/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s /storage/repos/CAV22/benchmarks/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.order.of.the.error.locations.to.be.checked TOGETHER -tc /storage/repos/CAV22/benchmarks/AutomizerCInline.xml -i /storage/repos/CAV22/benchmarks/added_bound_to_unbounded/goblint-regression_28-race_reach_07-cond_racing2_bound2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-19404b3-m [2023-08-03 15:16:53,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-03 15:16:53,715 INFO L114 SettingsManager]: Loading settings from /storage/repos/CAV22/benchmarks/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-03 15:16:53,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-03 15:16:53,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-08-03 15:16:53,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2023-08-03 15:16:53,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-03 15:16:53,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-03 15:16:53,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-03 15:16:53,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-03 15:16:53,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-03 15:16:53,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-03 15:16:53,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-03 15:16:53,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-03 15:16:53,752 INFO L153 SettingsManager]: * Use SBE=true [2023-08-03 15:16:53,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-03 15:16:53,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-03 15:16:53,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-03 15:16:53,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-03 15:16:53,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-03 15:16:53,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-03 15:16:53,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-03 15:16:53,755 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-03 15:16:53,755 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-03 15:16:53,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-03 15:16:53,756 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-03 15:16:53,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-03 15:16:53,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-03 15:16:53,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-03 15:16:53,757 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> TOGETHER [2023-08-03 15:16:53,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-03 15:16:53,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-03 15:16:53,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-03 15:16:53,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-03 15:16:53,973 INFO L274 PluginConnector]: CDTParser initialized [2023-08-03 15:16:53,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/CAV22/benchmarks/added_bound_to_unbounded/goblint-regression_28-race_reach_07-cond_racing2_bound2.i [2023-08-03 15:16:54,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-03 15:16:55,168 INFO L384 CDTParser]: Found 1 translation units. [2023-08-03 15:16:55,169 INFO L180 CDTParser]: Scanning /storage/repos/CAV22/benchmarks/added_bound_to_unbounded/goblint-regression_28-race_reach_07-cond_racing2_bound2.i [2023-08-03 15:16:55,178 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e37fb904/a36c4b27124c42618ac34887c3cca45c/FLAG1ecb14d54 [2023-08-03 15:16:55,188 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e37fb904/a36c4b27124c42618ac34887c3cca45c [2023-08-03 15:16:55,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-03 15:16:55,194 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-03 15:16:55,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-03 15:16:55,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-03 15:16:55,198 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-03 15:16:55,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77552673 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55, skipping insertion in model container [2023-08-03 15:16:55,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,243 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-03 15:16:55,547 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/CAV22/benchmarks/added_bound_to_unbounded/goblint-regression_28-race_reach_07-cond_racing2_bound2.i[41322,41335] [2023-08-03 15:16:55,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-03 15:16:55,570 INFO L201 MainTranslator]: Completed pre-run [2023-08-03 15:16:55,588 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [119] [2023-08-03 15:16:55,599 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [481] [2023-08-03 15:16:55,599 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [481] [2023-08-03 15:16:55,604 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/CAV22/benchmarks/added_bound_to_unbounded/goblint-regression_28-race_reach_07-cond_racing2_bound2.i[41322,41335] [2023-08-03 15:16:55,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-03 15:16:55,664 INFO L206 MainTranslator]: Completed translation [2023-08-03 15:16:55,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55 WrapperNode [2023-08-03 15:16:55,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-03 15:16:55,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-03 15:16:55,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-03 15:16:55,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-03 15:16:55,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,712 INFO L138 Inliner]: procedures = 270, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-08-03 15:16:55,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-03 15:16:55,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-03 15:16:55,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-03 15:16:55,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-03 15:16:55,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-03 15:16:55,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-03 15:16:55,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-03 15:16:55,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-03 15:16:55,743 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (1/1) ... [2023-08-03 15:16:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-03 15:16:55,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 15:16:55,767 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) [2023-08-03 15:16:55,771 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 [2023-08-03 15:16:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-03 15:16:55,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-03 15:16:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-03 15:16:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-03 15:16:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-03 15:16:55,792 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-03 15:16:55,881 INFO L236 CfgBuilder]: Building ICFG [2023-08-03 15:16:55,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-03 15:16:56,017 INFO L277 CfgBuilder]: Performing block encoding [2023-08-03 15:16:56,022 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-03 15:16:56,022 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-03 15:16:56,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.08 03:16:56 BoogieIcfgContainer [2023-08-03 15:16:56,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-03 15:16:56,025 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-03 15:16:56,025 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-03 15:16:56,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-03 15:16:56,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.08 03:16:55" (1/3) ... [2023-08-03 15:16:56,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3856d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.08 03:16:56, skipping insertion in model container [2023-08-03 15:16:56,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.08 03:16:55" (2/3) ... [2023-08-03 15:16:56,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3856d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.08 03:16:56, skipping insertion in model container [2023-08-03 15:16:56,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.08 03:16:56" (3/3) ... [2023-08-03 15:16:56,041 INFO L112 eAbstractionObserver]: Analyzing ICFG goblint-regression_28-race_reach_07-cond_racing2_bound2.i [2023-08-03 15:16:56,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-03 15:16:56,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-03 15:16:56,075 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-03 15:16:56,075 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-03 15:16:56,121 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-03 15:16:56,147 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 121 transitions, 250 flow [2023-08-03 15:16:56,183 INFO L124 PetriNetUnfolderBase]: 23/163 cut-off events. [2023-08-03 15:16:56,184 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-08-03 15:16:56,188 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 163 events. 23/163 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 360 event pairs, 0 based on Foata normal form. 0/135 useless extension candidates. Maximal degree in co-relation 81. Up to 6 conditions per place. [2023-08-03 15:16:56,188 INFO L82 GeneralOperation]: Start removeDead. Operand has 109 places, 121 transitions, 250 flow [2023-08-03 15:16:56,191 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 105 places, 116 transitions, 237 flow [2023-08-03 15:16:56,193 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-03 15:16:56,198 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 116 transitions, 237 flow [2023-08-03 15:16:56,200 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 116 transitions, 237 flow [2023-08-03 15:16:56,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 116 transitions, 237 flow [2023-08-03 15:16:56,241 INFO L124 PetriNetUnfolderBase]: 22/158 cut-off events. [2023-08-03 15:16:56,242 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 15:16:56,242 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 158 events. 22/158 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 349 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 81. Up to 6 conditions per place. [2023-08-03 15:16:56,244 INFO L119 LiptonReduction]: Number of co-enabled transitions 2688 [2023-08-03 15:16:58,765 INFO L134 LiptonReduction]: Checked pairs total: 4289 [2023-08-03 15:16:58,765 INFO L136 LiptonReduction]: Total number of compositions: 103 [2023-08-03 15:16:58,774 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-03 15:16:58,778 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=true, 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;@4faa9aef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-03 15:16:58,778 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-03 15:16:58,781 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-03 15:16:58,781 INFO L124 PetriNetUnfolderBase]: 2/14 cut-off events. [2023-08-03 15:16:58,781 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 15:16:58,781 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:16:58,781 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-03 15:16:58,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:16:58,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:16:58,785 INFO L85 PathProgramCache]: Analyzing trace with hash 14433895, now seen corresponding path program 1 times [2023-08-03 15:16:58,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:16:58,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495322021] [2023-08-03 15:16:58,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:16:58,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:16:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:16:58,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:16:58,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:16:58,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495322021] [2023-08-03 15:16:58,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495322021] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 15:16:58,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 15:16:58,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-03 15:16:59,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972922331] [2023-08-03 15:16:59,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 15:16:59,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 15:16:59,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:16:59,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 15:16:59,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 15:16:59,042 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 224 [2023-08-03 15:16:59,045 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 32 transitions, 69 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-08-03 15:16:59,045 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:16:59,045 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 224 [2023-08-03 15:16:59,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:16:59,123 INFO L124 PetriNetUnfolderBase]: 97/210 cut-off events. [2023-08-03 15:16:59,123 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 15:16:59,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 424 conditions, 210 events. 97/210 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 739 event pairs, 70 based on Foata normal form. 12/186 useless extension candidates. Maximal degree in co-relation 409. Up to 197 conditions per place. [2023-08-03 15:16:59,126 INFO L140 encePairwiseOnDemand]: 212/224 looper letters, 22 selfloop transitions, 2 changer transitions 7/33 dead transitions. [2023-08-03 15:16:59,126 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 33 transitions, 133 flow [2023-08-03 15:16:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 15:16:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 15:16:59,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 356 transitions. [2023-08-03 15:16:59,145 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5297619047619048 [2023-08-03 15:16:59,145 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 356 transitions. [2023-08-03 15:16:59,146 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 356 transitions. [2023-08-03 15:16:59,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:16:59,149 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 356 transitions. [2023-08-03 15:16:59,154 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 118.66666666666667) internal successors, (356), 3 states have internal predecessors, (356), 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) [2023-08-03 15:16:59,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 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) [2023-08-03 15:16:59,158 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 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) [2023-08-03 15:16:59,159 INFO L175 Difference]: Start difference. First operand has 26 places, 32 transitions, 69 flow. Second operand 3 states and 356 transitions. [2023-08-03 15:16:59,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 33 transitions, 133 flow [2023-08-03 15:16:59,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 33 transitions, 133 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-03 15:16:59,163 INFO L231 Difference]: Finished difference. Result has 29 places, 17 transitions, 47 flow [2023-08-03 15:16:59,164 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=224, PETRI_DIFFERENCE_MINUEND_FLOW=53, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=47, PETRI_PLACES=29, PETRI_TRANSITIONS=17} [2023-08-03 15:16:59,167 INFO L281 CegarLoopForPetriNet]: 26 programPoint places, 3 predicate places. [2023-08-03 15:16:59,167 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 17 transitions, 47 flow [2023-08-03 15:16:59,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-08-03 15:16:59,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:16:59,167 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1] [2023-08-03 15:16:59,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-03 15:16:59,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:16:59,170 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:16:59,170 INFO L85 PathProgramCache]: Analyzing trace with hash 950607665, now seen corresponding path program 1 times [2023-08-03 15:16:59,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:16:59,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572890726] [2023-08-03 15:16:59,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:16:59,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:16:59,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 15:16:59,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-03 15:16:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 15:16:59,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-03 15:16:59,223 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-03 15:16:59,224 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 2 remaining) [2023-08-03 15:16:59,226 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-08-03 15:16:59,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-03 15:16:59,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-08-03 15:16:59,227 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-08-03 15:16:59,227 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-08-03 15:16:59,240 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-03 15:16:59,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,273 INFO L124 PetriNetUnfolderBase]: 40/259 cut-off events. [2023-08-03 15:16:59,273 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-08-03 15:16:59,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 259 events. 40/259 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 723 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 165. Up to 9 conditions per place. [2023-08-03 15:16:59,276 INFO L82 GeneralOperation]: Start removeDead. Operand has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,278 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,278 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-03 15:16:59,278 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,278 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 134 places, 151 transitions, 320 flow [2023-08-03 15:16:59,298 INFO L124 PetriNetUnfolderBase]: 40/259 cut-off events. [2023-08-03 15:16:59,298 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2023-08-03 15:16:59,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 273 conditions, 259 events. 40/259 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 723 event pairs, 0 based on Foata normal form. 0/212 useless extension candidates. Maximal degree in co-relation 165. Up to 9 conditions per place. [2023-08-03 15:16:59,303 INFO L119 LiptonReduction]: Number of co-enabled transitions 7560 [2023-08-03 15:17:01,787 INFO L134 LiptonReduction]: Checked pairs total: 19419 [2023-08-03 15:17:01,787 INFO L136 LiptonReduction]: Total number of compositions: 114 [2023-08-03 15:17:01,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-03 15:17:01,789 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=true, 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;@4faa9aef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-03 15:17:01,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-08-03 15:17:01,791 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-08-03 15:17:01,791 INFO L124 PetriNetUnfolderBase]: 2/15 cut-off events. [2023-08-03 15:17:01,791 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-03 15:17:01,791 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:01,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-08-03 15:17:01,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:01,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:01,792 INFO L85 PathProgramCache]: Analyzing trace with hash 23513882, now seen corresponding path program 1 times [2023-08-03 15:17:01,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:01,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664015034] [2023-08-03 15:17:01,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:01,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:01,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:17:01,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664015034] [2023-08-03 15:17:01,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664015034] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 15:17:01,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 15:17:01,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-03 15:17:01,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807949083] [2023-08-03 15:17:01,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 15:17:01,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 15:17:01,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:17:01,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 15:17:01,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 15:17:01,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 265 [2023-08-03 15:17:01,856 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 59 transitions, 136 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2023-08-03 15:17:01,856 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:17:01,856 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 265 [2023-08-03 15:17:01,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:17:02,031 INFO L124 PetriNetUnfolderBase]: 1562/2747 cut-off events. [2023-08-03 15:17:02,032 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2023-08-03 15:17:02,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5327 conditions, 2747 events. 1562/2747 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 16635 event pairs, 704 based on Foata normal form. 356/2699 useless extension candidates. Maximal degree in co-relation 714. Up to 2513 conditions per place. [2023-08-03 15:17:02,039 INFO L140 encePairwiseOnDemand]: 246/265 looper letters, 28 selfloop transitions, 2 changer transitions 12/52 dead transitions. [2023-08-03 15:17:02,039 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 204 flow [2023-08-03 15:17:02,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 15:17:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 15:17:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 439 transitions. [2023-08-03 15:17:02,041 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5522012578616352 [2023-08-03 15:17:02,041 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 439 transitions. [2023-08-03 15:17:02,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 439 transitions. [2023-08-03 15:17:02,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:17:02,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 439 transitions. [2023-08-03 15:17:02,042 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 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) [2023-08-03 15:17:02,044 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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) [2023-08-03 15:17:02,044 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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) [2023-08-03 15:17:02,044 INFO L175 Difference]: Start difference. First operand has 46 places, 59 transitions, 136 flow. Second operand 3 states and 439 transitions. [2023-08-03 15:17:02,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 204 flow [2023-08-03 15:17:02,045 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 204 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-03 15:17:02,045 INFO L231 Difference]: Finished difference. Result has 49 places, 33 transitions, 88 flow [2023-08-03 15:17:02,046 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=49, PETRI_TRANSITIONS=33} [2023-08-03 15:17:02,046 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 3 predicate places. [2023-08-03 15:17:02,046 INFO L495 AbstractCegarLoop]: Abstraction has has 49 places, 33 transitions, 88 flow [2023-08-03 15:17:02,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2023-08-03 15:17:02,047 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:02,047 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 15:17:02,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-03 15:17:02,047 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:02,047 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:02,047 INFO L85 PathProgramCache]: Analyzing trace with hash -227384455, now seen corresponding path program 1 times [2023-08-03 15:17:02,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:02,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991473738] [2023-08-03 15:17:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:02,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:02,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-03 15:17:02,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:17:02,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991473738] [2023-08-03 15:17:02,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991473738] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 15:17:02,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-03 15:17:02,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-03 15:17:02,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760110777] [2023-08-03 15:17:02,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 15:17:02,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-03 15:17:02,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:17:02,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-03 15:17:02,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-03 15:17:02,157 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 265 [2023-08-03 15:17:02,158 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 33 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2023-08-03 15:17:02,158 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:17:02,158 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 265 [2023-08-03 15:17:02,158 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:17:02,260 INFO L124 PetriNetUnfolderBase]: 811/1458 cut-off events. [2023-08-03 15:17:02,260 INFO L125 PetriNetUnfolderBase]: For 204/204 co-relation queries the response was YES. [2023-08-03 15:17:02,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3030 conditions, 1458 events. 811/1458 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 7560 event pairs, 313 based on Foata normal form. 12/1467 useless extension candidates. Maximal degree in co-relation 2959. Up to 1218 conditions per place. [2023-08-03 15:17:02,265 INFO L140 encePairwiseOnDemand]: 261/265 looper letters, 34 selfloop transitions, 3 changer transitions 0/45 dead transitions. [2023-08-03 15:17:02,265 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 45 transitions, 198 flow [2023-08-03 15:17:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-03 15:17:02,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-03 15:17:02,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 408 transitions. [2023-08-03 15:17:02,266 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5132075471698113 [2023-08-03 15:17:02,267 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 408 transitions. [2023-08-03 15:17:02,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 408 transitions. [2023-08-03 15:17:02,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:17:02,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 408 transitions. [2023-08-03 15:17:02,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 136.0) internal successors, (408), 3 states have internal predecessors, (408), 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) [2023-08-03 15:17:02,269 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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) [2023-08-03 15:17:02,270 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 265.0) internal successors, (1060), 4 states have internal predecessors, (1060), 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) [2023-08-03 15:17:02,270 INFO L175 Difference]: Start difference. First operand has 49 places, 33 transitions, 88 flow. Second operand 3 states and 408 transitions. [2023-08-03 15:17:02,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 45 transitions, 198 flow [2023-08-03 15:17:02,271 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 45 transitions, 193 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-03 15:17:02,272 INFO L231 Difference]: Finished difference. Result has 42 places, 35 transitions, 103 flow [2023-08-03 15:17:02,272 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=42, PETRI_TRANSITIONS=35} [2023-08-03 15:17:02,273 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -4 predicate places. [2023-08-03 15:17:02,273 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 35 transitions, 103 flow [2023-08-03 15:17:02,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2023-08-03 15:17:02,274 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:02,274 INFO L208 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2023-08-03 15:17:02,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-03 15:17:02,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:02,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:02,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1552769436, now seen corresponding path program 1 times [2023-08-03 15:17:02,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:02,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068602076] [2023-08-03 15:17:02,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:02,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:02,334 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:02,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:17:02,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068602076] [2023-08-03 15:17:02,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068602076] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-03 15:17:02,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485483487] [2023-08-03 15:17:02,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:02,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 15:17:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 15:17:02,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-03 15:17:02,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-03 15:17:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:02,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 4 conjunts are in the unsatisfiable core [2023-08-03 15:17:02,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-03 15:17:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:02,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-03 15:17:02,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485483487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-03 15:17:02,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-03 15:17:02,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2023-08-03 15:17:02,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387268500] [2023-08-03 15:17:02,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 15:17:02,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-03 15:17:02,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:17:02,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-03 15:17:02,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-08-03 15:17:02,486 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 265 [2023-08-03 15:17:02,487 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 35 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 125.6) internal successors, (628), 5 states have internal predecessors, (628), 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) [2023-08-03 15:17:02,487 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:17:02,487 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 265 [2023-08-03 15:17:02,487 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:17:02,633 INFO L124 PetriNetUnfolderBase]: 538/986 cut-off events. [2023-08-03 15:17:02,634 INFO L125 PetriNetUnfolderBase]: For 194/194 co-relation queries the response was YES. [2023-08-03 15:17:02,635 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2208 conditions, 986 events. 538/986 cut-off events. For 194/194 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 4944 event pairs, 160 based on Foata normal form. 69/1054 useless extension candidates. Maximal degree in co-relation 1461. Up to 756 conditions per place. [2023-08-03 15:17:02,638 INFO L140 encePairwiseOnDemand]: 261/265 looper letters, 43 selfloop transitions, 4 changer transitions 0/57 dead transitions. [2023-08-03 15:17:02,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 57 transitions, 246 flow [2023-08-03 15:17:02,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-03 15:17:02,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-03 15:17:02,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 666 transitions. [2023-08-03 15:17:02,640 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5026415094339622 [2023-08-03 15:17:02,640 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 666 transitions. [2023-08-03 15:17:02,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 666 transitions. [2023-08-03 15:17:02,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:17:02,641 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 666 transitions. [2023-08-03 15:17:02,643 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 133.2) internal successors, (666), 5 states have internal predecessors, (666), 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) [2023-08-03 15:17:02,644 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 265.0) internal successors, (1590), 6 states have internal predecessors, (1590), 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) [2023-08-03 15:17:02,645 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 265.0) internal successors, (1590), 6 states have internal predecessors, (1590), 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) [2023-08-03 15:17:02,645 INFO L175 Difference]: Start difference. First operand has 42 places, 35 transitions, 103 flow. Second operand 5 states and 666 transitions. [2023-08-03 15:17:02,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 57 transitions, 246 flow [2023-08-03 15:17:02,646 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 57 transitions, 241 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-03 15:17:02,647 INFO L231 Difference]: Finished difference. Result has 45 places, 35 transitions, 116 flow [2023-08-03 15:17:02,647 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2023-08-03 15:17:02,648 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2023-08-03 15:17:02,648 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 35 transitions, 116 flow [2023-08-03 15:17:02,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 125.6) internal successors, (628), 5 states have internal predecessors, (628), 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) [2023-08-03 15:17:02,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:02,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 15:17:02,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-03 15:17:02,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 15:17:02,854 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:02,854 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:02,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1296825490, now seen corresponding path program 1 times [2023-08-03 15:17:02,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137511121] [2023-08-03 15:17:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:02,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:02,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:17:02,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137511121] [2023-08-03 15:17:02,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137511121] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-03 15:17:02,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351267737] [2023-08-03 15:17:02,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:02,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 15:17:02,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 15:17:02,897 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-03 15:17:02,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-03 15:17:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:02,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-03 15:17:02,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-03 15:17:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:02,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-03 15:17:02,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-03 15:17:02,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351267737] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-03 15:17:02,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-03 15:17:02,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 4 [2023-08-03 15:17:02,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537873123] [2023-08-03 15:17:02,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-03 15:17:02,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-03 15:17:02,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:17:02,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-03 15:17:02,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-08-03 15:17:03,007 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 265 [2023-08-03 15:17:03,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 35 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 127.0) internal successors, (635), 5 states have internal predecessors, (635), 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) [2023-08-03 15:17:03,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:17:03,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 265 [2023-08-03 15:17:03,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:17:03,097 INFO L124 PetriNetUnfolderBase]: 524/921 cut-off events. [2023-08-03 15:17:03,097 INFO L125 PetriNetUnfolderBase]: For 514/514 co-relation queries the response was YES. [2023-08-03 15:17:03,099 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 921 events. 524/921 cut-off events. For 514/514 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4607 event pairs, 40 based on Foata normal form. 7/925 useless extension candidates. Maximal degree in co-relation 1126. Up to 722 conditions per place. [2023-08-03 15:17:03,102 INFO L140 encePairwiseOnDemand]: 262/265 looper letters, 43 selfloop transitions, 3 changer transitions 0/56 dead transitions. [2023-08-03 15:17:03,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 56 transitions, 250 flow [2023-08-03 15:17:03,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-03 15:17:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-03 15:17:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 541 transitions. [2023-08-03 15:17:03,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5103773584905661 [2023-08-03 15:17:03,103 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 541 transitions. [2023-08-03 15:17:03,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 541 transitions. [2023-08-03 15:17:03,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:17:03,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 541 transitions. [2023-08-03 15:17:03,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 135.25) internal successors, (541), 4 states have internal predecessors, (541), 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) [2023-08-03 15:17:03,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 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) [2023-08-03 15:17:03,106 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 265.0) internal successors, (1325), 5 states have internal predecessors, (1325), 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) [2023-08-03 15:17:03,107 INFO L175 Difference]: Start difference. First operand has 45 places, 35 transitions, 116 flow. Second operand 4 states and 541 transitions. [2023-08-03 15:17:03,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 56 transitions, 250 flow [2023-08-03 15:17:03,108 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 56 transitions, 245 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-03 15:17:03,108 INFO L231 Difference]: Finished difference. Result has 46 places, 34 transitions, 109 flow [2023-08-03 15:17:03,108 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=46, PETRI_TRANSITIONS=34} [2023-08-03 15:17:03,109 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2023-08-03 15:17:03,109 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 34 transitions, 109 flow [2023-08-03 15:17:03,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 127.0) internal successors, (635), 5 states have internal predecessors, (635), 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) [2023-08-03 15:17:03,109 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:03,109 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 15:17:03,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-03 15:17:03,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-08-03 15:17:03,314 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:03,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash 2124870032, now seen corresponding path program 1 times [2023-08-03 15:17:03,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:03,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338099121] [2023-08-03 15:17:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:03,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-03 15:17:03,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-03 15:17:03,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338099121] [2023-08-03 15:17:03,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338099121] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-03 15:17:03,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061943446] [2023-08-03 15:17:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 15:17:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-03 15:17:03,480 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-03 15:17:03,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-03 15:17:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-03 15:17:03,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2023-08-03 15:17:03,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-08-03 15:17:03,589 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-08-03 15:17:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-03 15:17:03,620 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2023-08-03 15:17:03,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-03 15:17:03,732 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-08-03 15:17:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-08-03 15:17:03,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061943446] provided 1 perfect and 1 imperfect interpolant sequences [2023-08-03 15:17:03,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-08-03 15:17:03,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 7] total 15 [2023-08-03 15:17:03,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125049092] [2023-08-03 15:17:03,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-03 15:17:03,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-03 15:17:03,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-03 15:17:03,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-03 15:17:03,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2023-08-03 15:17:03,940 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 265 [2023-08-03 15:17:03,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 34 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 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) [2023-08-03 15:17:03,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-03 15:17:03,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 265 [2023-08-03 15:17:03,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-03 15:17:04,167 INFO L124 PetriNetUnfolderBase]: 356/932 cut-off events. [2023-08-03 15:17:04,168 INFO L125 PetriNetUnfolderBase]: For 826/826 co-relation queries the response was YES. [2023-08-03 15:17:04,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2265 conditions, 932 events. 356/932 cut-off events. For 826/826 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5659 event pairs, 57 based on Foata normal form. 190/1118 useless extension candidates. Maximal degree in co-relation 1518. Up to 300 conditions per place. [2023-08-03 15:17:04,171 INFO L140 encePairwiseOnDemand]: 250/265 looper letters, 46 selfloop transitions, 33 changer transitions 3/91 dead transitions. [2023-08-03 15:17:04,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 91 transitions, 475 flow [2023-08-03 15:17:04,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-03 15:17:04,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-03 15:17:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 758 transitions. [2023-08-03 15:17:04,173 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4767295597484277 [2023-08-03 15:17:04,173 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 758 transitions. [2023-08-03 15:17:04,173 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 758 transitions. [2023-08-03 15:17:04,174 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-03 15:17:04,174 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 758 transitions. [2023-08-03 15:17:04,175 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 126.33333333333333) internal successors, (758), 6 states have internal predecessors, (758), 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) [2023-08-03 15:17:04,177 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 265.0) internal successors, (1855), 7 states have internal predecessors, (1855), 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) [2023-08-03 15:17:04,177 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 265.0) internal successors, (1855), 7 states have internal predecessors, (1855), 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) [2023-08-03 15:17:04,177 INFO L175 Difference]: Start difference. First operand has 46 places, 34 transitions, 109 flow. Second operand 6 states and 758 transitions. [2023-08-03 15:17:04,177 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 91 transitions, 475 flow [2023-08-03 15:17:04,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 91 transitions, 455 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-03 15:17:04,179 INFO L231 Difference]: Finished difference. Result has 52 places, 61 transitions, 305 flow [2023-08-03 15:17:04,179 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=265, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=305, PETRI_PLACES=52, PETRI_TRANSITIONS=61} [2023-08-03 15:17:04,179 INFO L281 CegarLoopForPetriNet]: 46 programPoint places, 6 predicate places. [2023-08-03 15:17:04,179 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 61 transitions, 305 flow [2023-08-03 15:17:04,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 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) [2023-08-03 15:17:04,180 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-03 15:17:04,180 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-03 15:17:04,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-03 15:17:04,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-03 15:17:04,384 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-08-03 15:17:04,384 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-03 15:17:04,385 INFO L85 PathProgramCache]: Analyzing trace with hash 52856357, now seen corresponding path program 1 times [2023-08-03 15:17:04,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-03 15:17:04,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683267392] [2023-08-03 15:17:04,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-03 15:17:04,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-03 15:17:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 15:17:04,396 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-08-03 15:17:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-08-03 15:17:04,410 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-08-03 15:17:04,410 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-08-03 15:17:04,410 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-08-03 15:17:04,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2023-08-03 15:17:04,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-03 15:17:04,411 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-08-03 15:17:04,413 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 2 thread instances [2023-08-03 15:17:04,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-03 15:17:04,428 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,428 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,428 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,429 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,430 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,431 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,432 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,435 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,436 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,437 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,438 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,439 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,440 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,440 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,440 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,441 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,442 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,443 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,444 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,445 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,446 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,449 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,449 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,449 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,449 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,450 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled [2023-08-03 15:17:04,451 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count [2023-08-03 15:17:04,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.08 03:17:04 BasicIcfg [2023-08-03 15:17:04,470 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-03 15:17:04,470 INFO L158 Benchmark]: Toolchain (without parser) took 9276.50ms. Allocated memory was 589.3MB in the beginning and 708.8MB in the end (delta: 119.5MB). Free memory was 545.9MB in the beginning and 337.0MB in the end (delta: 208.9MB). Peak memory consumption was 330.5MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,470 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 371.2MB. Free memory is still 322.0MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-03 15:17:04,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.45ms. Allocated memory is still 589.3MB. Free memory was 545.6MB in the beginning and 517.1MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.56ms. Allocated memory is still 589.3MB. Free memory was 517.1MB in the beginning and 514.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,471 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 589.3MB. Free memory was 514.7MB in the beginning and 512.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,471 INFO L158 Benchmark]: RCFGBuilder took 280.61ms. Allocated memory is still 589.3MB. Free memory was 512.8MB in the beginning and 497.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,471 INFO L158 Benchmark]: TraceAbstraction took 8445.14ms. Allocated memory was 589.3MB in the beginning and 708.8MB in the end (delta: 119.5MB). Free memory was 496.7MB in the beginning and 337.0MB in the end (delta: 159.7MB). Peak memory consumption was 280.2MB. Max. memory is 16.0GB. [2023-08-03 15:17:04,473 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 371.2MB. Free memory is still 322.0MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 470.45ms. Allocated memory is still 589.3MB. Free memory was 545.6MB in the beginning and 517.1MB in the end (delta: 28.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 46.56ms. Allocated memory is still 589.3MB. Free memory was 517.1MB in the beginning and 514.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 589.3MB. Free memory was 514.7MB in the beginning and 512.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * RCFGBuilder took 280.61ms. Allocated memory is still 589.3MB. Free memory was 512.8MB in the beginning and 497.4MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 8445.14ms. Allocated memory was 589.3MB in the beginning and 708.8MB in the end (delta: 119.5MB). Free memory was 496.7MB in the beginning and 337.0MB in the end (delta: 159.7MB). Peak memory consumption was 280.2MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__nusers - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__lock - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__kind - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__owner - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ~mutex2~0 : ~pthread_mutex_t~0 not handled - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var ~mutex2~0 : ~pthread_mutex_t~0; and expression ~mutex2~0.__data.__count * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 119]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [119] - GenericResultAtLocation [Line: 481]: Unsoundness Warning unspecified type, defaulting to int C: short [481] - GenericResultAtLocation [Line: 481]: Unsoundness Warning unspecified type, defaulting to int C: short [481] - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 105 PlacesBefore, 26 PlacesAfterwards, 116 TransitionsBefore, 32 TransitionsAfterwards, 2688 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 103 TotalNumberOfCompositions, 4289 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2415, independent: 2283, independent conditional: 0, independent unconditional: 2283, dependent: 132, dependent conditional: 0, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1464, independent: 1426, independent conditional: 0, independent unconditional: 1426, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2415, independent: 857, independent conditional: 0, independent unconditional: 857, dependent: 94, dependent conditional: 0, dependent unconditional: 94, unknown: 1464, unknown conditional: 0, unknown unconditional: 1464] , Statistics on independence cache: Total cache size (in pairs): 64, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.5s, 134 PlacesBefore, 46 PlacesAfterwards, 151 TransitionsBefore, 59 TransitionsAfterwards, 7560 CoEnabledTransitionPairs, 7 FixpointIterations, 38 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 114 TotalNumberOfCompositions, 19419 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8519, independent: 8202, independent conditional: 0, independent unconditional: 8202, dependent: 317, dependent conditional: 0, dependent unconditional: 317, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3859, independent: 3802, independent conditional: 0, independent unconditional: 3802, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8519, independent: 4400, independent conditional: 0, independent unconditional: 4400, dependent: 260, dependent conditional: 0, dependent unconditional: 260, unknown: 3859, unknown conditional: 0, unknown unconditional: 3859] , Statistics on independence cache: Total cache size (in pairs): 337, Positive cache size: 311, Positive conditional cache size: 0, Positive unconditional cache size: 311, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - CounterExampleResult [Line: 928]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L933] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L934] 0 int global = 0; [L935] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L936] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L944] 0 int i = __VERIFIER_nondet_int(); [L945] 0 pthread_t t_ids[2]; [L945] 0 int i=0; VAL [__global_lock={3:0}, global=0, i=0, i=0, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, t_ids={5:0}] [L945] COND TRUE 0 i<2 [L945] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [__global_lock={3:0}, arg={0:0}, global=0, i=0, i=0, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=-1, t_ids={5:0}] [L945] 0 i++ VAL [__global_lock={3:0}, arg={0:0}, global=0, i=0, i=1, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, t_ids={5:0}] [L945] COND TRUE 0 i<2 [L945] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [__global_lock={3:0}, arg={0:0}, arg={0:0}, global=0, i=0, i=1, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=0, t_ids={5:0}] [L945] 0 i++ VAL [__global_lock={3:0}, arg={0:0}, arg={0:0}, global=0, i=0, i=2, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, t_ids={5:0}] [L939] 1 (global)++ VAL [(global)++=0, __global_lock={3:0}, arg={0:0}, arg={0:0}, global=1, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0] [L945] COND FALSE 0 !(i<2) [L947] COND FALSE 0 !(\read(i)) [L949] COND TRUE 0 i+1 VAL [(global)++=0, __global_lock={3:0}, arg={0:0}, arg={0:0}, global=1, i=0, i=2, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0, pthread_mutex_lock(&mutex1)=49, t_ids={5:0}] [L949] CALL 0 __VERIFIER_assert((global) == 0) [L928] COND TRUE 0 !(cond) [L928] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={0:0}, arg={0:0}, cond=0, global=1, mutex1={4:0}, mutex2=0, mutex2=0, mutex2=0, mutex2=0, mutex2=0] - UnprovableResult [Line: 945]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 130 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 7 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=69occurred in iteration=0, InterpolantAutomatonStates: 3, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 153 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.5s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 237 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 525 IncrementalHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 9 mSDtfsCounter, 525 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=305occurred in iteration=5, InterpolantAutomatonStates: 21, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 114 ConstructedInterpolants, 12 QuantifiedInterpolants, 998 SizeOfPredicates, 17 NumberOfNonLiveVariables, 431 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 24/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-08-03 15:17:04,495 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...