/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-26 20:55:47,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-26 20:55:47,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-26 20:55:48,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-26 20:55:48,010 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-26 20:55:48,012 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-26 20:55:48,014 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-26 20:55:48,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-26 20:55:48,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-26 20:55:48,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-26 20:55:48,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-26 20:55:48,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-26 20:55:48,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-26 20:55:48,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-26 20:55:48,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-26 20:55:48,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-26 20:55:48,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-26 20:55:48,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-26 20:55:48,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-26 20:55:48,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-26 20:55:48,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-26 20:55:48,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-26 20:55:48,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-26 20:55:48,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-26 20:55:48,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-26 20:55:48,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-26 20:55:48,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-26 20:55:48,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-26 20:55:48,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-26 20:55:48,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-26 20:55:48,069 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-26 20:55:48,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-26 20:55:48,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-26 20:55:48,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-26 20:55:48,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-26 20:55:48,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-26 20:55:48,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-26 20:55:48,093 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-26 20:55:48,093 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-26 20:55:48,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-26 20:55:48,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-26 20:55:48,095 INFO L138 SettingsManager]: * Use SBE=true [2019-12-26 20:55:48,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-26 20:55:48,097 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-26 20:55:48,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-26 20:55:48,098 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-26 20:55:48,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-26 20:55:48,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-26 20:55:48,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-26 20:55:48,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-26 20:55:48,100 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-26 20:55:48,100 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-26 20:55:48,100 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-26 20:55:48,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-26 20:55:48,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-26 20:55:48,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-26 20:55:48,101 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-26 20:55:48,101 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-26 20:55:48,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-26 20:55:48,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-26 20:55:48,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-26 20:55:48,102 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-26 20:55:48,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-26 20:55:48,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-26 20:55:48,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-26 20:55:48,103 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-26 20:55:48,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-26 20:55:48,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-26 20:55:48,395 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-26 20:55:48,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-26 20:55:48,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-26 20:55:48,405 INFO L275 PluginConnector]: CDTParser initialized [2019-12-26 20:55:48,405 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-26 20:55:48,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a89fc1bc/f3554df8b0b84e2187175d138eb04a00/FLAG686fc70ca [2019-12-26 20:55:49,037 INFO L306 CDTParser]: Found 1 translation units. [2019-12-26 20:55:49,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/14_spin2003.i [2019-12-26 20:55:49,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a89fc1bc/f3554df8b0b84e2187175d138eb04a00/FLAG686fc70ca [2019-12-26 20:55:49,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a89fc1bc/f3554df8b0b84e2187175d138eb04a00 [2019-12-26 20:55:49,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-26 20:55:49,348 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-26 20:55:49,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-26 20:55:49,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-26 20:55:49,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-26 20:55:49,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 08:55:49" (1/1) ... [2019-12-26 20:55:49,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc25d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:49, skipping insertion in model container [2019-12-26 20:55:49,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 08:55:49" (1/1) ... [2019-12-26 20:55:49,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-26 20:55:49,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-26 20:55:49,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 20:55:49,939 INFO L203 MainTranslator]: Completed pre-run [2019-12-26 20:55:50,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 20:55:50,098 INFO L208 MainTranslator]: Completed translation [2019-12-26 20:55:50,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50 WrapperNode [2019-12-26 20:55:50,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-26 20:55:50,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-26 20:55:50,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-26 20:55:50,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-26 20:55:50,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,126 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-26 20:55:50,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-26 20:55:50,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-26 20:55:50,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-26 20:55:50,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,154 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (1/1) ... [2019-12-26 20:55:50,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-26 20:55:50,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-26 20:55:50,169 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-26 20:55:50,169 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-26 20:55:50,170 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (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 [2019-12-26 20:55:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-12-26 20:55:50,234 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-12-26 20:55:50,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-26 20:55:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-26 20:55:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-26 20:55:50,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-26 20:55:50,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-26 20:55:50,237 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-26 20:55:50,356 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_acquire_returnLabel [2019-12-26 20:55:50,361 INFO L1525 $ProcedureCfgBuilder]: dropping label inside atomic statement: __VERIFIER_atomic_release_returnLabel [2019-12-26 20:55:50,508 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-26 20:55:50,509 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-26 20:55:50,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 08:55:50 BoogieIcfgContainer [2019-12-26 20:55:50,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-26 20:55:50,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-26 20:55:50,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-26 20:55:50,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-26 20:55:50,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 08:55:49" (1/3) ... [2019-12-26 20:55:50,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c5f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 08:55:50, skipping insertion in model container [2019-12-26 20:55:50,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 08:55:50" (2/3) ... [2019-12-26 20:55:50,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f2c5f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 08:55:50, skipping insertion in model container [2019-12-26 20:55:50,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 08:55:50" (3/3) ... [2019-12-26 20:55:50,521 INFO L109 eAbstractionObserver]: Analyzing ICFG 14_spin2003.i [2019-12-26 20:55:50,534 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-26 20:55:50,535 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-26 20:55:50,542 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-26 20:55:50,542 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-26 20:55:50,565 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,565 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,565 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,566 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,567 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,567 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,571 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,572 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,572 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,573 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:50,592 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-26 20:55:50,613 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:55:50,613 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:55:50,614 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:55:50,614 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:55:50,614 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:55:50,614 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:55:50,615 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:55:50,615 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:55:50,632 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 29 transitions [2019-12-26 20:55:50,635 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-26 20:55:50,677 INFO L132 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-26 20:55:50,678 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 20:55:50,683 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. [2019-12-26 20:55:50,685 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 30 places, 29 transitions [2019-12-26 20:55:50,697 INFO L132 PetriNetUnfolder]: 3/37 cut-off events. [2019-12-26 20:55:50,697 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 20:55:50,698 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. [2019-12-26 20:55:50,700 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 200 [2019-12-26 20:55:50,701 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:55:51,240 INFO L206 etLargeBlockEncoding]: Checked pairs total: 144 [2019-12-26 20:55:51,241 INFO L214 etLargeBlockEncoding]: Total number of compositions: 26 [2019-12-26 20:55:51,245 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 9 places, 8 transitions [2019-12-26 20:55:51,253 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-26 20:55:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-26 20:55:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-26 20:55:51,261 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:51,262 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-26 20:55:51,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-26 20:55:51,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:51,269 INFO L82 PathProgramCache]: Analyzing trace with hash 4226274, now seen corresponding path program 1 times [2019-12-26 20:55:51,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:51,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556187587] [2019-12-26 20:55:51,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:55:51,412 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556187587] [2019-12-26 20:55:51,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:51,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 20:55:51,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581192492] [2019-12-26 20:55:51,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-26 20:55:51,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:51,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-26 20:55:51,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-26 20:55:51,436 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-12-26 20:55:51,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:51,449 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2019-12-26 20:55:51,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-26 20:55:51,451 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 4 [2019-12-26 20:55:51,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:51,460 INFO L225 Difference]: With dead ends: 11 [2019-12-26 20:55:51,460 INFO L226 Difference]: Without dead ends: 11 [2019-12-26 20:55:51,462 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 [2019-12-26 20:55:51,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2019-12-26 20:55:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2019-12-26 20:55:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-12-26 20:55:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2019-12-26 20:55:51,488 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 4 [2019-12-26 20:55:51,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:51,489 INFO L462 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2019-12-26 20:55:51,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-26 20:55:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2019-12-26 20:55:51,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-26 20:55:51,490 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:51,490 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2019-12-26 20:55:51,490 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-26 20:55:51,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:51,491 INFO L82 PathProgramCache]: Analyzing trace with hash -233566167, now seen corresponding path program 1 times [2019-12-26 20:55:51,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:51,491 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211739573] [2019-12-26 20:55:51,491 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:51,549 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 20:55:51,549 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 20:55:51,551 WARN L364 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-26 20:55:51,551 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2019-12-26 20:55:51,557 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,557 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,557 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,558 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,558 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,559 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,559 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,560 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,561 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,561 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,561 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,563 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,563 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,564 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,564 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:51,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-12-26 20:55:51,568 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:55:51,568 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:55:51,568 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:55:51,568 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:55:51,568 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:55:51,568 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:55:51,568 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:55:51,569 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:55:51,571 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 40 transitions [2019-12-26 20:55:51,571 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-26 20:55:51,587 INFO L132 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-26 20:55:51,587 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-26 20:55:51,589 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. [2019-12-26 20:55:51,592 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 42 places, 40 transitions [2019-12-26 20:55:51,605 INFO L132 PetriNetUnfolder]: 5/57 cut-off events. [2019-12-26 20:55:51,606 INFO L133 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2019-12-26 20:55:51,610 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. [2019-12-26 20:55:51,614 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 620 [2019-12-26 20:55:51,614 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:55:52,145 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2048 [2019-12-26 20:55:52,145 INFO L214 etLargeBlockEncoding]: Total number of compositions: 24 [2019-12-26 20:55:52,145 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 21 transitions [2019-12-26 20:55:52,162 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 316 states. [2019-12-26 20:55:52,162 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states. [2019-12-26 20:55:52,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 20:55:52,163 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:52,163 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:52,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 20:55:52,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:52,164 INFO L82 PathProgramCache]: Analyzing trace with hash 183210113, now seen corresponding path program 1 times [2019-12-26 20:55:52,165 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:52,165 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310864332] [2019-12-26 20:55:52,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:55:52,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310864332] [2019-12-26 20:55:52,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:52,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 20:55:52,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462336927] [2019-12-26 20:55:52,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:55:52,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:52,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:55:52,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:52,225 INFO L87 Difference]: Start difference. First operand 316 states. Second operand 3 states. [2019-12-26 20:55:52,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:52,267 INFO L93 Difference]: Finished difference Result 256 states and 584 transitions. [2019-12-26 20:55:52,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:55:52,267 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 20:55:52,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:52,275 INFO L225 Difference]: With dead ends: 256 [2019-12-26 20:55:52,275 INFO L226 Difference]: Without dead ends: 256 [2019-12-26 20:55:52,276 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 [2019-12-26 20:55:52,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2019-12-26 20:55:52,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 236. [2019-12-26 20:55:52,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2019-12-26 20:55:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 537 transitions. [2019-12-26 20:55:52,311 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 537 transitions. Word has length 7 [2019-12-26 20:55:52,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:52,311 INFO L462 AbstractCegarLoop]: Abstraction has 236 states and 537 transitions. [2019-12-26 20:55:52,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:55:52,311 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 537 transitions. [2019-12-26 20:55:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-26 20:55:52,312 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:52,313 INFO L411 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2019-12-26 20:55:52,313 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 20:55:52,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash -836567895, now seen corresponding path program 1 times [2019-12-26 20:55:52,314 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:52,314 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332967164] [2019-12-26 20:55:52,314 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:52,354 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 20:55:52,354 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 20:55:52,354 WARN L364 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-26 20:55:52,354 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2019-12-26 20:55:52,366 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,366 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,367 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,367 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,367 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,368 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,368 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,369 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,370 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,370 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,371 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,371 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,371 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,371 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,372 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,372 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,372 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,373 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,373 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,373 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,375 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,375 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,375 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,375 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,377 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,377 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,378 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,378 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:52,379 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-26 20:55:52,380 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:55:52,380 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:55:52,380 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:55:52,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:55:52,380 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:55:52,381 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:55:52,381 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:55:52,381 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:55:52,383 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 51 transitions [2019-12-26 20:55:52,383 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-26 20:55:52,402 INFO L132 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-26 20:55:52,403 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-26 20:55:52,405 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 187 event pairs. 0/63 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-26 20:55:52,409 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 54 places, 51 transitions [2019-12-26 20:55:52,449 INFO L132 PetriNetUnfolder]: 7/77 cut-off events. [2019-12-26 20:55:52,449 INFO L133 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2019-12-26 20:55:52,450 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 187 event pairs. 0/63 useless extension candidates. Maximal degree in co-relation 61. Up to 8 conditions per place. [2019-12-26 20:55:52,455 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2019-12-26 20:55:52,456 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:55:53,115 INFO L206 etLargeBlockEncoding]: Checked pairs total: 4852 [2019-12-26 20:55:53,115 INFO L214 etLargeBlockEncoding]: Total number of compositions: 31 [2019-12-26 20:55:53,115 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 31 places, 30 transitions [2019-12-26 20:55:53,295 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2500 states. [2019-12-26 20:55:53,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states. [2019-12-26 20:55:53,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 20:55:53,296 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:53,296 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:53,297 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 20:55:53,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:53,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1692748366, now seen corresponding path program 1 times [2019-12-26 20:55:53,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:53,298 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888532848] [2019-12-26 20:55:53,298 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:55:53,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888532848] [2019-12-26 20:55:53,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:53,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 20:55:53,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059934689] [2019-12-26 20:55:53,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:55:53,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:53,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:55:53,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:53,341 INFO L87 Difference]: Start difference. First operand 2500 states. Second operand 3 states. [2019-12-26 20:55:53,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:53,418 INFO L93 Difference]: Finished difference Result 2382 states and 7294 transitions. [2019-12-26 20:55:53,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:55:53,419 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 20:55:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:53,449 INFO L225 Difference]: With dead ends: 2382 [2019-12-26 20:55:53,449 INFO L226 Difference]: Without dead ends: 2382 [2019-12-26 20:55:53,449 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 [2019-12-26 20:55:53,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2019-12-26 20:55:53,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2059. [2019-12-26 20:55:53,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2019-12-26 20:55:53,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 6312 transitions. [2019-12-26 20:55:53,581 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 6312 transitions. Word has length 7 [2019-12-26 20:55:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:53,581 INFO L462 AbstractCegarLoop]: Abstraction has 2059 states and 6312 transitions. [2019-12-26 20:55:53,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:55:53,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 6312 transitions. [2019-12-26 20:55:53,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 20:55:53,585 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:53,585 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:53,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 20:55:53,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:53,586 INFO L82 PathProgramCache]: Analyzing trace with hash -269786627, now seen corresponding path program 1 times [2019-12-26 20:55:53,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:53,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868799012] [2019-12-26 20:55:53,587 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:55:53,686 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868799012] [2019-12-26 20:55:53,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:53,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 20:55:53,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739131711] [2019-12-26 20:55:53,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:55:53,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:53,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:55:53,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:53,688 INFO L87 Difference]: Start difference. First operand 2059 states and 6312 transitions. Second operand 3 states. [2019-12-26 20:55:53,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:53,718 INFO L93 Difference]: Finished difference Result 510 states and 1147 transitions. [2019-12-26 20:55:53,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:55:53,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-26 20:55:53,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:53,724 INFO L225 Difference]: With dead ends: 510 [2019-12-26 20:55:53,724 INFO L226 Difference]: Without dead ends: 510 [2019-12-26 20:55:53,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:53,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-12-26 20:55:53,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-12-26 20:55:53,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-12-26 20:55:53,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 1147 transitions. [2019-12-26 20:55:53,740 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 1147 transitions. Word has length 12 [2019-12-26 20:55:53,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:53,742 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 1147 transitions. [2019-12-26 20:55:53,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:55:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 1147 transitions. [2019-12-26 20:55:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 20:55:53,747 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:53,748 INFO L411 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2019-12-26 20:55:53,748 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 20:55:53,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:53,748 INFO L82 PathProgramCache]: Analyzing trace with hash 988221295, now seen corresponding path program 1 times [2019-12-26 20:55:53,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:53,749 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309080957] [2019-12-26 20:55:53,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:53,809 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 20:55:53,810 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 20:55:53,810 WARN L364 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-26 20:55:53,810 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2019-12-26 20:55:53,820 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,821 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,821 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,822 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,822 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,823 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,823 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,824 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,825 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,825 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,826 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,827 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,828 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,829 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,829 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,829 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,831 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,831 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,832 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:53,833 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-26 20:55:53,833 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:55:53,833 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:55:53,833 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:55:53,834 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:55:53,834 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:55:53,834 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:55:53,834 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:55:53,834 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:55:53,835 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 62 transitions [2019-12-26 20:55:53,836 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-26 20:55:53,852 INFO L132 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-26 20:55:53,852 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-26 20:55:53,854 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. [2019-12-26 20:55:53,858 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 62 transitions [2019-12-26 20:55:53,872 INFO L132 PetriNetUnfolder]: 9/97 cut-off events. [2019-12-26 20:55:53,873 INFO L133 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2019-12-26 20:55:53,874 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. [2019-12-26 20:55:53,879 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 2120 [2019-12-26 20:55:53,879 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:55:54,749 INFO L206 etLargeBlockEncoding]: Checked pairs total: 8985 [2019-12-26 20:55:54,749 INFO L214 etLargeBlockEncoding]: Total number of compositions: 38 [2019-12-26 20:55:54,750 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 39 transitions [2019-12-26 20:55:56,449 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19968 states. [2019-12-26 20:55:56,449 INFO L276 IsEmpty]: Start isEmpty. Operand 19968 states. [2019-12-26 20:55:56,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 20:55:56,450 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:56,450 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:56,450 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-26 20:55:56,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:56,451 INFO L82 PathProgramCache]: Analyzing trace with hash 339964421, now seen corresponding path program 1 times [2019-12-26 20:55:56,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:56,451 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390014084] [2019-12-26 20:55:56,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:55:56,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390014084] [2019-12-26 20:55:56,493 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:56,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 20:55:56,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604954368] [2019-12-26 20:55:56,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:55:56,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:56,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:55:56,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:56,495 INFO L87 Difference]: Start difference. First operand 19968 states. Second operand 3 states. [2019-12-26 20:55:56,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:56,900 INFO L93 Difference]: Finished difference Result 21313 states and 82179 transitions. [2019-12-26 20:55:56,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:55:56,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 20:55:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:57,048 INFO L225 Difference]: With dead ends: 21313 [2019-12-26 20:55:57,048 INFO L226 Difference]: Without dead ends: 21313 [2019-12-26 20:55:57,048 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 [2019-12-26 20:55:58,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21313 states. [2019-12-26 20:55:58,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21313 to 17855. [2019-12-26 20:55:58,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17855 states. [2019-12-26 20:55:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17855 states to 17855 states and 69278 transitions. [2019-12-26 20:55:58,798 INFO L78 Accepts]: Start accepts. Automaton has 17855 states and 69278 transitions. Word has length 7 [2019-12-26 20:55:58,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:58,798 INFO L462 AbstractCegarLoop]: Abstraction has 17855 states and 69278 transitions. [2019-12-26 20:55:58,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:55:58,798 INFO L276 IsEmpty]: Start isEmpty. Operand 17855 states and 69278 transitions. [2019-12-26 20:55:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 20:55:58,799 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:58,799 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:58,800 INFO L410 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-26 20:55:58,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:58,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1208148184, now seen corresponding path program 1 times [2019-12-26 20:55:58,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:58,800 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682208508] [2019-12-26 20:55:58,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:58,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:55:58,825 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-26 20:55:58,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682208508] [2019-12-26 20:55:58,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:55:58,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 20:55:58,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949452698] [2019-12-26 20:55:58,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:55:58,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:55:58,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:55:58,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:58,830 INFO L87 Difference]: Start difference. First operand 17855 states and 69278 transitions. Second operand 3 states. [2019-12-26 20:55:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:55:58,869 INFO L93 Difference]: Finished difference Result 1917 states and 4962 transitions. [2019-12-26 20:55:58,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:55:58,870 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-26 20:55:58,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:55:58,877 INFO L225 Difference]: With dead ends: 1917 [2019-12-26 20:55:58,878 INFO L226 Difference]: Without dead ends: 1917 [2019-12-26 20:55:58,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:55:58,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2019-12-26 20:55:58,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1917. [2019-12-26 20:55:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1917 states. [2019-12-26 20:55:58,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1917 states to 1917 states and 4962 transitions. [2019-12-26 20:55:58,925 INFO L78 Accepts]: Start accepts. Automaton has 1917 states and 4962 transitions. Word has length 12 [2019-12-26 20:55:58,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:55:58,925 INFO L462 AbstractCegarLoop]: Abstraction has 1917 states and 4962 transitions. [2019-12-26 20:55:58,925 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:55:58,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 4962 transitions. [2019-12-26 20:55:58,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-26 20:55:58,927 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:55:58,927 INFO L411 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1] [2019-12-26 20:55:58,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION]=== [2019-12-26 20:55:58,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:55:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1061051232, now seen corresponding path program 1 times [2019-12-26 20:55:58,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:55:58,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316573979] [2019-12-26 20:55:58,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:55:58,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:55:58,953 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 20:55:58,954 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 20:55:58,954 WARN L364 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-26 20:55:58,954 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2019-12-26 20:55:58,961 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,961 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,961 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,961 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,962 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,962 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,962 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,962 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,963 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,963 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,963 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,963 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,963 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,964 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,964 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,964 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,964 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,964 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,965 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,966 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,966 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,966 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,967 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,967 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of5ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,975 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,975 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of5ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:55:58,976 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-26 20:55:58,976 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:55:58,977 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:55:58,977 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:55:58,977 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:55:58,977 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:55:58,977 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:55:58,977 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:55:58,977 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:55:58,978 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 73 transitions [2019-12-26 20:55:58,979 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-26 20:55:58,996 INFO L132 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-26 20:55:58,996 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-26 20:55:58,999 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 294 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-26 20:55:59,005 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 78 places, 73 transitions [2019-12-26 20:55:59,021 INFO L132 PetriNetUnfolder]: 11/117 cut-off events. [2019-12-26 20:55:59,022 INFO L133 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2019-12-26 20:55:59,024 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 294 event pairs. 0/95 useless extension candidates. Maximal degree in co-relation 113. Up to 12 conditions per place. [2019-12-26 20:55:59,030 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 3200 [2019-12-26 20:55:59,030 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:56:00,241 INFO L206 etLargeBlockEncoding]: Checked pairs total: 13863 [2019-12-26 20:56:00,242 INFO L214 etLargeBlockEncoding]: Total number of compositions: 42 [2019-12-26 20:56:00,242 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 46 transitions [2019-12-26 20:56:57,242 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 139808 states. [2019-12-26 20:56:57,243 INFO L276 IsEmpty]: Start isEmpty. Operand 139808 states. [2019-12-26 20:56:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-26 20:56:57,243 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:56:57,243 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:56:57,243 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]=== [2019-12-26 20:56:57,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:56:57,244 INFO L82 PathProgramCache]: Analyzing trace with hash 97123028, now seen corresponding path program 1 times [2019-12-26 20:56:57,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:56:57,244 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459159491] [2019-12-26 20:56:57,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:56:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:56:57,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:56:57,264 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459159491] [2019-12-26 20:56:57,264 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:56:57,264 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 20:56:57,265 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419570508] [2019-12-26 20:56:57,265 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:56:57,265 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:56:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:56:57,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:56:57,265 INFO L87 Difference]: Start difference. First operand 139808 states. Second operand 3 states. [2019-12-26 20:57:01,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:57:01,122 INFO L93 Difference]: Finished difference Result 161771 states and 749265 transitions. [2019-12-26 20:57:01,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:57:01,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-12-26 20:57:01,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:57:02,080 INFO L225 Difference]: With dead ends: 161771 [2019-12-26 20:57:02,080 INFO L226 Difference]: Without dead ends: 161771 [2019-12-26 20:57:02,081 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 [2019-12-26 20:57:05,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161771 states. [2019-12-26 20:57:12,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161771 to 134826. [2019-12-26 20:57:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134826 states. [2019-12-26 20:57:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134826 states to 134826 states and 631449 transitions. [2019-12-26 20:57:12,757 INFO L78 Accepts]: Start accepts. Automaton has 134826 states and 631449 transitions. Word has length 7 [2019-12-26 20:57:12,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:57:12,757 INFO L462 AbstractCegarLoop]: Abstraction has 134826 states and 631449 transitions. [2019-12-26 20:57:12,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:57:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 134826 states and 631449 transitions. [2019-12-26 20:57:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-26 20:57:12,758 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:57:12,758 INFO L411 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:57:12,758 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]=== [2019-12-26 20:57:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:57:12,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1217805150, now seen corresponding path program 1 times [2019-12-26 20:57:12,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:57:12,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548472644] [2019-12-26 20:57:12,759 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:57:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 20:57:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 20:57:12,788 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548472644] [2019-12-26 20:57:12,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 20:57:12,788 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 20:57:12,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523286378] [2019-12-26 20:57:12,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 20:57:12,789 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 20:57:12,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 20:57:12,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:57:12,790 INFO L87 Difference]: Start difference. First operand 134826 states and 631449 transitions. Second operand 3 states. [2019-12-26 20:57:12,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 20:57:12,834 INFO L93 Difference]: Finished difference Result 5043 states and 13467 transitions. [2019-12-26 20:57:12,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 20:57:12,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-26 20:57:12,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 20:57:12,846 INFO L225 Difference]: With dead ends: 5043 [2019-12-26 20:57:12,847 INFO L226 Difference]: Without dead ends: 5043 [2019-12-26 20:57:12,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 20:57:12,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5043 states. [2019-12-26 20:57:12,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5043 to 5043. [2019-12-26 20:57:12,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5043 states. [2019-12-26 20:57:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 13467 transitions. [2019-12-26 20:57:12,938 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 13467 transitions. Word has length 12 [2019-12-26 20:57:12,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 20:57:12,938 INFO L462 AbstractCegarLoop]: Abstraction has 5043 states and 13467 transitions. [2019-12-26 20:57:12,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 20:57:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 13467 transitions. [2019-12-26 20:57:12,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-26 20:57:12,940 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 20:57:12,940 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 20:57:12,940 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]=== [2019-12-26 20:57:12,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 20:57:12,940 INFO L82 PathProgramCache]: Analyzing trace with hash 2013146733, now seen corresponding path program 1 times [2019-12-26 20:57:12,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 20:57:12,941 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226289602] [2019-12-26 20:57:12,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 20:57:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:57:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 20:57:12,960 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 20:57:12,961 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 20:57:12,961 WARN L364 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2019-12-26 20:57:12,961 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2019-12-26 20:57:12,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,969 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,969 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,970 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,971 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,972 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,973 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,973 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,974 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,975 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,975 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,976 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread1of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,976 WARN L315 ript$VariableManager]: TermVariabe thr1Thread1of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,977 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,978 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,978 WARN L315 ript$VariableManager]: TermVariabe thr1Thread2of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,978 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread2of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,980 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,980 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread3of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,980 WARN L315 ript$VariableManager]: TermVariabe thr1Thread3of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,982 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,982 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread4of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,982 WARN L315 ript$VariableManager]: TermVariabe thr1Thread4of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,983 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,984 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,984 WARN L315 ript$VariableManager]: TermVariabe thr1Thread5of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,984 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread5of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,985 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,985 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,986 WARN L315 ript$VariableManager]: TermVariabe thr1Thread6of6ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,986 WARN L315 ript$VariableManager]: TermVariabe |thr1Thread6of6ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 20:57:12,987 INFO L249 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2019-12-26 20:57:12,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 20:57:12,987 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 20:57:12,987 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 20:57:12,987 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 20:57:12,988 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 20:57:12,988 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 20:57:12,988 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 20:57:12,988 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 20:57:12,989 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 84 transitions [2019-12-26 20:57:12,989 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-26 20:57:13,008 INFO L132 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-26 20:57:13,008 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-26 20:57:13,011 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. [2019-12-26 20:57:13,020 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 90 places, 84 transitions [2019-12-26 20:57:13,038 INFO L132 PetriNetUnfolder]: 13/137 cut-off events. [2019-12-26 20:57:13,038 INFO L133 PetriNetUnfolder]: For 50/50 co-relation queries the response was YES. [2019-12-26 20:57:13,041 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. [2019-12-26 20:57:13,049 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 4500 [2019-12-26 20:57:13,049 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 20:57:14,114 INFO L206 etLargeBlockEncoding]: Checked pairs total: 19365 [2019-12-26 20:57:14,114 INFO L214 etLargeBlockEncoding]: Total number of compositions: 46 [2019-12-26 20:57:14,115 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 53 transitions Received shutdown request... [2019-12-26 21:00:12,830 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-26 21:00:12,833 WARN L227 ceAbstractionStarter]: Timeout [2019-12-26 21:00:12,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 09:00:12 BasicIcfg [2019-12-26 21:00:12,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-26 21:00:12,836 INFO L168 Benchmark]: Toolchain (without parser) took 263487.92 ms. Allocated memory was 146.8 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 103.2 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,837 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.08 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 162.1 MB in the end (delta: -59.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,839 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.28 ms. Allocated memory is still 204.5 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,840 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 ms. Allocated memory is still 204.5 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,840 INFO L168 Benchmark]: RCFGBuilder took 341.95 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 143.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,841 INFO L168 Benchmark]: TraceAbstraction took 262322.10 ms. Allocated memory was 204.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 142.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.2 GB. Max. memory is 7.1 GB. [2019-12-26 21:00:12,856 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.08 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 162.1 MB in the end (delta: -59.2 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.28 ms. Allocated memory is still 204.5 MB. Free memory was 162.1 MB in the beginning and 160.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.19 ms. Allocated memory is still 204.5 MB. Free memory was 160.1 MB in the beginning and 158.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 341.95 ms. Allocated memory is still 204.5 MB. Free memory was 158.7 MB in the beginning and 143.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 262322.10 ms. Allocated memory was 204.5 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 142.5 MB in the beginning and 1.6 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.2 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: 0.5s, 42 ProgramPointsBefore, 22 ProgramPointsAfterwards, 40 TransitionsBefore, 21 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 2 ChoiceCompositions, 288 VarBasedMoverChecksPositive, 35 VarBasedMoverChecksNegative, 24 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 0 MoverChecksTotal, 2048 CheckedPairsTotal, 24 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.7s, 54 ProgramPointsBefore, 31 ProgramPointsAfterwards, 51 TransitionsBefore, 30 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 2 ChoiceCompositions, 627 VarBasedMoverChecksPositive, 119 VarBasedMoverChecksNegative, 131 SemBasedMoverChecksPositive, 37 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 4852 CheckedPairsTotal, 31 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 66 ProgramPointsBefore, 40 ProgramPointsAfterwards, 62 TransitionsBefore, 39 TransitionsAfterwards, 2120 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 26 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 2 ChoiceCompositions, 924 VarBasedMoverChecksPositive, 265 VarBasedMoverChecksNegative, 319 SemBasedMoverChecksPositive, 59 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 0 MoverChecksTotal, 8985 CheckedPairsTotal, 38 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 78 ProgramPointsBefore, 48 ProgramPointsAfterwards, 73 TransitionsBefore, 46 TransitionsAfterwards, 3200 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 3 ChoiceCompositions, 1318 VarBasedMoverChecksPositive, 327 VarBasedMoverChecksNegative, 440 SemBasedMoverChecksPositive, 58 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.7s, 0 MoverChecksTotal, 13863 CheckedPairsTotal, 42 TotalNumberOfCompositions - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.1s, 90 ProgramPointsBefore, 56 ProgramPointsAfterwards, 84 TransitionsBefore, 53 TransitionsAfterwards, 4500 CoEnabledTransitionPairs, 6 FixpointIterations, 7 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 4 ChoiceCompositions, 1947 VarBasedMoverChecksPositive, 411 VarBasedMoverChecksNegative, 478 SemBasedMoverChecksPositive, 93 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 0 MoverChecksTotal, 19365 CheckedPairsTotal, 46 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 56 places, 53 transitions. Already constructed 291776 states. Currently 72604 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 1 error locations. Result: TIMEOUT, OverallTime: 179.8s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown