./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.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/goblint-regression/13-privatized_24-multiple-protecting_true.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 5f231ba05223646672adafb3b421e976035c1ce39519db87767c7837ed19f18a --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:10:01,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:10:01,192 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:10:01,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:10:01,198 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:10:01,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:10:01,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:10:01,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:10:01,219 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:10:01,219 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:10:01,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:10:01,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:10:01,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:10:01,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:01,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:01,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:10:01,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:10:01,222 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:10:01,222 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 -> 5f231ba05223646672adafb3b421e976035c1ce39519db87767c7837ed19f18a [2025-04-29 11:10:01,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:10:01,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:10:01,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:10:01,424 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:10:01,424 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:10:01,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.c [2025-04-29 11:10:02,736 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0087b3576/23968f3c855a417ab9d5fb6d63fe44ba/FLAGc0cb114ef [2025-04-29 11:10:02,947 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:10:02,973 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_24-multiple-protecting_true.c [2025-04-29 11:10:02,980 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:02,981 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:10:02,991 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0087b3576/23968f3c855a417ab9d5fb6d63fe44ba/FLAGc0cb114ef [2025-04-29 11:10:03,937 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0087b3576/23968f3c855a417ab9d5fb6d63fe44ba [2025-04-29 11:10:03,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:10:03,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:10:03,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:03,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:10:03,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:10:03,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:03" (1/1) ... [2025-04-29 11:10:03,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1826f08b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:03, skipping insertion in model container [2025-04-29 11:10:03,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:10:03" (1/1) ... [2025-04-29 11:10:03,957 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:10:04,079 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:04,087 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:10:04,110 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:10:04,120 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:10:04,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04 WrapperNode [2025-04-29 11:10:04,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:10:04,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:04,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:10:04,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:10:04,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,150 INFO L138 Inliner]: procedures = 14, calls = 38, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 97 [2025-04-29 11:10:04,151 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:10:04,151 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:10:04,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:10:04,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:10:04,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,157 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,161 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,163 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:10:04,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:10:04,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:10:04,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:10:04,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (1/1) ... [2025-04-29 11:10:04,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:10:04,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:10:04,199 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 11:10:04,203 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 11:10:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:10:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:10:04,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:10:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:10:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:10:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:10:04,222 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:10:04,222 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:10:04,223 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 11:10:04,299 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:10:04,300 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:10:04,570 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:10:04,570 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:10:04,615 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:10:04,615 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:10:04,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:04 BoogieIcfgContainer [2025-04-29 11:10:04,616 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:10:04,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:10:04,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:10:04,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:10:04,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:10:03" (1/3) ... [2025-04-29 11:10:04,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160ff174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:04, skipping insertion in model container [2025-04-29 11:10:04,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:10:04" (2/3) ... [2025-04-29 11:10:04,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160ff174 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:10:04, skipping insertion in model container [2025-04-29 11:10:04,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:04" (3/3) ... [2025-04-29 11:10:04,624 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.c [2025-04-29 11:10:04,634 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:10:04,636 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_24-multiple-protecting_true.c that has 2 procedures, 168 locations, 170 edges, 1 initial locations, 0 loop locations, and 12 error locations. [2025-04-29 11:10:04,636 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:10:04,706 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-29 11:10:04,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 171 places, 171 transitions, 349 flow [2025-04-29 11:10:04,803 INFO L116 PetriNetUnfolderBase]: 4/170 cut-off events. [2025-04-29 11:10:04,804 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:10:04,807 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 170 events. 4/170 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 189 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2025-04-29 11:10:04,807 INFO L82 GeneralOperation]: Start removeDead. Operand has 171 places, 171 transitions, 349 flow [2025-04-29 11:10:04,810 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 165 places, 165 transitions, 333 flow [2025-04-29 11:10:04,818 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:10:04,831 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;@6fc908a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:10:04,833 INFO L341 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2025-04-29 11:10:04,844 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:10:04,846 INFO L116 PetriNetUnfolderBase]: 0/32 cut-off events. [2025-04-29 11:10:04,847 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:10:04,847 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:04,847 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] [2025-04-29 11:10:04,848 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:04,851 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:04,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1641272165, now seen corresponding path program 1 times [2025-04-29 11:10:04,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:04,857 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656675444] [2025-04-29 11:10:04,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:04,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:04,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-29 11:10:04,926 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-29 11:10:04,926 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:04,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:04,992 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 11:10:04,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:04,994 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656675444] [2025-04-29 11:10:04,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656675444] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:04,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:04,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:04,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284620921] [2025-04-29 11:10:04,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:05,002 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:05,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:05,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:05,062 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 171 [2025-04-29 11:10:05,065 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 165 transitions, 333 flow. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 11:10:05,066 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:05,066 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 171 [2025-04-29 11:10:05,067 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:05,519 INFO L116 PetriNetUnfolderBase]: 521/2725 cut-off events. [2025-04-29 11:10:05,519 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:10:05,525 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3846 conditions, 2725 events. 521/2725 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 21561 event pairs, 104 based on Foata normal form. 118/2569 useless extension candidates. Maximal degree in co-relation 3820. Up to 662 conditions per place. [2025-04-29 11:10:05,534 INFO L140 encePairwiseOnDemand]: 152/171 looper letters, 62 selfloop transitions, 10 changer transitions 0/187 dead transitions. [2025-04-29 11:10:05,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 187 transitions, 521 flow [2025-04-29 11:10:05,536 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:05,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 445 transitions. [2025-04-29 11:10:05,548 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8674463937621832 [2025-04-29 11:10:05,550 INFO L175 Difference]: Start difference. First operand has 165 places, 165 transitions, 333 flow. Second operand 3 states and 445 transitions. [2025-04-29 11:10:05,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 187 transitions, 521 flow [2025-04-29 11:10:05,557 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 160 places, 187 transitions, 520 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:10:05,563 INFO L231 Difference]: Finished difference. Result has 162 places, 163 transitions, 390 flow [2025-04-29 11:10:05,564 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=390, PETRI_PLACES=162, PETRI_TRANSITIONS=163} [2025-04-29 11:10:05,567 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, -3 predicate places. [2025-04-29 11:10:05,568 INFO L485 AbstractCegarLoop]: Abstraction has has 162 places, 163 transitions, 390 flow [2025-04-29 11:10:05,569 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 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 11:10:05,569 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:05,569 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] [2025-04-29 11:10:05,569 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:10:05,569 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:05,570 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:05,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1587362574, now seen corresponding path program 1 times [2025-04-29 11:10:05,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:05,570 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917655298] [2025-04-29 11:10:05,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:05,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:05,576 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-04-29 11:10:05,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-04-29 11:10:05,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:05,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:05,624 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 11:10:05,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:05,625 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917655298] [2025-04-29 11:10:05,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917655298] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:05,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:05,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:05,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198305000] [2025-04-29 11:10:05,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:05,626 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:05,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:05,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:05,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:05,658 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 171 [2025-04-29 11:10:05,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 162 places, 163 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 11:10:05,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:05,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 171 [2025-04-29 11:10:05,660 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:05,939 INFO L116 PetriNetUnfolderBase]: 506/2729 cut-off events. [2025-04-29 11:10:05,940 INFO L117 PetriNetUnfolderBase]: For 385/389 co-relation queries the response was YES. [2025-04-29 11:10:05,944 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4193 conditions, 2729 events. 506/2729 cut-off events. For 385/389 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 21568 event pairs, 355 based on Foata normal form. 4/2456 useless extension candidates. Maximal degree in co-relation 4166. Up to 979 conditions per place. [2025-04-29 11:10:05,951 INFO L140 encePairwiseOnDemand]: 164/171 looper letters, 52 selfloop transitions, 8 changer transitions 0/182 dead transitions. [2025-04-29 11:10:05,951 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 182 transitions, 564 flow [2025-04-29 11:10:05,952 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:05,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:05,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 432 transitions. [2025-04-29 11:10:05,955 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8421052631578947 [2025-04-29 11:10:05,955 INFO L175 Difference]: Start difference. First operand has 162 places, 163 transitions, 390 flow. Second operand 3 states and 432 transitions. [2025-04-29 11:10:05,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 164 places, 182 transitions, 564 flow [2025-04-29 11:10:05,957 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 182 transitions, 538 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:05,960 INFO L231 Difference]: Finished difference. Result has 164 places, 170 transitions, 442 flow [2025-04-29 11:10:05,961 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=442, PETRI_PLACES=164, PETRI_TRANSITIONS=170} [2025-04-29 11:10:05,962 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, -1 predicate places. [2025-04-29 11:10:05,962 INFO L485 AbstractCegarLoop]: Abstraction has has 164 places, 170 transitions, 442 flow [2025-04-29 11:10:05,962 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.33333333333334) internal successors, (385), 3 states have internal predecessors, (385), 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 11:10:05,963 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:05,963 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] [2025-04-29 11:10:05,963 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:10:05,963 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:05,963 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:05,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1276745922, now seen corresponding path program 1 times [2025-04-29 11:10:05,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:05,965 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696278624] [2025-04-29 11:10:05,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:05,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:05,974 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-29 11:10:05,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-29 11:10:05,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:05,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:06,189 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 11:10:06,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:06,190 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696278624] [2025-04-29 11:10:06,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696278624] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:06,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:06,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-29 11:10:06,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143251254] [2025-04-29 11:10:06,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:06,190 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-29 11:10:06,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:06,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-29 11:10:06,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-29 11:10:06,202 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 171 [2025-04-29 11:10:06,203 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 170 transitions, 442 flow. Second operand has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 11:10:06,203 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:06,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 171 [2025-04-29 11:10:06,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:06,404 INFO L116 PetriNetUnfolderBase]: 141/1239 cut-off events. [2025-04-29 11:10:06,404 INFO L117 PetriNetUnfolderBase]: For 60/63 co-relation queries the response was YES. [2025-04-29 11:10:06,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 1239 events. 141/1239 cut-off events. For 60/63 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8108 event pairs, 53 based on Foata normal form. 13/1152 useless extension candidates. Maximal degree in co-relation 1724. Up to 175 conditions per place. [2025-04-29 11:10:06,409 INFO L140 encePairwiseOnDemand]: 163/171 looper letters, 39 selfloop transitions, 8 changer transitions 2/182 dead transitions. [2025-04-29 11:10:06,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 182 transitions, 526 flow [2025-04-29 11:10:06,409 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 11:10:06,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-29 11:10:06,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 726 transitions. [2025-04-29 11:10:06,411 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8491228070175438 [2025-04-29 11:10:06,411 INFO L175 Difference]: Start difference. First operand has 164 places, 170 transitions, 442 flow. Second operand 5 states and 726 transitions. [2025-04-29 11:10:06,412 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 182 transitions, 526 flow [2025-04-29 11:10:06,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 182 transitions, 508 flow, removed 5 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:06,416 INFO L231 Difference]: Finished difference. Result has 165 places, 163 transitions, 400 flow [2025-04-29 11:10:06,416 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=400, PETRI_PLACES=165, PETRI_TRANSITIONS=163} [2025-04-29 11:10:06,419 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 0 predicate places. [2025-04-29 11:10:06,419 INFO L485 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 400 flow [2025-04-29 11:10:06,420 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 11:10:06,420 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:06,420 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] [2025-04-29 11:10:06,420 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:10:06,420 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:06,421 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:06,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1765091311, now seen corresponding path program 1 times [2025-04-29 11:10:06,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:06,421 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649071785] [2025-04-29 11:10:06,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:06,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-04-29 11:10:06,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-04-29 11:10:06,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:06,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:06,463 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 11:10:06,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:06,464 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649071785] [2025-04-29 11:10:06,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649071785] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:06,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:06,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:06,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659683863] [2025-04-29 11:10:06,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:06,464 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:06,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:06,465 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:06,465 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:06,491 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 171 [2025-04-29 11:10:06,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 11:10:06,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:06,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 171 [2025-04-29 11:10:06,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:06,632 INFO L116 PetriNetUnfolderBase]: 206/1375 cut-off events. [2025-04-29 11:10:06,632 INFO L117 PetriNetUnfolderBase]: For 238/238 co-relation queries the response was YES. [2025-04-29 11:10:06,634 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2203 conditions, 1375 events. 206/1375 cut-off events. For 238/238 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 9390 event pairs, 161 based on Foata normal form. 0/1264 useless extension candidates. Maximal degree in co-relation 2172. Up to 482 conditions per place. [2025-04-29 11:10:06,637 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 45 selfloop transitions, 4 changer transitions 0/169 dead transitions. [2025-04-29 11:10:06,637 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 169 transitions, 517 flow [2025-04-29 11:10:06,637 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 421 transitions. [2025-04-29 11:10:06,640 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8206627680311891 [2025-04-29 11:10:06,640 INFO L175 Difference]: Start difference. First operand has 165 places, 163 transitions, 400 flow. Second operand 3 states and 421 transitions. [2025-04-29 11:10:06,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 169 transitions, 517 flow [2025-04-29 11:10:06,642 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 169 transitions, 514 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:06,645 INFO L231 Difference]: Finished difference. Result has 167 places, 166 transitions, 431 flow [2025-04-29 11:10:06,645 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=167, PETRI_TRANSITIONS=166} [2025-04-29 11:10:06,646 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 2 predicate places. [2025-04-29 11:10:06,646 INFO L485 AbstractCegarLoop]: Abstraction has has 167 places, 166 transitions, 431 flow [2025-04-29 11:10:06,647 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 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 11:10:06,647 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:06,647 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, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:06,647 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:10:06,647 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:06,648 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:06,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1166064760, now seen corresponding path program 1 times [2025-04-29 11:10:06,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:06,648 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661993872] [2025-04-29 11:10:06,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:06,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-04-29 11:10:06,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-04-29 11:10:06,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:06,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:06,701 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 11:10:06,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:06,701 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661993872] [2025-04-29 11:10:06,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661993872] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:06,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:06,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:06,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735710176] [2025-04-29 11:10:06,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:06,701 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:06,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:06,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:06,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:06,716 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 171 [2025-04-29 11:10:06,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 166 transitions, 431 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 11:10:06,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:06,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 171 [2025-04-29 11:10:06,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:06,891 INFO L116 PetriNetUnfolderBase]: 311/1848 cut-off events. [2025-04-29 11:10:06,891 INFO L117 PetriNetUnfolderBase]: For 215/218 co-relation queries the response was YES. [2025-04-29 11:10:06,893 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2928 conditions, 1848 events. 311/1848 cut-off events. For 215/218 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 13342 event pairs, 131 based on Foata normal form. 0/1719 useless extension candidates. Maximal degree in co-relation 2897. Up to 409 conditions per place. [2025-04-29 11:10:06,896 INFO L140 encePairwiseOnDemand]: 162/171 looper letters, 57 selfloop transitions, 6 changer transitions 3/193 dead transitions. [2025-04-29 11:10:06,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 193 transitions, 636 flow [2025-04-29 11:10:06,896 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 443 transitions. [2025-04-29 11:10:06,897 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8635477582846004 [2025-04-29 11:10:06,897 INFO L175 Difference]: Start difference. First operand has 167 places, 166 transitions, 431 flow. Second operand 3 states and 443 transitions. [2025-04-29 11:10:06,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 193 transitions, 636 flow [2025-04-29 11:10:06,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 193 transitions, 626 flow, removed 1 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:06,900 INFO L231 Difference]: Finished difference. Result has 167 places, 168 transitions, 459 flow [2025-04-29 11:10:06,900 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=417, PETRI_DIFFERENCE_MINUEND_PLACES=163, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=158, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=459, PETRI_PLACES=167, PETRI_TRANSITIONS=168} [2025-04-29 11:10:06,901 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 2 predicate places. [2025-04-29 11:10:06,901 INFO L485 AbstractCegarLoop]: Abstraction has has 167 places, 168 transitions, 459 flow [2025-04-29 11:10:06,901 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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 11:10:06,901 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:06,901 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:06,902 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-29 11:10:06,902 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:06,902 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:06,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1786103395, now seen corresponding path program 1 times [2025-04-29 11:10:06,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:06,902 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095201011] [2025-04-29 11:10:06,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:06,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:06,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-04-29 11:10:06,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-04-29 11:10:06,914 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:06,914 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:06,937 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 11:10:06,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:06,937 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095201011] [2025-04-29 11:10:06,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095201011] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:06,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:06,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:06,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976200843] [2025-04-29 11:10:06,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:06,938 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:06,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:06,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:06,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:06,956 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 171 [2025-04-29 11:10:06,957 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 168 transitions, 459 flow. Second operand has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 11:10:06,957 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:06,957 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 171 [2025-04-29 11:10:06,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:07,175 INFO L116 PetriNetUnfolderBase]: 342/1906 cut-off events. [2025-04-29 11:10:07,175 INFO L117 PetriNetUnfolderBase]: For 442/445 co-relation queries the response was YES. [2025-04-29 11:10:07,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3252 conditions, 1906 events. 342/1906 cut-off events. For 442/445 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 14000 event pairs, 231 based on Foata normal form. 0/1772 useless extension candidates. Maximal degree in co-relation 3220. Up to 667 conditions per place. [2025-04-29 11:10:07,182 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 51 selfloop transitions, 4 changer transitions 0/183 dead transitions. [2025-04-29 11:10:07,182 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 183 transitions, 611 flow [2025-04-29 11:10:07,182 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:07,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2025-04-29 11:10:07,183 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8460038986354775 [2025-04-29 11:10:07,183 INFO L175 Difference]: Start difference. First operand has 167 places, 168 transitions, 459 flow. Second operand 3 states and 434 transitions. [2025-04-29 11:10:07,183 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 183 transitions, 611 flow [2025-04-29 11:10:07,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 183 transitions, 597 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:07,188 INFO L231 Difference]: Finished difference. Result has 169 places, 171 transitions, 479 flow [2025-04-29 11:10:07,188 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=447, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=168, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=479, PETRI_PLACES=169, PETRI_TRANSITIONS=171} [2025-04-29 11:10:07,189 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 4 predicate places. [2025-04-29 11:10:07,189 INFO L485 AbstractCegarLoop]: Abstraction has has 169 places, 171 transitions, 479 flow [2025-04-29 11:10:07,190 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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 11:10:07,190 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:07,190 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, 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 11:10:07,190 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-29 11:10:07,190 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:07,191 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:07,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1918356672, now seen corresponding path program 1 times [2025-04-29 11:10:07,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:07,191 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957988268] [2025-04-29 11:10:07,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:07,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:07,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-04-29 11:10:07,207 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-04-29 11:10:07,208 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:07,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:07,250 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 11:10:07,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:07,250 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957988268] [2025-04-29 11:10:07,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957988268] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:07,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:07,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:10:07,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409523577] [2025-04-29 11:10:07,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:07,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:10:07,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:07,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:10:07,251 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:10:07,269 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 171 [2025-04-29 11:10:07,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 169 places, 171 transitions, 479 flow. Second operand has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 11:10:07,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:07,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 171 [2025-04-29 11:10:07,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:07,494 INFO L116 PetriNetUnfolderBase]: 350/2026 cut-off events. [2025-04-29 11:10:07,494 INFO L117 PetriNetUnfolderBase]: For 454/457 co-relation queries the response was YES. [2025-04-29 11:10:07,497 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3446 conditions, 2026 events. 350/2026 cut-off events. For 454/457 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 15288 event pairs, 232 based on Foata normal form. 0/1897 useless extension candidates. Maximal degree in co-relation 3413. Up to 691 conditions per place. [2025-04-29 11:10:07,501 INFO L140 encePairwiseOnDemand]: 166/171 looper letters, 45 selfloop transitions, 3 changer transitions 12/186 dead transitions. [2025-04-29 11:10:07,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 171 places, 186 transitions, 633 flow [2025-04-29 11:10:07,501 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:10:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:10:07,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2025-04-29 11:10:07,504 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8460038986354775 [2025-04-29 11:10:07,504 INFO L175 Difference]: Start difference. First operand has 169 places, 171 transitions, 479 flow. Second operand 3 states and 434 transitions. [2025-04-29 11:10:07,504 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 171 places, 186 transitions, 633 flow [2025-04-29 11:10:07,507 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 169 places, 186 transitions, 625 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:10:07,508 INFO L231 Difference]: Finished difference. Result has 171 places, 167 transitions, 475 flow [2025-04-29 11:10:07,508 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=471, PETRI_DIFFERENCE_MINUEND_PLACES=167, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=168, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=475, PETRI_PLACES=171, PETRI_TRANSITIONS=167} [2025-04-29 11:10:07,509 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, 6 predicate places. [2025-04-29 11:10:07,510 INFO L485 AbstractCegarLoop]: Abstraction has has 171 places, 167 transitions, 475 flow [2025-04-29 11:10:07,510 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.66666666666666) internal successors, (401), 3 states have internal predecessors, (401), 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 11:10:07,510 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:10:07,510 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, 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 11:10:07,511 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-29 11:10:07,511 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2025-04-29 11:10:07,511 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:10:07,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1257052396, now seen corresponding path program 1 times [2025-04-29 11:10:07,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:10:07,513 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355039713] [2025-04-29 11:10:07,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:10:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:10:07,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-29 11:10:07,540 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-29 11:10:07,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:10:07,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:10:07,716 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 11:10:07,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:10:07,717 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355039713] [2025-04-29 11:10:07,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355039713] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:10:07,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:10:07,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-29 11:10:07,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336755783] [2025-04-29 11:10:07,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:10:07,718 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-29 11:10:07,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:10:07,718 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-29 11:10:07,718 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-04-29 11:10:07,736 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 171 [2025-04-29 11:10:07,737 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 167 transitions, 475 flow. Second operand has 6 states, 6 states have (on average 137.5) internal successors, (825), 6 states have internal predecessors, (825), 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 11:10:07,737 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:10:07,737 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 171 [2025-04-29 11:10:07,737 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:10:07,898 INFO L116 PetriNetUnfolderBase]: 85/1180 cut-off events. [2025-04-29 11:10:07,898 INFO L117 PetriNetUnfolderBase]: For 217/217 co-relation queries the response was YES. [2025-04-29 11:10:07,899 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1886 conditions, 1180 events. 85/1180 cut-off events. For 217/217 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 7123 event pairs, 40 based on Foata normal form. 26/1168 useless extension candidates. Maximal degree in co-relation 1850. Up to 177 conditions per place. [2025-04-29 11:10:07,902 INFO L140 encePairwiseOnDemand]: 151/171 looper letters, 0 selfloop transitions, 0 changer transitions 168/168 dead transitions. [2025-04-29 11:10:07,902 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 168 transitions, 547 flow [2025-04-29 11:10:07,903 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-29 11:10:07,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-04-29 11:10:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 724 transitions. [2025-04-29 11:10:07,905 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8467836257309942 [2025-04-29 11:10:07,905 INFO L175 Difference]: Start difference. First operand has 171 places, 167 transitions, 475 flow. Second operand 5 states and 724 transitions. [2025-04-29 11:10:07,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 168 transitions, 547 flow [2025-04-29 11:10:07,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 168 transitions, 505 flow, removed 11 selfloop flow, removed 10 redundant places. [2025-04-29 11:10:07,907 INFO L231 Difference]: Finished difference. Result has 159 places, 0 transitions, 0 flow [2025-04-29 11:10:07,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=361, PETRI_DIFFERENCE_MINUEND_PLACES=155, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=152, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=159, PETRI_TRANSITIONS=0} [2025-04-29 11:10:07,909 INFO L279 CegarLoopForPetriNet]: 165 programPoint places, -6 predicate places. [2025-04-29 11:10:07,909 INFO L485 AbstractCegarLoop]: Abstraction has has 159 places, 0 transitions, 0 flow [2025-04-29 11:10:07,910 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 137.5) internal successors, (825), 6 states have internal predecessors, (825), 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 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2025-04-29 11:10:07,912 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2025-04-29 11:10:07,913 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2025-04-29 11:10:07,913 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-29 11:10:07,913 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:10:07,919 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:10:07,919 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:10:07,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:10:07 BasicIcfg [2025-04-29 11:10:07,924 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:10:07,925 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:10:07,925 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:10:07,925 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:10:07,926 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:10:04" (3/4) ... [2025-04-29 11:10:07,927 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:10:07,928 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-29 11:10:07,931 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:10:07,931 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:07,931 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:10:07,982 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:10:07,982 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:10:07,982 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:10:07,983 INFO L158 Benchmark]: Toolchain (without parser) took 4042.57ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 123.6MB in the beginning and 294.8MB in the end (delta: -171.2MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2025-04-29 11:10:07,983 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 201.3MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:07,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.45ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 109.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:10:07,984 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.98ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:07,985 INFO L158 Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:10:07,985 INFO L158 Benchmark]: RCFGBuilder took 440.94ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 83.9MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-04-29 11:10:07,985 INFO L158 Benchmark]: TraceAbstraction took 3306.89ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 83.9MB in the beginning and 303.2MB in the end (delta: -219.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2025-04-29 11:10:07,985 INFO L158 Benchmark]: Witness Printer took 57.51ms. Allocated memory is still 411.0MB. Free memory was 303.2MB in the beginning and 294.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:10:07,986 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 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.45ms. Allocated memory is still 167.8MB. Free memory was 123.6MB in the beginning and 109.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.98ms. Allocated memory is still 167.8MB. Free memory was 109.0MB in the beginning and 107.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.36ms. Allocated memory is still 167.8MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 440.94ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 83.9MB in the end (delta: 22.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3306.89ms. Allocated memory was 167.8MB in the beginning and 411.0MB in the end (delta: 243.3MB). Free memory was 83.9MB in the beginning and 303.2MB in the end (delta: -219.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 57.51ms. Allocated memory is still 411.0MB. Free memory was 303.2MB in the beginning and 294.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 23]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 23]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 26]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 26]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 32]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 32]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 35]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 35]: 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, 241 locations, 244 edges, 21 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: 3.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 449 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 280 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 716 IncrementalHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 42 mSDtfsCounter, 716 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=479occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 0.6s InterpolantComputationTime, 413 NumberOfCodeBlocks, 413 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 405 ConstructedInterpolants, 0 QuantifiedInterpolants, 703 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:10:07,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE