:44,472 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:44:44,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:44:44,473 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:44:44,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:44:44,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:44:44,491 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 3 states. [2019-12-27 23:44:44,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:44:44,506 INFO L93 Difference]: Finished difference Result 46 states and 69 transitions. [2019-12-27 23:44:44,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:44:44,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 23:44:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:44:44,518 INFO L225 Difference]: With dead ends: 46 [2019-12-27 23:44:44,518 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 23:44:44,520 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 23:44:44,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 23:44:44,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2019-12-27 23:44:44,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2019-12-27 23:44:44,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 69 transitions. [2019-12-27 23:44:44,562 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 69 transitions. Word has length 14 [2019-12-27 23:44:44,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:44:44,562 INFO L462 AbstractCegarLoop]: Abstraction has 46 states and 69 transitions. [2019-12-27 23:44:44,562 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:44:44,563 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 69 transitions. [2019-12-27 23:44:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 23:44:44,563 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:44,564 INFO L411 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:44,564 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 23:44:44,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:44,565 INFO L82 PathProgramCache]: Analyzing trace with hash 627905184, now seen corresponding path program 1 times [2019-12-27 23:44:44,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:44,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468602517] [2019-12-27 23:44:44,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:44,623 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:44,623 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:44,625 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:44,625 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 23:44:44,632 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,632 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,633 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,633 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,633 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,634 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,635 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,635 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,636 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,636 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,636 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,637 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,639 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,639 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,640 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:44,645 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 23:44:44,646 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:44,646 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:44,646 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:44,646 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:44,646 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:44,647 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:44,647 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:44,647 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:44,649 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 38 transitions [2019-12-27 23:44:44,727 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 907 states. [2019-12-27 23:44:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states. [2019-12-27 23:44:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 23:44:44,729 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:44,729 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:44,729 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:44,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:44,730 INFO L82 PathProgramCache]: Analyzing trace with hash -489840098, now seen corresponding path program 1 times [2019-12-27 23:44:44,730 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:44,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459141538] [2019-12-27 23:44:44,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:44:44,789 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 23:44:44,790 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459141538] [2019-12-27 23:44:44,790 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:44:44,790 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:44:44,791 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1322696154] [2019-12-27 23:44:44,791 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:44:44,792 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:44:44,795 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 23:44:44,795 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:44:44,795 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:44:44,796 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:44:44,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:44:44,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:44:44,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:44:44,799 INFO L87 Difference]: Start difference. First operand 907 states. Second operand 3 states. [2019-12-27 23:44:44,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:44:44,851 INFO L93 Difference]: Finished difference Result 344 states and 827 transitions. [2019-12-27 23:44:44,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:44:44,852 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 23:44:44,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:44:44,860 INFO L225 Difference]: With dead ends: 344 [2019-12-27 23:44:44,860 INFO L226 Difference]: Without dead ends: 344 [2019-12-27 23:44:44,861 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 23:44:44,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2019-12-27 23:44:44,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2019-12-27 23:44:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-12-27 23:44:44,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 827 transitions. [2019-12-27 23:44:44,930 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 827 transitions. Word has length 14 [2019-12-27 23:44:44,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:44:44,931 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 827 transitions. [2019-12-27 23:44:44,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:44:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 827 transitions. [2019-12-27 23:44:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 23:44:44,935 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:44,935 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:44,935 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:44,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:44,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1597502585, now seen corresponding path program 1 times [2019-12-27 23:44:44,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:44,937 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954523941] [2019-12-27 23:44:44,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:44,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:44,986 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:44,986 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:44,986 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:44,987 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 23:44:45,008 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,009 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,009 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,010 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,011 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,011 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,011 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,012 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,012 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,013 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,014 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,014 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,016 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,017 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,017 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,025 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,026 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,026 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,026 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:45,036 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 23:44:45,037 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:45,037 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:45,037 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:45,037 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:45,037 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:45,037 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:45,037 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:45,038 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:45,040 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 51 places, 48 transitions [2019-12-27 23:44:45,633 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8116 states. [2019-12-27 23:44:45,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states. [2019-12-27 23:44:45,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 23:44:45,634 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:45,634 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:45,635 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:45,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:45,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1513462923, now seen corresponding path program 1 times [2019-12-27 23:44:45,635 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:45,636 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825612778] [2019-12-27 23:44:45,636 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:44:45,693 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 23:44:45,695 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825612778] [2019-12-27 23:44:45,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:44:45,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:44:45,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1486958085] [2019-12-27 23:44:45,696 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:44:45,697 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:44:45,701 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 23:44:45,701 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:44:45,701 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:44:45,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:44:45,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:44:45,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:44:45,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:44:45,703 INFO L87 Difference]: Start difference. First operand 8116 states. Second operand 3 states. [2019-12-27 23:44:45,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:44:45,880 INFO L93 Difference]: Finished difference Result 3168 states and 10471 transitions. [2019-12-27 23:44:45,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:44:45,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 23:44:45,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:44:45,924 INFO L225 Difference]: With dead ends: 3168 [2019-12-27 23:44:45,925 INFO L226 Difference]: Without dead ends: 3168 [2019-12-27 23:44:45,925 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 23:44:45,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2019-12-27 23:44:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3168. [2019-12-27 23:44:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3168 states. [2019-12-27 23:44:46,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3168 states to 3168 states and 10471 transitions. [2019-12-27 23:44:46,094 INFO L78 Accepts]: Start accepts. Automaton has 3168 states and 10471 transitions. Word has length 14 [2019-12-27 23:44:46,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:44:46,095 INFO L462 AbstractCegarLoop]: Abstraction has 3168 states and 10471 transitions. [2019-12-27 23:44:46,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:44:46,095 INFO L276 IsEmpty]: Start isEmpty. Operand 3168 states and 10471 transitions. [2019-12-27 23:44:46,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:44:46,104 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:46,104 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 23:44:46,105 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:46,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:46,105 INFO L82 PathProgramCache]: Analyzing trace with hash 876305141, now seen corresponding path program 1 times [2019-12-27 23:44:46,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:46,106 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138932774] [2019-12-27 23:44:46,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:44:46,192 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 23:44:46,192 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138932774] [2019-12-27 23:44:46,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:44:46,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:44:46,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [332943969] [2019-12-27 23:44:46,193 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:44:46,195 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:44:46,198 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 62 transitions. [2019-12-27 23:44:46,199 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:44:46,211 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-27 23:44:46,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:44:46,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:44:46,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:44:46,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:44:46,213 INFO L87 Difference]: Start difference. First operand 3168 states and 10471 transitions. Second operand 3 states. [2019-12-27 23:44:46,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:44:46,261 INFO L93 Difference]: Finished difference Result 1950 states and 6377 transitions. [2019-12-27 23:44:46,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:44:46,262 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 23:44:46,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:44:46,278 INFO L225 Difference]: With dead ends: 1950 [2019-12-27 23:44:46,278 INFO L226 Difference]: Without dead ends: 1950 [2019-12-27 23:44:46,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 23:44:46,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2019-12-27 23:44:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1950. [2019-12-27 23:44:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1950 states. [2019-12-27 23:44:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1950 states and 6377 transitions. [2019-12-27 23:44:46,353 INFO L78 Accepts]: Start accepts. Automaton has 1950 states and 6377 transitions. Word has length 22 [2019-12-27 23:44:46,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:44:46,354 INFO L462 AbstractCegarLoop]: Abstraction has 1950 states and 6377 transitions. [2019-12-27 23:44:46,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:44:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 6377 transitions. [2019-12-27 23:44:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-27 23:44:46,355 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:44:46,356 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:44:46,356 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:44:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:44:46,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1520303663, now seen corresponding path program 1 times [2019-12-27 23:44:46,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:44:46,357 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059920159] [2019-12-27 23:44:46,357 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:44:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:44:46,383 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:44:46,383 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:44:46,384 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:44:46,384 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 23:44:46,393 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,393 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,393 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,393 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,394 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,394 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,394 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,394 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,395 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,395 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,395 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,395 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,396 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,396 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,396 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,396 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,397 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,397 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,397 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,397 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,398 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,398 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,398 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,398 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,399 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,399 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,399 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,399 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,401 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,401 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,402 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,404 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,405 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,405 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,407 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,407 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:44:46,410 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 23:44:46,410 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:44:46,411 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:44:46,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:44:46,411 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:44:46,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:44:46,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:44:46,411 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:44:46,411 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:44:46,414 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 58 transitions [2019-12-27 23:45:05,184 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 72997 states. [2019-12-27 23:45:05,184 INFO L276 IsEmpty]: Start isEmpty. Operand 72997 states. [2019-12-27 23:45:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 23:45:05,184 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:45:05,185 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:45:05,185 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 23:45:05,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:45:05,185 INFO L82 PathProgramCache]: Analyzing trace with hash 828751989, now seen corresponding path program 1 times [2019-12-27 23:45:05,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:45:05,186 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609690950] [2019-12-27 23:45:05,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:45:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:45:05,219 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 23:45:05,220 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609690950] [2019-12-27 23:45:05,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:45:05,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:45:05,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1778159910] [2019-12-27 23:45:05,221 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:45:05,223 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:45:05,224 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 15 states and 14 transitions. [2019-12-27 23:45:05,224 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:45:05,224 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:45:05,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:45:05,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:45:05,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:45:05,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:45:05,226 INFO L87 Difference]: Start difference. First operand 72997 states. Second operand 3 states. [2019-12-27 23:45:05,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:45:05,585 INFO L93 Difference]: Finished difference Result 30196 states and 126907 transitions. [2019-12-27 23:45:05,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:45:05,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-27 23:45:05,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:45:07,076 INFO L225 Difference]: With dead ends: 30196 [2019-12-27 23:45:07,076 INFO L226 Difference]: Without dead ends: 30196 [2019-12-27 23:45:07,076 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 23:45:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30196 states. [2019-12-27 23:45:08,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30196 to 30196. [2019-12-27 23:45:08,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30196 states. [2019-12-27 23:45:08,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30196 states to 30196 states and 126907 transitions. [2019-12-27 23:45:08,598 INFO L78 Accepts]: Start accepts. Automaton has 30196 states and 126907 transitions. Word has length 14 [2019-12-27 23:45:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:45:08,599 INFO L462 AbstractCegarLoop]: Abstraction has 30196 states and 126907 transitions. [2019-12-27 23:45:08,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:45:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 30196 states and 126907 transitions. [2019-12-27 23:45:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-27 23:45:08,600 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:45:08,600 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 23:45:08,600 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 23:45:08,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:45:08,601 INFO L82 PathProgramCache]: Analyzing trace with hash -1408900856, now seen corresponding path program 1 times [2019-12-27 23:45:08,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:45:08,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223817497] [2019-12-27 23:45:08,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:45:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:45:08,636 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 23:45:08,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223817497] [2019-12-27 23:45:08,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:45:08,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 23:45:08,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1039103731] [2019-12-27 23:45:08,637 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:45:08,639 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:45:08,642 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 43 states and 62 transitions. [2019-12-27 23:45:08,642 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:45:08,643 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 23:45:08,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:45:08,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:45:08,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:45:08,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:45:08,644 INFO L87 Difference]: Start difference. First operand 30196 states and 126907 transitions. Second operand 3 states. [2019-12-27 23:45:08,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:45:08,821 INFO L93 Difference]: Finished difference Result 13612 states and 56259 transitions. [2019-12-27 23:45:08,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:45:08,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-12-27 23:45:08,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:45:08,880 INFO L225 Difference]: With dead ends: 13612 [2019-12-27 23:45:08,881 INFO L226 Difference]: Without dead ends: 13612 [2019-12-27 23:45:08,881 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 23:45:09,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13612 states. [2019-12-27 23:45:09,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13612 to 13612. [2019-12-27 23:45:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13612 states. [2019-12-27 23:45:09,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13612 states to 13612 states and 56259 transitions. [2019-12-27 23:45:09,379 INFO L78 Accepts]: Start accepts. Automaton has 13612 states and 56259 transitions. Word has length 22 [2019-12-27 23:45:09,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:45:09,380 INFO L462 AbstractCegarLoop]: Abstraction has 13612 states and 56259 transitions. [2019-12-27 23:45:09,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:45:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 13612 states and 56259 transitions. [2019-12-27 23:45:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-27 23:45:09,384 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:45:09,385 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:45:09,385 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 23:45:09,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:45:09,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1372194238, now seen corresponding path program 1 times [2019-12-27 23:45:09,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:45:09,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144881670] [2019-12-27 23:45:09,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:45:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:45:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 23:45:09,438 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 23:45:09,439 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 23:45:09,439 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 23:45:09,439 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 23:45:09,450 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,451 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,451 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,451 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,452 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,453 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,453 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,453 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,453 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,454 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,454 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,455 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,459 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,460 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,460 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,460 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,462 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,462 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,463 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,464 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,464 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,464 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,464 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,464 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,465 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,465 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,466 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,466 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,466 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,467 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,469 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,469 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,470 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,470 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,472 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,472 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,473 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,473 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,477 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,478 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,478 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,480 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,481 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,481 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:45:09,483 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 23:45:09,483 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:45:09,484 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:45:09,484 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:45:09,484 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:45:09,484 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:45:09,484 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:45:09,484 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:45:09,484 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:45:09,486 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 68 transitions Received shutdown request... [2019-12-27 23:49:12,858 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 23:49:12,862 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 23:49:12,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:49:12 BasicIcfg [2019-12-27 23:49:12,863 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:49:12,865 INFO L168 Benchmark]: Toolchain (without parser) took 270046.05 ms. Allocated memory was 144.2 MB in the beginning and 3.1 GB in the end (delta: 3.0 GB). Free memory was 100.4 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,867 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.14 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 160.4 MB in the end (delta: -60.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,868 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.71 ms. Allocated memory is still 201.9 MB. Free memory was 159.7 MB in the beginning and 158.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,869 INFO L168 Benchmark]: Boogie Preprocessor took 26.13 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,870 INFO L168 Benchmark]: RCFGBuilder took 423.69 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 140.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,871 INFO L168 Benchmark]: TraceAbstraction took 268818.67 ms. Allocated memory was 201.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-27 23:49:12,876 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.14 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 100.0 MB in the beginning and 160.4 MB in the end (delta: -60.4 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 51.71 ms. Allocated memory is still 201.9 MB. Free memory was 159.7 MB in the beginning and 158.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.13 ms. Allocated memory is still 201.9 MB. Free memory was 158.3 MB in the beginning and 156.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 423.69 ms. Allocated memory is still 201.9 MB. Free memory was 156.9 MB in the beginning and 140.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 268818.67 ms. Allocated memory was 201.9 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 140.8 MB in the beginning and 1.7 GB in the end (delta: -1.6 GB). 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 298693 states. Currently 53840 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Result: TIMEOUT, OverallTime: 243.3s, 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