./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version da043454 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3a0a18d534b5c74c7f313c135e18ad72f924c260e0f7593009872b066240777 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:10:31,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:10:31,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:10:31,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:10:31,193 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:10:31,217 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:10:31,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:10:31,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:10:31,218 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:10:31,218 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:10:31,219 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:10:31,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:10:31,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:10:31,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:31,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:31,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:31,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:10:31,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:10:31,223 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3a0a18d534b5c74c7f313c135e18ad72f924c260e0f7593009872b066240777 [2025-04-29 11:10:31,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:10:31,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:10:31,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:10:31,440 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:10:31,440 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:10:31,441 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.c [2025-04-29 11:10:32,751 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202ed04bc/d819946a60d14af19b83853ef8c996a5/FLAGab1b7895d [2025-04-29 11:10:32,952 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:10:32,953 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.c [2025-04-29 11:10:32,954 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:32,955 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:32,955 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:32,955 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:32,960 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202ed04bc/d819946a60d14af19b83853ef8c996a5/FLAGab1b7895d [2025-04-29 11:10:33,802 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202ed04bc/d819946a60d14af19b83853ef8c996a5 [2025-04-29 11:10:33,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:10:33,806 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:10:33,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:33,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:10:33,810 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:10:33,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:33" (1/1) ... [2025-04-29 11:10:33,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cfab932 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:33, skipping insertion in model container [2025-04-29 11:10:33,811 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:33" (1/1) ... [2025-04-29 11:10:33,826 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:10:33,992 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:34,001 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:10:34,025 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:34,042 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:10:34,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34 WrapperNode [2025-04-29 11:10:34,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:34,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:34,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:10:34,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:10:34,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,072 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2025-04-29 11:10:34,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:34,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:10:34,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:10:34,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:10:34,079 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,092 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:10:34,093 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:10:34,093 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:10:34,093 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:10:34,094 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (1/1) ... [2025-04-29 11:10:34,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:34,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:10:34,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-29 11:10:34,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2025-04-29 11:10:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:10:34,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:10:34,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:10:34,137 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-29 11:10:34,202 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:10:34,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:10:34,367 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:10:34,368 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:10:34,393 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:10:34,393 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:10:34,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:34 BoogieIcfgContainer [2025-04-29 11:10:34,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:10:34,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:10:34,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:10:34,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:10:34,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:10:33" (1/3) ... [2025-04-29 11:10:34,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b904d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:34, skipping insertion in model container [2025-04-29 11:10:34,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:34" (2/3) ... [2025-04-29 11:10:34,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b904d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:34, skipping insertion in model container [2025-04-29 11:10:34,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:34" (3/3) ... [2025-04-29 11:10:34,401 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.c [2025-04-29 11:10:34,412 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:10:34,413 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-1.c that has 2 procedures, 99 locations, 102 edges, 1 initial locations, 2 loop locations, and 6 error locations. [2025-04-29 11:10:34,414 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:10:34,461 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-29 11:10:34,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 102 places, 103 transitions, 213 flow [2025-04-29 11:10:34,534 INFO L116 PetriNetUnfolderBase]: 5/102 cut-off events. [2025-04-29 11:10:34,536 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:10:34,539 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107 conditions, 102 events. 5/102 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 149 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 54. Up to 2 conditions per place. [2025-04-29 11:10:34,540 INFO L82 GeneralOperation]: Start removeDead. Operand has 102 places, 103 transitions, 213 flow [2025-04-29 11:10:34,543 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 88 transitions, 182 flow [2025-04-29 11:10:34,551 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:10:34,559 INFO L340 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@684cf090, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:10:34,559 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-29 11:10:34,563 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:10:34,563 INFO L116 PetriNetUnfolderBase]: 0/21 cut-off events. [2025-04-29 11:10:34,564 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:34,564 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:34,564 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:34,564 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:10:34,568 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:34,568 INFO L85 PathProgramCache]: Analyzing trace with hash -229157949, now seen corresponding path program 1 times [2025-04-29 11:10:34,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:34,573 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305625090] [2025-04-29 11:10:34,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:34,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:34,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-04-29 11:10:34,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-04-29 11:10:34,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:34,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:34,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:34,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:34,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305625090] [2025-04-29 11:10:34,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305625090] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:34,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:34,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:34,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472363794] [2025-04-29 11:10:34,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:34,696 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:34,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:34,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:34,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:34,756 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 103 [2025-04-29 11:10:34,758 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 88 transitions, 182 flow. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2025-04-29 11:10:34,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:34,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 103 [2025-04-29 11:10:34,760 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:34,835 INFO L116 PetriNetUnfolderBase]: 22/200 cut-off events. [2025-04-29 11:10:34,837 INFO L117 PetriNetUnfolderBase]: For 4/5 co-relation queries the response was YES. [2025-04-29 11:10:34,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 200 events. 22/200 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 628 event pairs, 16 based on Foata normal form. 6/187 useless extension candidates. Maximal degree in co-relation 213. Up to 51 conditions per place. [2025-04-29 11:10:34,840 INFO L140 encePairwiseOnDemand]: 98/103 looper letters, 14 selfloop transitions, 2 changer transitions 0/84 dead transitions. [2025-04-29 11:10:34,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 84 transitions, 206 flow [2025-04-29 11:10:34,842 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:34,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:34,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 256 transitions. [2025-04-29 11:10:34,856 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8284789644012945 [2025-04-29 11:10:34,857 INFO L175 Difference]: Start difference. First operand has 88 places, 88 transitions, 182 flow. Second operand 3 states and 256 transitions. [2025-04-29 11:10:34,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 84 transitions, 206 flow [2025-04-29 11:10:34,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 84 transitions, 202 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:34,866 INFO L231 Difference]: Finished difference. Result has 86 places, 84 transitions, 174 flow [2025-04-29 11:10:34,868 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=86, PETRI_TRANSITIONS=84} [2025-04-29 11:10:34,872 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, -2 predicate places. [2025-04-29 11:10:34,872 INFO L485 AbstractCegarLoop]: Abstraction has has 86 places, 84 transitions, 174 flow [2025-04-29 11:10:34,873 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 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) [2025-04-29 11:10:34,873 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:34,873 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:34,873 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:10:34,874 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:10:34,874 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:34,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1805186635, now seen corresponding path program 1 times [2025-04-29 11:10:34,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:34,874 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870872244] [2025-04-29 11:10:34,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:34,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:34,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-29 11:10:34,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-29 11:10:34,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:34,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:34,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:34,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:34,941 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870872244] [2025-04-29 11:10:34,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870872244] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:34,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:34,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:34,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052151648] [2025-04-29 11:10:34,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:34,943 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:34,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:34,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:34,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:34,966 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 103 [2025-04-29 11:10:34,966 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 84 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2025-04-29 11:10:34,966 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:34,966 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 103 [2025-04-29 11:10:34,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:35,046 INFO L116 PetriNetUnfolderBase]: 50/300 cut-off events. [2025-04-29 11:10:35,046 INFO L117 PetriNetUnfolderBase]: For 2/3 co-relation queries the response was YES. [2025-04-29 11:10:35,050 INFO L83 FinitePrefix]: Finished finitePrefix Result has 415 conditions, 300 events. 50/300 cut-off events. For 2/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 1241 event pairs, 15 based on Foata normal form. 1/269 useless extension candidates. Maximal degree in co-relation 386. Up to 61 conditions per place. [2025-04-29 11:10:35,052 INFO L140 encePairwiseOnDemand]: 93/103 looper letters, 18 selfloop transitions, 6 changer transitions 3/93 dead transitions. [2025-04-29 11:10:35,052 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 244 flow [2025-04-29 11:10:35,053 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:35,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:35,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 266 transitions. [2025-04-29 11:10:35,055 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.86084142394822 [2025-04-29 11:10:35,055 INFO L175 Difference]: Start difference. First operand has 86 places, 84 transitions, 174 flow. Second operand 3 states and 266 transitions. [2025-04-29 11:10:35,055 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 244 flow [2025-04-29 11:10:35,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 93 transitions, 240 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:35,058 INFO L231 Difference]: Finished difference. Result has 87 places, 86 transitions, 213 flow [2025-04-29 11:10:35,058 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=213, PETRI_PLACES=87, PETRI_TRANSITIONS=86} [2025-04-29 11:10:35,059 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, -1 predicate places. [2025-04-29 11:10:35,059 INFO L485 AbstractCegarLoop]: Abstraction has has 87 places, 86 transitions, 213 flow [2025-04-29 11:10:35,059 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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) [2025-04-29 11:10:35,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:35,059 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:35,059 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:10:35,059 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:10:35,060 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:35,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1843107795, now seen corresponding path program 1 times [2025-04-29 11:10:35,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:35,060 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177587328] [2025-04-29 11:10:35,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:35,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-29 11:10:35,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-29 11:10:35,072 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:35,073 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:35,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:35,106 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177587328] [2025-04-29 11:10:35,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177587328] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:35,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:35,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:35,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267824916] [2025-04-29 11:10:35,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:35,107 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:35,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:35,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:35,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:35,151 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 79 out of 103 [2025-04-29 11:10:35,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 86 transitions, 213 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2025-04-29 11:10:35,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:35,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 79 of 103 [2025-04-29 11:10:35,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:35,219 INFO L116 PetriNetUnfolderBase]: 77/390 cut-off events. [2025-04-29 11:10:35,219 INFO L117 PetriNetUnfolderBase]: For 122/130 co-relation queries the response was YES. [2025-04-29 11:10:35,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 665 conditions, 390 events. 77/390 cut-off events. For 122/130 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1838 event pairs, 23 based on Foata normal form. 2/347 useless extension candidates. Maximal degree in co-relation 90. Up to 123 conditions per place. [2025-04-29 11:10:35,223 INFO L140 encePairwiseOnDemand]: 97/103 looper letters, 19 selfloop transitions, 7 changer transitions 0/93 dead transitions. [2025-04-29 11:10:35,223 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 93 transitions, 289 flow [2025-04-29 11:10:35,224 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:35,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2025-04-29 11:10:35,225 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8381877022653722 [2025-04-29 11:10:35,226 INFO L175 Difference]: Start difference. First operand has 87 places, 86 transitions, 213 flow. Second operand 3 states and 259 transitions. [2025-04-29 11:10:35,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 93 transitions, 289 flow [2025-04-29 11:10:35,227 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 93 transitions, 273 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:35,229 INFO L231 Difference]: Finished difference. Result has 86 places, 91 transitions, 257 flow [2025-04-29 11:10:35,229 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=201, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=257, PETRI_PLACES=86, PETRI_TRANSITIONS=91} [2025-04-29 11:10:35,230 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, -2 predicate places. [2025-04-29 11:10:35,230 INFO L485 AbstractCegarLoop]: Abstraction has has 86 places, 91 transitions, 257 flow [2025-04-29 11:10:35,231 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2025-04-29 11:10:35,231 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:35,231 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:35,231 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:10:35,231 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:10:35,232 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:35,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2007602101, now seen corresponding path program 1 times [2025-04-29 11:10:35,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:35,232 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343706482] [2025-04-29 11:10:35,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:35,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:35,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-04-29 11:10:35,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-04-29 11:10:35,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:35,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:35,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:35,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:35,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343706482] [2025-04-29 11:10:35,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343706482] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:35,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:35,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:35,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724682985] [2025-04-29 11:10:35,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:35,291 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:35,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:35,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:35,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:35,321 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 81 out of 103 [2025-04-29 11:10:35,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 91 transitions, 257 flow. Second operand has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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) [2025-04-29 11:10:35,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:35,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 81 of 103 [2025-04-29 11:10:35,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:35,397 INFO L116 PetriNetUnfolderBase]: 91/451 cut-off events. [2025-04-29 11:10:35,397 INFO L117 PetriNetUnfolderBase]: For 230/235 co-relation queries the response was YES. [2025-04-29 11:10:35,398 INFO L83 FinitePrefix]: Finished finitePrefix Result has 847 conditions, 451 events. 91/451 cut-off events. For 230/235 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2276 event pairs, 23 based on Foata normal form. 2/415 useless extension candidates. Maximal degree in co-relation 302. Up to 142 conditions per place. [2025-04-29 11:10:35,401 INFO L140 encePairwiseOnDemand]: 97/103 looper letters, 19 selfloop transitions, 9 changer transitions 0/98 dead transitions. [2025-04-29 11:10:35,401 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 98 transitions, 341 flow [2025-04-29 11:10:35,401 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:35,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 264 transitions. [2025-04-29 11:10:35,402 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8543689320388349 [2025-04-29 11:10:35,402 INFO L175 Difference]: Start difference. First operand has 86 places, 91 transitions, 257 flow. Second operand 3 states and 264 transitions. [2025-04-29 11:10:35,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 98 transitions, 341 flow [2025-04-29 11:10:35,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 98 transitions, 323 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:35,406 INFO L231 Difference]: Finished difference. Result has 88 places, 96 transitions, 311 flow [2025-04-29 11:10:35,406 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=311, PETRI_PLACES=88, PETRI_TRANSITIONS=96} [2025-04-29 11:10:35,406 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, 0 predicate places. [2025-04-29 11:10:35,406 INFO L485 AbstractCegarLoop]: Abstraction has has 88 places, 96 transitions, 311 flow [2025-04-29 11:10:35,407 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.33333333333333) internal successors, (250), 3 states have internal predecessors, (250), 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) [2025-04-29 11:10:35,407 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:35,407 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:35,407 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:10:35,407 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:10:35,407 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:35,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1387445808, now seen corresponding path program 1 times [2025-04-29 11:10:35,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:35,409 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389407222] [2025-04-29 11:10:35,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:35,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:35,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-29 11:10:35,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-29 11:10:35,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:35,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-29 11:10:35,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:35,563 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389407222] [2025-04-29 11:10:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389407222] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:35,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:35,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 11:10:35,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195948978] [2025-04-29 11:10:35,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:35,564 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:35,564 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:35,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:35,570 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 103 [2025-04-29 11:10:35,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 96 transitions, 311 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-04-29 11:10:35,571 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:35,571 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 103 [2025-04-29 11:10:35,571 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:35,589 INFO L116 PetriNetUnfolderBase]: 4/109 cut-off events. [2025-04-29 11:10:35,589 INFO L117 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES. [2025-04-29 11:10:35,589 INFO L83 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 109 events. 4/109 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 104 event pairs, 1 based on Foata normal form. 2/107 useless extension candidates. Maximal degree in co-relation 99. Up to 8 conditions per place. [2025-04-29 11:10:35,589 INFO L140 encePairwiseOnDemand]: 99/103 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2025-04-29 11:10:35,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 76 transitions, 201 flow [2025-04-29 11:10:35,590 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:35,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:35,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 278 transitions. [2025-04-29 11:10:35,591 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8996763754045307 [2025-04-29 11:10:35,591 INFO L175 Difference]: Start difference. First operand has 88 places, 96 transitions, 311 flow. Second operand 3 states and 278 transitions. [2025-04-29 11:10:35,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 76 transitions, 201 flow [2025-04-29 11:10:35,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 76 transitions, 165 flow, removed 8 selfloop flow, removed 8 redundant places. [2025-04-29 11:10:35,593 INFO L231 Difference]: Finished difference. Result has 78 places, 0 transitions, 0 flow [2025-04-29 11:10:35,593 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=103, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=78, PETRI_TRANSITIONS=0} [2025-04-29 11:10:35,594 INFO L279 CegarLoopForPetriNet]: 88 programPoint places, -10 predicate places. [2025-04-29 11:10:35,595 INFO L485 AbstractCegarLoop]: Abstraction has has 78 places, 0 transitions, 0 flow [2025-04-29 11:10:35,596 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2025-04-29 11:10:35,597 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-04-29 11:10:35,597 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-04-29 11:10:35,597 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-04-29 11:10:35,598 INFO L790 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-04-29 11:10:35,601 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-29 11:10:35,601 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-29 11:10:35,604 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:10:35,605 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:10:35,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:10:35 BasicIcfg [2025-04-29 11:10:35,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:10:35,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:10:35,612 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:10:35,612 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:10:35,612 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:34" (3/4) ... [2025-04-29 11:10:35,613 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:10:35,615 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread_function_mutex [2025-04-29 11:10:35,618 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-04-29 11:10:35,618 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-29 11:10:35,618 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-04-29 11:10:35,670 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:10:35,670 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:10:35,670 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:10:35,671 INFO L158 Benchmark]: Toolchain (without parser) took 1865.43ms. Allocated memory is still 201.3MB. Free memory was 159.9MB in the beginning and 114.0MB in the end (delta: 45.9MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2025-04-29 11:10:35,671 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:35,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.47ms. Allocated memory is still 201.3MB. Free memory was 159.6MB in the beginning and 145.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:35,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 201.3MB. Free memory was 145.7MB in the beginning and 144.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:35,673 INFO L158 Benchmark]: Boogie Preprocessor took 18.27ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 143.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:35,673 INFO L158 Benchmark]: RCFGBuilder took 301.17ms. Allocated memory is still 201.3MB. Free memory was 143.1MB in the beginning and 128.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:35,674 INFO L158 Benchmark]: TraceAbstraction took 1215.53ms. Allocated memory is still 201.3MB. Free memory was 128.4MB in the beginning and 119.4MB in the end (delta: 8.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:35,674 INFO L158 Benchmark]: Witness Printer took 58.91ms. Allocated memory is still 201.3MB. Free memory was 119.4MB in the beginning and 114.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:35,675 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.47ms. Allocated memory is still 201.3MB. Free memory was 159.6MB in the beginning and 145.7MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 201.3MB. Free memory was 145.7MB in the beginning and 144.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.27ms. Allocated memory is still 201.3MB. Free memory was 144.2MB in the beginning and 143.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.17ms. Allocated memory is still 201.3MB. Free memory was 143.1MB in the beginning and 128.9MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1215.53ms. Allocated memory is still 201.3MB. Free memory was 128.4MB in the beginning and 119.4MB in the end (delta: 8.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Witness Printer took 58.91ms. Allocated memory is still 201.3MB. Free memory was 119.4MB in the beginning and 114.0MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 40]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 128 locations, 133 edges, 9 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: 1.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 9 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=4, InterpolantAutomatonStates: 15, 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, 0.3s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 241 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:10:35,689 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE