/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-0612a5f-m [2022-09-20 21:03:17,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-20 21:03:17,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-20 21:03:17,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-20 21:03:17,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-20 21:03:17,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-20 21:03:17,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-20 21:03:17,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-20 21:03:17,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-20 21:03:17,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-20 21:03:17,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-20 21:03:17,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-20 21:03:17,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-20 21:03:17,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-20 21:03:17,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-20 21:03:17,200 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-20 21:03:17,200 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-20 21:03:17,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-20 21:03:17,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-20 21:03:17,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-20 21:03:17,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-20 21:03:17,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-20 21:03:17,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-20 21:03:17,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-20 21:03:17,218 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-20 21:03:17,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-20 21:03:17,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-20 21:03:17,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-20 21:03:17,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-20 21:03:17,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-09-20 21:03:17,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-09-20 21:03:17,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-09-20 21:03:17,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-09-20 21:03:17,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-09-20 21:03:17,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-09-20 21:03:17,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-09-20 21:03:17,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-09-20 21:03:17,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-09-20 21:03:17,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-20 21:03:17,223 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-20 21:03:17,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-20 21:03:17,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-09-20 21:03:17,248 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-20 21:03:17,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-20 21:03:17,249 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-20 21:03:17,249 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-20 21:03:17,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * Use SBE=true [2022-09-20 21:03:17,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-20 21:03:17,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-20 21:03:17,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-20 21:03:17,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 21:03:17,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-09-20 21:03:17,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-09-20 21:03:17,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-20 21:03:17,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-20 21:03:17,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-20 21:03:17,422 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-20 21:03:17,423 INFO L275 PluginConnector]: CDTParser initialized [2022-09-20 21:03:17,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-09-20 21:03:17,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe922f8b/90aac70571294e2f8a171c13ade243f4/FLAGa60c3bbd3 [2022-09-20 21:03:17,828 INFO L306 CDTParser]: Found 1 translation units. [2022-09-20 21:03:17,828 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-09-20 21:03:17,835 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe922f8b/90aac70571294e2f8a171c13ade243f4/FLAGa60c3bbd3 [2022-09-20 21:03:18,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/abe922f8b/90aac70571294e2f8a171c13ade243f4 [2022-09-20 21:03:18,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-20 21:03:18,252 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-20 21:03:18,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-20 21:03:18,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-20 21:03:18,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-20 21:03:18,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6119e1d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18, skipping insertion in model container [2022-09-20 21:03:18,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-20 21:03:18,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-20 21:03:18,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-09-20 21:03:18,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 21:03:18,438 INFO L203 MainTranslator]: Completed pre-run [2022-09-20 21:03:18,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-09-20 21:03:18,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-20 21:03:18,474 INFO L208 MainTranslator]: Completed translation [2022-09-20 21:03:18,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18 WrapperNode [2022-09-20 21:03:18,474 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-20 21:03:18,475 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-20 21:03:18,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-20 21:03:18,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-20 21:03:18,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,540 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2022-09-20 21:03:18,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-20 21:03:18,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-20 21:03:18,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-20 21:03:18,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-20 21:03:18,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-20 21:03:18,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-20 21:03:18,592 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-20 21:03:18,592 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-20 21:03:18,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (1/1) ... [2022-09-20 21:03:18,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-20 21:03:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-20 21:03:18,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-09-20 21:03:18,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-09-20 21:03:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-09-20 21:03:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-09-20 21:03:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-09-20 21:03:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-09-20 21:03:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-09-20 21:03:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-09-20 21:03:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-20 21:03:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-09-20 21:03:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-09-20 21:03:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-09-20 21:03:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-09-20 21:03:18,700 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-09-20 21:03:18,700 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-09-20 21:03:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-09-20 21:03:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-09-20 21:03:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-20 21:03:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-20 21:03:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-20 21:03:18,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-20 21:03:18,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-20 21:03:18,702 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-20 21:03:18,797 INFO L234 CfgBuilder]: Building ICFG [2022-09-20 21:03:18,810 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-20 21:03:19,058 INFO L275 CfgBuilder]: Performing block encoding [2022-09-20 21:03:19,116 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-20 21:03:19,116 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-20 21:03:19,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:03:19 BoogieIcfgContainer [2022-09-20 21:03:19,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-20 21:03:19,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-20 21:03:19,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-20 21:03:19,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-20 21:03:19,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 09:03:18" (1/3) ... [2022-09-20 21:03:19,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30916717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 09:03:19, skipping insertion in model container [2022-09-20 21:03:19,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 09:03:18" (2/3) ... [2022-09-20 21:03:19,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30916717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 09:03:19, skipping insertion in model container [2022-09-20 21:03:19,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 09:03:19" (3/3) ... [2022-09-20 21:03:19,123 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-09-20 21:03:19,135 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-20 21:03:19,135 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-09-20 21:03:19,135 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-20 21:03:19,211 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-09-20 21:03:19,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 234 transitions, 532 flow [2022-09-20 21:03:19,375 INFO L130 PetriNetUnfolder]: 2/226 cut-off events. [2022-09-20 21:03:19,375 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-09-20 21:03:19,379 INFO L83 FinitePrefix]: Finished finitePrefix Result has 259 conditions, 226 events. 2/226 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 105 event pairs, 0 based on Foata normal form. 0/223 useless extension candidates. Maximal degree in co-relation 177. Up to 2 conditions per place. [2022-09-20 21:03:19,379 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 234 transitions, 532 flow [2022-09-20 21:03:19,385 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 228 places, 205 transitions, 458 flow [2022-09-20 21:03:19,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-20 21:03:19,402 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@256c9467, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-20 21:03:19,402 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-09-20 21:03:19,454 INFO L130 PetriNetUnfolder]: 2/204 cut-off events. [2022-09-20 21:03:19,454 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-09-20 21:03:19,454 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-09-20 21:03:19,455 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-20 21:03:19,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-09-20 21:03:19,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-20 21:03:19,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1838133696, now seen corresponding path program 1 times [2022-09-20 21:03:19,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-20 21:03:19,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010002248] [2022-09-20 21:03:19,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-20 21:03:19,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-20 21:03:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-20 21:03:20,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-20 21:03:20,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-20 21:03:20,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010002248] [2022-09-20 21:03:20,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010002248] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-20 21:03:20,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-20 21:03:20,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-09-20 21:03:20,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707503721] [2022-09-20 21:03:20,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-20 21:03:20,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-09-20 21:03:20,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-20 21:03:20,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-09-20 21:03:20,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-09-20 21:03:20,322 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 234 [2022-09-20 21:03:20,326 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 205 transitions, 458 flow. Second operand has 10 states, 10 states have (on average 174.1) internal successors, (1741), 10 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-20 21:03:20,326 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-09-20 21:03:20,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 234 [2022-09-20 21:03:20,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand