./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.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_03-priv_inv.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 c8e5ef7f3113ca3a3eaac541df24f18b34e4fd08660282e86c7074eff71271b4 --- Real Ultimate output --- This is Ultimate 0.3.0-wip.fs.system-includes-da04345-m [2025-04-29 11:09:50,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-29 11:09:50,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-04-29 11:09:50,995 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-29 11:09:50,996 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-29 11:09:51,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-29 11:09:51,020 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-29 11:09:51,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-29 11:09:51,020 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-29 11:09:51,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-29 11:09:51,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-29 11:09:51,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-29 11:09:51,021 INFO L153 SettingsManager]: * Use SBE=true [2025-04-29 11:09:51,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-29 11:09:51,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-29 11:09:51,023 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:09:51,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:09:51,023 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:09:51,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-29 11:09:51,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-29 11:09:51,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-29 11:09:51,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-29 11:09:51,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-29 11:09:51,025 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-29 11:09:51,025 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-29 11:09:51,025 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 -> c8e5ef7f3113ca3a3eaac541df24f18b34e4fd08660282e86c7074eff71271b4 [2025-04-29 11:09:51,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-29 11:09:51,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-29 11:09:51,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-29 11:09:51,272 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-29 11:09:51,272 INFO L274 PluginConnector]: CDTParser initialized [2025-04-29 11:09:51,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.c [2025-04-29 11:09:52,600 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001af527e/cddc7e8a456449f5be2d5f51127adeb4/FLAG5a9b72f56 [2025-04-29 11:09:52,787 INFO L389 CDTParser]: Found 1 translation units. [2025-04-29 11:09:52,787 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_03-priv_inv.c [2025-04-29 11:09:52,788 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:09:52,788 WARN L117 ultiparseSymbolTable]: System include assert.h could not be resolved by CDT -- only built-in system includes are available. [2025-04-29 11:09:52,792 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001af527e/cddc7e8a456449f5be2d5f51127adeb4/FLAG5a9b72f56 [2025-04-29 11:09:53,801 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/001af527e/cddc7e8a456449f5be2d5f51127adeb4 [2025-04-29 11:09:53,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-29 11:09:53,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-04-29 11:09:53,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-29 11:09:53,805 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-29 11:09:53,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-29 11:09:53,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:09:53" (1/1) ... [2025-04-29 11:09:53,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6ebebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:53, skipping insertion in model container [2025-04-29 11:09:53,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 11:09:53" (1/1) ... [2025-04-29 11:09:53,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-29 11:09:53,967 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:09:53,975 INFO L200 MainTranslator]: Completed pre-run [2025-04-29 11:09:53,992 INFO L211 PostProcessor]: Analyzing one entry point: main [2025-04-29 11:09:54,002 INFO L204 MainTranslator]: Completed translation [2025-04-29 11:09:54,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54 WrapperNode [2025-04-29 11:09:54,003 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-29 11:09:54,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-29 11:09:54,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-29 11:09:54,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-29 11:09:54,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,030 INFO L138 Inliner]: procedures = 11, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2025-04-29 11:09:54,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-29 11:09:54,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-29 11:09:54,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-29 11:09:54,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-29 11:09:54,036 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,038 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,041 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-29 11:09:54,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-29 11:09:54,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-29 11:09:54,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-29 11:09:54,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (1/1) ... [2025-04-29 11:09:54,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-29 11:09:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-29 11:09:54,075 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 11:09:54,077 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 11:09:54,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-29 11:09:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-29 11:09:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-29 11:09:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-29 11:09:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-29 11:09:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-29 11:09:54,098 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-29 11:09:54,098 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-29 11:09:54,099 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 11:09:54,158 INFO L234 CfgBuilder]: Building ICFG [2025-04-29 11:09:54,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-29 11:09:54,296 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-29 11:09:54,297 INFO L283 CfgBuilder]: Performing block encoding [2025-04-29 11:09:54,322 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-29 11:09:54,322 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-29 11:09:54,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:09:54 BoogieIcfgContainer [2025-04-29 11:09:54,323 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-29 11:09:54,324 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-29 11:09:54,324 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-29 11:09:54,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-29 11:09:54,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 11:09:53" (1/3) ... [2025-04-29 11:09:54,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6364aef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:09:54, skipping insertion in model container [2025-04-29 11:09:54,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 11:09:54" (2/3) ... [2025-04-29 11:09:54,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6364aef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 11:09:54, skipping insertion in model container [2025-04-29 11:09:54,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:09:54" (3/3) ... [2025-04-29 11:09:54,329 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_03-priv_inv.c [2025-04-29 11:09:54,339 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-29 11:09:54,341 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_03-priv_inv.c that has 2 procedures, 67 locations, 66 edges, 1 initial locations, 0 loop locations, and 6 error locations. [2025-04-29 11:09:54,341 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-29 11:09:54,383 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-29 11:09:54,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 67 transitions, 141 flow [2025-04-29 11:09:54,450 INFO L116 PetriNetUnfolderBase]: 1/66 cut-off events. [2025-04-29 11:09:54,454 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:09:54,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 66 events. 1/66 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 63 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 43. Up to 2 conditions per place. [2025-04-29 11:09:54,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 67 transitions, 141 flow [2025-04-29 11:09:54,460 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 64 places, 61 transitions, 125 flow [2025-04-29 11:09:54,473 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-29 11:09:54,485 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;@df8fefd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-29 11:09:54,486 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-29 11:09:54,489 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-29 11:09:54,489 INFO L116 PetriNetUnfolderBase]: 0/11 cut-off events. [2025-04-29 11:09:54,489 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-29 11:09:54,489 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:09:54,490 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-29 11:09:54,490 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:09:54,494 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:09:54,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1735471722, now seen corresponding path program 1 times [2025-04-29 11:09:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:09:54,499 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906164598] [2025-04-29 11:09:54,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:09:54,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:09:54,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-29 11:09:54,551 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-29 11:09:54,551 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:09:54,551 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:09:54,597 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 11:09:54,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:09:54,597 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906164598] [2025-04-29 11:09:54,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906164598] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:09:54,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:09:54,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:09:54,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821944238] [2025-04-29 11:09:54,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:09:54,604 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:09:54,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:09:54,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:09:54,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:09:54,663 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 67 [2025-04-29 11:09:54,666 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 61 transitions, 125 flow. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 11:09:54,666 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:09:54,666 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 67 [2025-04-29 11:09:54,667 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:09:54,748 INFO L116 PetriNetUnfolderBase]: 46/283 cut-off events. [2025-04-29 11:09:54,748 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-29 11:09:54,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 405 conditions, 283 events. 46/283 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1473 event pairs, 17 based on Foata normal form. 0/250 useless extension candidates. Maximal degree in co-relation 380. Up to 69 conditions per place. [2025-04-29 11:09:54,754 INFO L140 encePairwiseOnDemand]: 56/67 looper letters, 21 selfloop transitions, 8 changer transitions 0/72 dead transitions. [2025-04-29 11:09:54,754 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 72 transitions, 205 flow [2025-04-29 11:09:54,755 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:09:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:09:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2025-04-29 11:09:54,765 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8756218905472637 [2025-04-29 11:09:54,767 INFO L175 Difference]: Start difference. First operand has 64 places, 61 transitions, 125 flow. Second operand 3 states and 176 transitions. [2025-04-29 11:09:54,769 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 72 transitions, 205 flow [2025-04-29 11:09:54,772 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 72 transitions, 204 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-04-29 11:09:54,775 INFO L231 Difference]: Finished difference. Result has 66 places, 67 transitions, 186 flow [2025-04-29 11:09:54,776 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=67} [2025-04-29 11:09:54,780 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, 2 predicate places. [2025-04-29 11:09:54,781 INFO L485 AbstractCegarLoop]: Abstraction has has 66 places, 67 transitions, 186 flow [2025-04-29 11:09:54,781 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 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 11:09:54,781 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:09:54,781 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] [2025-04-29 11:09:54,782 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-29 11:09:54,782 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:09:54,783 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:09:54,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1592813724, now seen corresponding path program 1 times [2025-04-29 11:09:54,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:09:54,783 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626272541] [2025-04-29 11:09:54,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:09:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:09:54,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-29 11:09:54,808 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-29 11:09:54,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:09:54,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:09:54,832 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 11:09:54,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:09:54,832 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626272541] [2025-04-29 11:09:54,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626272541] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:09:54,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:09:54,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:09:54,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169674931] [2025-04-29 11:09:54,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:09:54,833 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:09:54,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:09:54,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:09:54,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:09:54,882 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 67 [2025-04-29 11:09:54,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 67 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 11:09:54,884 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:09:54,884 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 67 [2025-04-29 11:09:54,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:09:54,983 INFO L116 PetriNetUnfolderBase]: 75/368 cut-off events. [2025-04-29 11:09:54,983 INFO L117 PetriNetUnfolderBase]: For 105/109 co-relation queries the response was YES. [2025-04-29 11:09:54,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 662 conditions, 368 events. 75/368 cut-off events. For 105/109 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2099 event pairs, 34 based on Foata normal form. 1/330 useless extension candidates. Maximal degree in co-relation 634. Up to 131 conditions per place. [2025-04-29 11:09:54,985 INFO L140 encePairwiseOnDemand]: 61/67 looper letters, 23 selfloop transitions, 7 changer transitions 0/75 dead transitions. [2025-04-29 11:09:54,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 75 transitions, 272 flow [2025-04-29 11:09:54,986 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:09:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:09:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 169 transitions. [2025-04-29 11:09:54,990 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.8407960199004975 [2025-04-29 11:09:54,990 INFO L175 Difference]: Start difference. First operand has 66 places, 67 transitions, 186 flow. Second operand 3 states and 169 transitions. [2025-04-29 11:09:54,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 75 transitions, 272 flow [2025-04-29 11:09:54,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 75 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-04-29 11:09:54,992 INFO L231 Difference]: Finished difference. Result has 68 places, 72 transitions, 226 flow [2025-04-29 11:09:54,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=226, PETRI_PLACES=68, PETRI_TRANSITIONS=72} [2025-04-29 11:09:54,993 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, 4 predicate places. [2025-04-29 11:09:54,993 INFO L485 AbstractCegarLoop]: Abstraction has has 68 places, 72 transitions, 226 flow [2025-04-29 11:09:54,993 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 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 11:09:54,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:09:54,993 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] [2025-04-29 11:09:54,994 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-29 11:09:54,994 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:09:54,994 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:09:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1493726429, now seen corresponding path program 1 times [2025-04-29 11:09:54,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:09:54,994 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286157169] [2025-04-29 11:09:54,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:09:54,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:09:55,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-29 11:09:55,009 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-29 11:09:55,009 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:09:55,009 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:09:55,115 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 11:09:55,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:09:55,115 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286157169] [2025-04-29 11:09:55,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286157169] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:09:55,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:09:55,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 11:09:55,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880451880] [2025-04-29 11:09:55,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:09:55,115 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:09:55,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:09:55,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:09:55,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:09:55,122 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 67 [2025-04-29 11:09:55,123 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 72 transitions, 226 flow. Second operand has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 11:09:55,123 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:09:55,123 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 67 [2025-04-29 11:09:55,123 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:09:55,154 INFO L116 PetriNetUnfolderBase]: 7/160 cut-off events. [2025-04-29 11:09:55,154 INFO L117 PetriNetUnfolderBase]: For 22/24 co-relation queries the response was YES. [2025-04-29 11:09:55,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 160 events. 7/160 cut-off events. For 22/24 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 606 event pairs, 0 based on Foata normal form. 2/149 useless extension candidates. Maximal degree in co-relation 222. Up to 19 conditions per place. [2025-04-29 11:09:55,155 INFO L140 encePairwiseOnDemand]: 62/67 looper letters, 2 selfloop transitions, 5 changer transitions 0/67 dead transitions. [2025-04-29 11:09:55,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 67 transitions, 212 flow [2025-04-29 11:09:55,156 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:09:55,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:09:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 186 transitions. [2025-04-29 11:09:55,157 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2025-04-29 11:09:55,157 INFO L175 Difference]: Start difference. First operand has 68 places, 72 transitions, 226 flow. Second operand 3 states and 186 transitions. [2025-04-29 11:09:55,157 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 67 transitions, 212 flow [2025-04-29 11:09:55,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 67 transitions, 194 flow, removed 4 selfloop flow, removed 2 redundant places. [2025-04-29 11:09:55,158 INFO L231 Difference]: Finished difference. Result has 67 places, 67 transitions, 190 flow [2025-04-29 11:09:55,158 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=190, PETRI_PLACES=67, PETRI_TRANSITIONS=67} [2025-04-29 11:09:55,159 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, 3 predicate places. [2025-04-29 11:09:55,159 INFO L485 AbstractCegarLoop]: Abstraction has has 67 places, 67 transitions, 190 flow [2025-04-29 11:09:55,159 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 3 states have internal predecessors, (181), 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 11:09:55,159 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:09:55,159 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] [2025-04-29 11:09:55,159 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-29 11:09:55,159 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:09:55,162 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:09:55,162 INFO L85 PathProgramCache]: Analyzing trace with hash 482467763, now seen corresponding path program 1 times [2025-04-29 11:09:55,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:09:55,162 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859835320] [2025-04-29 11:09:55,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:09:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:09:55,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-29 11:09:55,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-29 11:09:55,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:09:55,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:09:55,212 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 11:09:55,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:09:55,213 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859835320] [2025-04-29 11:09:55,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859835320] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:09:55,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:09:55,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-29 11:09:55,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181981738] [2025-04-29 11:09:55,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:09:55,213 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:09:55,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:09:55,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:09:55,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:09:55,223 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 67 [2025-04-29 11:09:55,223 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 67 transitions, 190 flow. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 11:09:55,223 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:09:55,223 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 67 [2025-04-29 11:09:55,223 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:09:55,239 INFO L116 PetriNetUnfolderBase]: 0/74 cut-off events. [2025-04-29 11:09:55,239 INFO L117 PetriNetUnfolderBase]: For 6/7 co-relation queries the response was YES. [2025-04-29 11:09:55,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 125 conditions, 74 events. 0/74 cut-off events. For 6/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-04-29 11:09:55,239 INFO L140 encePairwiseOnDemand]: 63/67 looper letters, 7 selfloop transitions, 3 changer transitions 5/48 dead transitions. [2025-04-29 11:09:55,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 48 transitions, 148 flow [2025-04-29 11:09:55,240 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:09:55,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:09:55,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 168 transitions. [2025-04-29 11:09:55,240 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.835820895522388 [2025-04-29 11:09:55,240 INFO L175 Difference]: Start difference. First operand has 67 places, 67 transitions, 190 flow. Second operand 3 states and 168 transitions. [2025-04-29 11:09:55,240 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 48 transitions, 148 flow [2025-04-29 11:09:55,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 48 transitions, 136 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-04-29 11:09:55,241 INFO L231 Difference]: Finished difference. Result has 55 places, 43 transitions, 107 flow [2025-04-29 11:09:55,242 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=114, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=107, PETRI_PLACES=55, PETRI_TRANSITIONS=43} [2025-04-29 11:09:55,242 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, -9 predicate places. [2025-04-29 11:09:55,242 INFO L485 AbstractCegarLoop]: Abstraction has has 55 places, 43 transitions, 107 flow [2025-04-29 11:09:55,242 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 11:09:55,242 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-29 11:09:55,242 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] [2025-04-29 11:09:55,242 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-29 11:09:55,242 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-04-29 11:09:55,243 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-29 11:09:55,243 INFO L85 PathProgramCache]: Analyzing trace with hash -193959578, now seen corresponding path program 1 times [2025-04-29 11:09:55,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-29 11:09:55,243 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234452057] [2025-04-29 11:09:55,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-29 11:09:55,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-29 11:09:55,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-04-29 11:09:55,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-04-29 11:09:55,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-29 11:09:55,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-29 11:09:55,277 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 11:09:55,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-29 11:09:55,277 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234452057] [2025-04-29 11:09:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234452057] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-29 11:09:55,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-29 11:09:55,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-29 11:09:55,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333124424] [2025-04-29 11:09:55,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-29 11:09:55,277 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-29 11:09:55,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-29 11:09:55,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-29 11:09:55,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-29 11:09:55,314 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 67 [2025-04-29 11:09:55,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 43 transitions, 107 flow. Second operand has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 11:09:55,315 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-29 11:09:55,315 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 67 [2025-04-29 11:09:55,315 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-29 11:09:55,324 INFO L116 PetriNetUnfolderBase]: 0/55 cut-off events. [2025-04-29 11:09:55,324 INFO L117 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2025-04-29 11:09:55,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 55 events. 0/55 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 38 event pairs, 0 based on Foata normal form. 2/57 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2025-04-29 11:09:55,324 INFO L140 encePairwiseOnDemand]: 65/67 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions. [2025-04-29 11:09:55,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 42 transitions, 127 flow [2025-04-29 11:09:55,325 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-29 11:09:55,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-29 11:09:55,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2025-04-29 11:09:55,325 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.7761194029850746 [2025-04-29 11:09:55,325 INFO L175 Difference]: Start difference. First operand has 55 places, 43 transitions, 107 flow. Second operand 3 states and 156 transitions. [2025-04-29 11:09:55,325 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 42 transitions, 127 flow [2025-04-29 11:09:55,326 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 111 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-04-29 11:09:55,326 INFO L231 Difference]: Finished difference. Result has 48 places, 0 transitions, 0 flow [2025-04-29 11:09:55,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=67, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=48, PETRI_TRANSITIONS=0} [2025-04-29 11:09:55,327 INFO L279 CegarLoopForPetriNet]: 64 programPoint places, -16 predicate places. [2025-04-29 11:09:55,327 INFO L485 AbstractCegarLoop]: Abstraction has has 48 places, 0 transitions, 0 flow [2025-04-29 11:09:55,327 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.0) internal successors, (153), 3 states have internal predecessors, (153), 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 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-04-29 11:09:55,329 INFO L790 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-04-29 11:09:55,329 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-29 11:09:55,329 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-04-29 11:09:55,332 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-29 11:09:55,332 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-29 11:09:55,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 11:09:55 BasicIcfg [2025-04-29 11:09:55,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-29 11:09:55,337 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-04-29 11:09:55,337 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-04-29 11:09:55,337 INFO L274 PluginConnector]: Witness Printer initialized [2025-04-29 11:09:55,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 11:09:54" (3/4) ... [2025-04-29 11:09:55,339 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-04-29 11:09:55,341 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-04-29 11:09:55,343 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-04-29 11:09:55,343 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:09:55,343 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-04-29 11:09:55,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-04-29 11:09:55,390 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-04-29 11:09:55,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-04-29 11:09:55,390 INFO L158 Benchmark]: Toolchain (without parser) took 1586.76ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 65.1MB in the end (delta: 48.8MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2025-04-29 11:09:55,391 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 226.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.47ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.14ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 99.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: Boogie Preprocessor took 18.19ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: RCFGBuilder took 272.93ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 85.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: TraceAbstraction took 1012.22ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 70.3MB in the end (delta: 14.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2025-04-29 11:09:55,392 INFO L158 Benchmark]: Witness Printer took 53.12ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 65.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-04-29 11:09:55,393 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 226.5MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.47ms. Allocated memory is still 142.6MB. Free memory was 114.0MB in the beginning and 100.2MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.14ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 99.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.19ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 98.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 272.93ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 85.3MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1012.22ms. Allocated memory is still 142.6MB. Free memory was 84.8MB in the beginning and 70.3MB in the end (delta: 14.5MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Witness Printer took 53.12ms. Allocated memory is still 142.6MB. Free memory was 70.3MB in the beginning and 65.1MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 28]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 31]: 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: 33]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 17]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 22]: 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, 89 locations, 90 edges, 9 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 47 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 18 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 150 IncrementalHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 18 mSolverCounterUnsat, 9 mSDtfsCounter, 150 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-29 11:09:55,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE