/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 19:25:21,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 19:25:21,137 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 19:25:21,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 19:25:21,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 19:25:21,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 19:25:21,152 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 19:25:21,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 19:25:21,156 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 19:25:21,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 19:25:21,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 19:25:21,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 19:25:21,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 19:25:21,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 19:25:21,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 19:25:21,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 19:25:21,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 19:25:21,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 19:25:21,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 19:25:21,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 19:25:21,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 19:25:21,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 19:25:21,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 19:25:21,177 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 19:25:21,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 19:25:21,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 19:25:21,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 19:25:21,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 19:25:21,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 19:25:21,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 19:25:21,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 19:25:21,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 19:25:21,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 19:25:21,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 19:25:21,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 19:25:21,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 19:25:21,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe-MCR.epf [2019-12-27 19:25:21,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 19:25:21,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 19:25:21,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 19:25:21,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 19:25:21,221 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 19:25:21,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 19:25:21,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 19:25:21,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 19:25:21,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 19:25:21,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 19:25:21,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 19:25:21,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 19:25:21,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 19:25:21,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 19:25:21,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 19:25:21,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 19:25:21,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 19:25:21,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 19:25:21,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 19:25:21,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 19:25:21,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 19:25:21,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 19:25:21,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 19:25:21,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 19:25:21,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 19:25:21,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 19:25:21,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 19:25:21,226 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 19:25:21,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 19:25:21,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 19:25:21,227 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 19:25:21,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 19:25:21,494 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 19:25:21,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 19:25:21,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 19:25:21,515 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 19:25:21,515 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 19:25:21,516 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-27 19:25:21,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e02ce33/77561e95042a483a8c53057a8c2b174e/FLAG24709bea9 [2019-12-27 19:25:22,151 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 19:25:22,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-27 19:25:22,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e02ce33/77561e95042a483a8c53057a8c2b174e/FLAG24709bea9 [2019-12-27 19:25:22,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91e02ce33/77561e95042a483a8c53057a8c2b174e [2019-12-27 19:25:22,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 19:25:22,464 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 19:25:22,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 19:25:22,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 19:25:22,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 19:25:22,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:25:22" (1/1) ... [2019-12-27 19:25:22,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d93e309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:22, skipping insertion in model container [2019-12-27 19:25:22,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 07:25:22" (1/1) ... [2019-12-27 19:25:22,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 19:25:22,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 19:25:22,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:25:22,958 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 19:25:23,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 19:25:23,074 INFO L208 MainTranslator]: Completed translation [2019-12-27 19:25:23,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23 WrapperNode [2019-12-27 19:25:23,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 19:25:23,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 19:25:23,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 19:25:23,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 19:25:23,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 19:25:23,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 19:25:23,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 19:25:23,143 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 19:25:23,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (1/1) ... [2019-12-27 19:25:23,184 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 19:25:23,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 19:25:23,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 19:25:23,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 19:25:23,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (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 19:25:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-27 19:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-27 19:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 19:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 19:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 19:25:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 19:25:23,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 19:25:23,245 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 19:25:23,368 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-27 19:25:23,373 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-27 19:25:23,542 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 19:25:23,542 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-27 19:25:23,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:25:23 BoogieIcfgContainer [2019-12-27 19:25:23,544 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 19:25:23,545 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 19:25:23,545 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 19:25:23,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 19:25:23,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 07:25:22" (1/3) ... [2019-12-27 19:25:23,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59605d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:25:23, skipping insertion in model container [2019-12-27 19:25:23,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 07:25:23" (2/3) ... [2019-12-27 19:25:23,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59605d97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 07:25:23, skipping insertion in model container [2019-12-27 19:25:23,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 07:25:23" (3/3) ... [2019-12-27 19:25:23,554 INFO L109 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2019-12-27 19:25:23,568 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 19:25:23,568 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 19:25:23,573 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 19:25:23,574 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 19:25:23,598 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,598 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,598 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,599 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,599 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,600 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,604 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,604 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,605 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,605 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:23,622 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 19:25:23,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:25:23,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:25:23,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:25:23,639 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:25:23,639 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:25:23,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:25:23,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:25:23,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:25:23,650 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 29 transitions [2019-12-27 19:25:23,652 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-27 19:25:23,683 INFO L132 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-27 19:25:23,683 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 19:25:23,691 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs. 0/31 useless extension candidates. Maximal degree in co-relation 19. Up to 4 conditions per place. [2019-12-27 19:25:23,694 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-27 19:25:23,708 INFO L132 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-27 19:25:23,708 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 19:25:23,710 INFO L76 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 37 events. 3/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs. 0/31 useless extension candidates. Maximal degree in co-relation 19. Up to 4 conditions per place. [2019-12-27 19:25:23,711 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 200 [2019-12-27 19:25:23,712 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:25:24,263 INFO L206 etLargeBlockEncoding]: Checked pairs total: 144 [2019-12-27 19:25:24,263 INFO L214 etLargeBlockEncoding]: Total number of compositions: 26 [2019-12-27 19:25:24,267 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 8 transitions [2019-12-27 19:25:24,275 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-27 19:25:24,278 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-27 19:25:24,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-27 19:25:24,284 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:24,285 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-27 19:25:24,285 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 19:25:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:24,292 INFO L82 PathProgramCache]: Analyzing trace with hash 4226274, now seen corresponding path program 1 times [2019-12-27 19:25:24,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:24,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75054203] [2019-12-27 19:25:24,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:25:24,433 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 19:25:24,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75054203] [2019-12-27 19:25:24,434 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:25:24,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 19:25:24,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2095691374] [2019-12-27 19:25:24,436 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:25:24,441 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:25:24,451 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 5 states and 4 transitions. [2019-12-27 19:25:24,451 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:25:24,455 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:25:24,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-27 19:25:24,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:25:24,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-27 19:25:24,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 19:25:24,473 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-12-27 19:25:24,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:25:24,477 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-27 19:25:24,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-27 19:25:24,479 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-12-27 19:25:24,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:25:24,485 INFO L225 Difference]: With dead ends: 11 [2019-12-27 19:25:24,485 INFO L226 Difference]: Without dead ends: 11 [2019-12-27 19:25:24,486 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-27 19:25:24,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-27 19:25:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-27 19:25:24,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-27 19:25:24,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-27 19:25:24,514 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-27 19:25:24,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:25:24,515 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-27 19:25:24,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-27 19:25:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-27 19:25:24,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-27 19:25:24,516 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:24,516 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-27 19:25:24,516 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-27 19:25:24,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:24,517 INFO L82 PathProgramCache]: Analyzing trace with hash -233566167, now seen corresponding path program 1 times [2019-12-27 19:25:24,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:24,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230624013] [2019-12-27 19:25:24,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:24,576 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:25:24,576 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:25:24,578 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 19:25:24,578 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-27 19:25:24,584 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,584 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,585 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,585 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,585 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,586 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,586 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,586 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,586 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,587 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,587 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,588 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,588 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,588 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,588 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,590 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,591 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,591 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,591 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:24,599 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-27 19:25:24,600 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:25:24,600 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:25:24,600 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:25:24,600 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:25:24,600 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:25:24,600 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:25:24,601 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:25:24,601 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:25:24,603 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 40 transitions [2019-12-27 19:25:24,603 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-27 19:25:24,632 INFO L132 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-27 19:25:24,632 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 19:25:24,637 INFO L76 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 57 events. 5/57 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs. 0/47 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-27 19:25:24,642 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-27 19:25:24,668 INFO L132 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-27 19:25:24,668 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-27 19:25:24,670 INFO L76 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 57 events. 5/57 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 123 event pairs. 0/47 useless extension candidates. Maximal degree in co-relation 38. Up to 6 conditions per place. [2019-12-27 19:25:24,674 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 620 [2019-12-27 19:25:24,674 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:25:25,011 INFO L206 etLargeBlockEncoding]: Checked pairs total: 1633 [2019-12-27 19:25:25,011 INFO L214 etLargeBlockEncoding]: Total number of compositions: 20 [2019-12-27 19:25:25,012 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 22 transitions [2019-12-27 19:25:25,048 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 355 states. [2019-12-27 19:25:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states. [2019-12-27 19:25:25,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 19:25:25,049 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:25,049 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:25:25,050 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:25:25,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:25,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1591797249, now seen corresponding path program 1 times [2019-12-27 19:25:25,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:25,051 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701806051] [2019-12-27 19:25:25,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:25:25,148 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 19:25:25,148 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701806051] [2019-12-27 19:25:25,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:25:25,149 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:25:25,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1026987879] [2019-12-27 19:25:25,149 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:25:25,150 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:25:25,151 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 19:25:25,151 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:25:25,152 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:25:25,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:25:25,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:25:25,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:25:25,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:25,153 INFO L87 Difference]: Start difference. First operand 355 states. Second operand 3 states. [2019-12-27 19:25:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:25:25,196 INFO L93 Difference]: Finished difference Result 272 states and 612 transitions. [2019-12-27 19:25:25,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:25:25,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 19:25:25,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:25:25,204 INFO L225 Difference]: With dead ends: 272 [2019-12-27 19:25:25,204 INFO L226 Difference]: Without dead ends: 272 [2019-12-27 19:25:25,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:25,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2019-12-27 19:25:25,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 252. [2019-12-27 19:25:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2019-12-27 19:25:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 565 transitions. [2019-12-27 19:25:25,241 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 565 transitions. Word has length 7 [2019-12-27 19:25:25,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:25:25,241 INFO L462 AbstractCegarLoop]: Abstraction has 252 states and 565 transitions. [2019-12-27 19:25:25,241 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:25:25,241 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 565 transitions. [2019-12-27 19:25:25,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-27 19:25:25,242 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:25,242 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-27 19:25:25,243 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:25:25,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:25,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1516626265, now seen corresponding path program 1 times [2019-12-27 19:25:25,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:25,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332967164] [2019-12-27 19:25:25,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:25,274 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:25:25,274 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:25:25,274 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 19:25:25,275 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-27 19:25:25,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,281 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,281 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,281 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,282 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,282 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,282 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,283 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,283 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,283 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,284 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,284 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,284 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,285 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,285 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,286 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,286 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,288 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,288 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,288 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,291 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,292 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,292 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,292 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:25,294 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 19:25:25,295 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:25:25,295 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:25:25,295 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:25:25,295 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:25:25,295 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:25:25,296 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:25:25,296 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:25:25,296 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:25:25,298 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 51 transitions [2019-12-27 19:25:25,299 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-27 19:25:25,337 INFO L132 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-27 19:25:25,337 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 19:25:25,341 INFO L76 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 77 events. 7/77 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs. 0/63 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-27 19:25:25,350 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-27 19:25:25,366 INFO L132 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-27 19:25:25,367 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-27 19:25:25,368 INFO L76 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 77 events. 7/77 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 195 event pairs. 0/63 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-27 19:25:25,371 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2019-12-27 19:25:25,372 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:25:25,739 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4682 [2019-12-27 19:25:25,739 INFO L214 etLargeBlockEncoding]: Total number of compositions: 23 [2019-12-27 19:25:25,739 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 32 transitions [2019-12-27 19:25:25,898 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3127 states. [2019-12-27 19:25:25,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states. [2019-12-27 19:25:25,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 19:25:25,900 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:25,900 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:25:25,900 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:25:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:25,901 INFO L82 PathProgramCache]: Analyzing trace with hash 451810027, now seen corresponding path program 1 times [2019-12-27 19:25:25,901 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:25,901 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589076930] [2019-12-27 19:25:25,901 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:25:25,935 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 19:25:25,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589076930] [2019-12-27 19:25:25,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:25:25,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:25:25,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [26363771] [2019-12-27 19:25:25,936 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:25:25,936 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:25:25,937 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 19:25:25,937 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:25:25,938 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:25:25,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:25:25,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:25:25,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:25:25,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:25,939 INFO L87 Difference]: Start difference. First operand 3127 states. Second operand 3 states. [2019-12-27 19:25:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:25:26,017 INFO L93 Difference]: Finished difference Result 2842 states and 8458 transitions. [2019-12-27 19:25:26,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:25:26,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 19:25:26,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:25:26,045 INFO L225 Difference]: With dead ends: 2842 [2019-12-27 19:25:26,046 INFO L226 Difference]: Without dead ends: 2842 [2019-12-27 19:25:26,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:26,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2842 states. [2019-12-27 19:25:26,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2842 to 2479. [2019-12-27 19:25:26,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2019-12-27 19:25:26,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 7382 transitions. [2019-12-27 19:25:26,178 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 7382 transitions. Word has length 7 [2019-12-27 19:25:26,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:25:26,179 INFO L462 AbstractCegarLoop]: Abstraction has 2479 states and 7382 transitions. [2019-12-27 19:25:26,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:25:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 7382 transitions. [2019-12-27 19:25:26,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 19:25:26,180 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:26,181 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-27 19:25:26,181 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:25:26,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:26,181 INFO L82 PathProgramCache]: Analyzing trace with hash 566632274, now seen corresponding path program 1 times [2019-12-27 19:25:26,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:26,182 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714141802] [2019-12-27 19:25:26,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:26,215 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:25:26,216 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:25:26,216 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 19:25:26,216 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-27 19:25:26,223 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,224 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,224 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,225 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,225 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,226 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,226 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,227 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,227 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,228 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,228 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,229 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,229 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,230 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,230 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,232 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,232 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,233 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,236 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,236 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,238 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,239 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:26,240 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 19:25:26,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:25:26,241 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:25:26,241 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:25:26,241 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:25:26,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:25:26,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:25:26,242 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:25:26,242 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:25:26,243 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 62 transitions [2019-12-27 19:25:26,244 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-27 19:25:26,261 INFO L132 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-27 19:25:26,261 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 19:25:26,263 INFO L76 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 97 events. 9/97 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 227 event pairs. 0/79 useless extension candidates. Maximal degree in co-relation 86. Up to 10 conditions per place. [2019-12-27 19:25:26,268 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-27 19:25:26,297 INFO L132 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-27 19:25:26,297 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-27 19:25:26,299 INFO L76 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 97 events. 9/97 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 227 event pairs. 0/79 useless extension candidates. Maximal degree in co-relation 86. Up to 10 conditions per place. [2019-12-27 19:25:26,302 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2120 [2019-12-27 19:25:26,303 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:25:26,668 INFO L206 etLargeBlockEncoding]: Checked pairs total: 7962 [2019-12-27 19:25:26,668 INFO L214 etLargeBlockEncoding]: Total number of compositions: 27 [2019-12-27 19:25:26,669 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 41 places, 39 transitions [2019-12-27 19:25:28,755 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21893 states. [2019-12-27 19:25:28,755 INFO L276 IsEmpty]: Start isEmpty. Operand 21893 states. [2019-12-27 19:25:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 19:25:28,756 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:28,756 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:25:28,756 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 19:25:28,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:28,757 INFO L82 PathProgramCache]: Analyzing trace with hash 788957760, now seen corresponding path program 1 times [2019-12-27 19:25:28,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:28,757 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530050151] [2019-12-27 19:25:28,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:25:28,798 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 19:25:28,798 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530050151] [2019-12-27 19:25:28,799 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:25:28,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:25:28,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1989122494] [2019-12-27 19:25:28,799 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:25:28,800 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:25:28,800 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 19:25:28,801 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:25:28,801 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:25:28,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:25:28,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:25:28,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:25:28,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:28,802 INFO L87 Difference]: Start difference. First operand 21893 states. Second operand 3 states. [2019-12-27 19:25:29,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:25:29,274 INFO L93 Difference]: Finished difference Result 22773 states and 85150 transitions. [2019-12-27 19:25:29,274 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:25:29,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 19:25:29,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:25:29,443 INFO L225 Difference]: With dead ends: 22773 [2019-12-27 19:25:29,443 INFO L226 Difference]: Without dead ends: 22773 [2019-12-27 19:25:29,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:30,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22773 states. [2019-12-27 19:25:31,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22773 to 19259. [2019-12-27 19:25:31,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19259 states. [2019-12-27 19:25:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19259 states to 19259 states and 72627 transitions. [2019-12-27 19:25:31,308 INFO L78 Accepts]: Start accepts. Automaton has 19259 states and 72627 transitions. Word has length 7 [2019-12-27 19:25:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:25:31,308 INFO L462 AbstractCegarLoop]: Abstraction has 19259 states and 72627 transitions. [2019-12-27 19:25:31,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:25:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 19259 states and 72627 transitions. [2019-12-27 19:25:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 19:25:31,310 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:31,310 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:25:31,310 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 19:25:31,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:31,311 INFO L82 PathProgramCache]: Analyzing trace with hash -960502913, now seen corresponding path program 1 times [2019-12-27 19:25:31,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:31,311 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252391179] [2019-12-27 19:25:31,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:25:31,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:25:31,368 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252391179] [2019-12-27 19:25:31,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:25:31,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:25:31,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [122331331] [2019-12-27 19:25:31,371 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:25:31,372 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:25:31,375 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 26 states and 36 transitions. [2019-12-27 19:25:31,376 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:25:31,379 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 19:25:31,379 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:25:31,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:25:31,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:25:31,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:25:31,380 INFO L87 Difference]: Start difference. First operand 19259 states and 72627 transitions. Second operand 3 states. [2019-12-27 19:25:31,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:25:31,417 INFO L93 Difference]: Finished difference Result 1431 states and 3371 transitions. [2019-12-27 19:25:31,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:25:31,417 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 19:25:31,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:25:31,421 INFO L225 Difference]: With dead ends: 1431 [2019-12-27 19:25:31,422 INFO L226 Difference]: Without dead ends: 1431 [2019-12-27 19:25:31,423 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 19:25:31,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2019-12-27 19:25:31,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1431. [2019-12-27 19:25:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2019-12-27 19:25:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 3371 transitions. [2019-12-27 19:25:31,457 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 3371 transitions. Word has length 12 [2019-12-27 19:25:31,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:25:31,458 INFO L462 AbstractCegarLoop]: Abstraction has 1431 states and 3371 transitions. [2019-12-27 19:25:31,458 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:25:31,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 3371 transitions. [2019-12-27 19:25:31,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-27 19:25:31,459 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:25:31,459 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-27 19:25:31,460 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 19:25:31,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:25:31,460 INFO L82 PathProgramCache]: Analyzing trace with hash -293050852, now seen corresponding path program 1 times [2019-12-27 19:25:31,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:25:31,461 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966657344] [2019-12-27 19:25:31,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:25:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:25:31,498 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:25:31,499 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:25:31,499 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 19:25:31,499 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-27 19:25:31,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,510 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,510 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,511 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,514 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,515 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,515 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,515 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,516 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,518 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,519 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,520 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,520 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,520 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,521 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,522 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,525 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,526 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,526 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,527 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,527 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,528 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,528 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,530 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,530 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,531 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,531 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,533 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,533 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,533 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,533 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,535 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,535 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,535 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:25:31,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-27 19:25:31,538 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:25:31,539 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:25:31,539 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:25:31,539 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:25:31,539 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:25:31,539 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:25:31,539 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:25:31,540 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:25:31,541 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 73 transitions [2019-12-27 19:25:31,541 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-27 19:25:31,570 INFO L132 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-27 19:25:31,570 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 19:25:31,574 INFO L76 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 117 events. 11/117 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 293 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-27 19:25:31,581 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-27 19:25:31,598 INFO L132 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-27 19:25:31,598 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-27 19:25:31,600 INFO L76 FinitePrefix]: Finished finitePrefix Result has 148 conditions, 117 events. 11/117 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 293 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-27 19:25:31,606 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3200 [2019-12-27 19:25:31,607 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:25:31,962 INFO L206 etLargeBlockEncoding]: Checked pairs total: 10349 [2019-12-27 19:25:31,962 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2019-12-27 19:25:31,962 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 46 transitions [2019-12-27 19:26:33,671 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 156839 states. [2019-12-27 19:26:33,671 INFO L276 IsEmpty]: Start isEmpty. Operand 156839 states. [2019-12-27 19:26:33,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-27 19:26:33,672 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:26:33,672 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:26:33,672 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:26:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:26:33,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1867680734, now seen corresponding path program 1 times [2019-12-27 19:26:33,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:26:33,673 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064517060] [2019-12-27 19:26:33,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:26:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:26:33,702 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 19:26:33,704 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064517060] [2019-12-27 19:26:33,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:26:33,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 19:26:33,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [197723732] [2019-12-27 19:26:33,705 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:26:33,706 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:26:33,706 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 8 states and 7 transitions. [2019-12-27 19:26:33,707 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:26:33,707 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 19:26:33,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:26:33,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:26:33,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:26:33,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:26:33,708 INFO L87 Difference]: Start difference. First operand 156839 states. Second operand 3 states. [2019-12-27 19:26:38,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:26:38,952 INFO L93 Difference]: Finished difference Result 178219 states and 802942 transitions. [2019-12-27 19:26:38,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:26:38,953 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-27 19:26:38,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:26:39,615 INFO L225 Difference]: With dead ends: 178219 [2019-12-27 19:26:39,615 INFO L226 Difference]: Without dead ends: 178219 [2019-12-27 19:26:39,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:26:43,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178219 states. [2019-12-27 19:26:50,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178219 to 149404. [2019-12-27 19:26:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149404 states. [2019-12-27 19:26:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149404 states to 149404 states and 682448 transitions. [2019-12-27 19:26:51,537 INFO L78 Accepts]: Start accepts. Automaton has 149404 states and 682448 transitions. Word has length 7 [2019-12-27 19:26:51,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:26:51,538 INFO L462 AbstractCegarLoop]: Abstraction has 149404 states and 682448 transitions. [2019-12-27 19:26:51,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:26:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 149404 states and 682448 transitions. [2019-12-27 19:26:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 19:26:51,539 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:26:51,539 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:26:51,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:26:51,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:26:51,539 INFO L82 PathProgramCache]: Analyzing trace with hash -812101254, now seen corresponding path program 1 times [2019-12-27 19:26:51,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:26:51,540 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634837760] [2019-12-27 19:26:51,540 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:26:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 19:26:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 19:26:51,562 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634837760] [2019-12-27 19:26:51,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 19:26:51,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 19:26:51,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1757417046] [2019-12-27 19:26:51,563 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 19:26:51,565 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 19:26:51,567 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 26 states and 36 transitions. [2019-12-27 19:26:51,567 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 19:26:51,568 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 19:26:51,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 19:26:51,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 19:26:51,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 19:26:51,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 19:26:51,569 INFO L87 Difference]: Start difference. First operand 149404 states and 682448 transitions. Second operand 3 states. [2019-12-27 19:26:51,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 19:26:51,612 INFO L93 Difference]: Finished difference Result 3939 states and 9727 transitions. [2019-12-27 19:26:51,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 19:26:51,612 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 19:26:51,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 19:26:51,622 INFO L225 Difference]: With dead ends: 3939 [2019-12-27 19:26:51,622 INFO L226 Difference]: Without dead ends: 3939 [2019-12-27 19:26:51,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 19:26:51,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2019-12-27 19:26:51,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3939. [2019-12-27 19:26:51,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3939 states. [2019-12-27 19:26:51,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 9727 transitions. [2019-12-27 19:26:51,703 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 9727 transitions. Word has length 12 [2019-12-27 19:26:51,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 19:26:51,703 INFO L462 AbstractCegarLoop]: Abstraction has 3939 states and 9727 transitions. [2019-12-27 19:26:51,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 19:26:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 9727 transitions. [2019-12-27 19:26:51,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 19:26:51,705 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 19:26:51,705 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 19:26:51,705 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 19:26:51,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 19:26:51,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1754824207, now seen corresponding path program 1 times [2019-12-27 19:26:51,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 19:26:51,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470501383] [2019-12-27 19:26:51,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 19:26:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:26:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-27 19:26:51,763 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-27 19:26:51,763 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-27 19:26:51,764 WARN L364 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-27 19:26:51,764 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2019-12-27 19:26:51,778 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,779 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,779 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,780 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,781 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,781 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,782 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,782 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,782 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,783 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,784 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,785 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,786 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,786 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,787 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,789 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,790 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,790 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,794 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,794 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,795 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,795 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,796 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,796 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,797 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,798 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,798 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,799 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,799 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,801 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,801 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,801 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,802 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,803 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,803 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,803 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,804 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 19:26:51,805 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-27 19:26:51,805 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 19:26:51,806 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 19:26:51,806 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 19:26:51,806 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 19:26:51,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 19:26:51,806 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 19:26:51,806 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 19:26:51,806 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 19:26:51,807 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 84 transitions [2019-12-27 19:26:51,807 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-27 19:26:51,826 INFO L132 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-27 19:26:51,827 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 19:26:51,830 INFO L76 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 137 events. 13/137 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 347 event pairs. 0/111 useless extension candidates. Maximal degree in co-relation 141. Up to 14 conditions per place. [2019-12-27 19:26:51,838 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-27 19:26:51,858 INFO L132 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-27 19:26:51,858 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-27 19:26:51,861 INFO L76 FinitePrefix]: Finished finitePrefix Result has 177 conditions, 137 events. 13/137 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 347 event pairs. 0/111 useless extension candidates. Maximal degree in co-relation 141. Up to 14 conditions per place. [2019-12-27 19:26:51,869 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4500 [2019-12-27 19:26:51,869 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 19:26:52,278 INFO L206 etLargeBlockEncoding]: Checked pairs total: 14422 [2019-12-27 19:26:52,278 INFO L214 etLargeBlockEncoding]: Total number of compositions: 35 [2019-12-27 19:26:52,279 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 53 transitions Received shutdown request... [2019-12-27 19:29:46,591 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-27 19:29:46,594 WARN L227 ceAbstractionStarter]: Timeout [2019-12-27 19:29:46,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 07:29:46 BasicIcfg [2019-12-27 19:29:46,594 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 19:29:46,597 INFO L168 Benchmark]: Toolchain (without parser) took 264132.29 ms. Allocated memory was 145.2 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 100.3 MB in the beginning and 840.9 MB in the end (delta: -740.6 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,598 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.60 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 162.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.96 ms. Allocated memory is still 202.9 MB. Free memory was 162.8 MB in the beginning and 160.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,600 INFO L168 Benchmark]: Boogie Preprocessor took 41.02 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,601 INFO L168 Benchmark]: RCFGBuilder took 357.29 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 143.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,602 INFO L168 Benchmark]: TraceAbstraction took 263049.10 ms. Allocated memory was 202.9 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 143.0 MB in the beginning and 840.9 MB in the end (delta: -698.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. [2019-12-27 19:29:46,606 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.60 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 99.8 MB in the beginning and 162.8 MB in the end (delta: -63.0 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.96 ms. Allocated memory is still 202.9 MB. Free memory was 162.8 MB in the beginning and 160.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.02 ms. Allocated memory is still 202.9 MB. Free memory was 160.9 MB in the beginning and 158.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 357.29 ms. Allocated memory is still 202.9 MB. Free memory was 158.9 MB in the beginning and 143.6 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 263049.10 ms. Allocated memory was 202.9 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 143.0 MB in the beginning and 840.9 MB in the end (delta: -698.0 MB). Peak memory consumption was 3.5 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.6s, 30 ProgramPointsBefore, 9 ProgramPointsAfterwards, 29 TransitionsBefore, 8 TransitionsAfterwards, 200 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 94 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 144 CheckedPairsTotal, 26 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 42 ProgramPointsBefore, 23 ProgramPointsAfterwards, 40 TransitionsBefore, 22 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 10 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 262 VarBasedMoverChecksPositive, 15 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 1633 CheckedPairsTotal, 20 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 54 ProgramPointsBefore, 33 ProgramPointsAfterwards, 51 TransitionsBefore, 32 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 12 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 521 VarBasedMoverChecksPositive, 32 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 4682 CheckedPairsTotal, 23 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 66 ProgramPointsBefore, 41 ProgramPointsAfterwards, 62 TransitionsBefore, 39 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 5 FixpointIterations, 7 TrivialSequentialCompositions, 16 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 3 ChoiceCompositions, 749 VarBasedMoverChecksPositive, 48 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 7962 CheckedPairsTotal, 27 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 78 ProgramPointsBefore, 49 ProgramPointsAfterwards, 73 TransitionsBefore, 46 TransitionsAfterwards, 3200 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 4 ChoiceCompositions, 1162 VarBasedMoverChecksPositive, 41 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 10349 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.4s, 90 ProgramPointsBefore, 57 ProgramPointsAfterwards, 84 TransitionsBefore, 53 TransitionsAfterwards, 4500 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 5 ChoiceCompositions, 1484 VarBasedMoverChecksPositive, 50 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 14422 CheckedPairsTotal, 35 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 689]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 689). Cancelled while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 57 places, 53 transitions. Already constructed 298546 states. Currently 67290 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Result: TIMEOUT, OverallTime: 174.7s, 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