./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:12:51,112 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:12:51,164 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:12:51,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:12:51,168 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:12:51,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:12:51,181 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:12:51,181 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:12:51,181 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:12:51,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:12:51,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:12:51,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:12:51,181 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:12:51,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:12:51,184 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:12:51,184 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:12:51,185 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:12:51,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:12:51,185 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:12:51,186 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:12:51,186 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-jdk21/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 -> a7b1b4de6077c19ce6e7b3206b7aec935b2c49ded10f81f01daddf9a689038c1 [2025-02-08 05:12:51,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:12:51,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:12:51,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:12:51,418 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:12:51,419 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:12:51,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2025-02-08 05:12:52,576 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88a2a0561/895c912acbbd460d9ae7ee9bb3c7f07a/FLAG48002933c [2025-02-08 05:12:52,897 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:12:52,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread-ext/41_FreeBSD_abd_kbd_sliced.i [2025-02-08 05:12:52,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88a2a0561/895c912acbbd460d9ae7ee9bb3c7f07a/FLAG48002933c [2025-02-08 05:12:52,920 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/88a2a0561/895c912acbbd460d9ae7ee9bb3c7f07a [2025-02-08 05:12:52,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:12:52,931 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:12:52,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:12:52,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:12:52,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:12:52,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:12:52" (1/1) ... [2025-02-08 05:12:52,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2217ad44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:52, skipping insertion in model container [2025-02-08 05:12:52,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:12:52" (1/1) ... [2025-02-08 05:12:52,975 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:12:53,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:12:53,251 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:12:53,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:12:53,317 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:12:53,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53 WrapperNode [2025-02-08 05:12:53,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:12:53,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:12:53,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:12:53,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:12:53,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,353 INFO L138 Inliner]: procedures = 173, calls = 32, calls flagged for inlining = 27, calls inlined = 38, statements flattened = 305 [2025-02-08 05:12:53,354 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:12:53,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:12:53,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:12:53,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:12:53,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,367 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:12:53,371 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:12:53,371 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:12:53,372 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:12:53,372 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (1/1) ... [2025-02-08 05:12:53,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:12:53,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:12:53,411 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 05:12:53,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 05:12:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2025-02-08 05:12:53,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2025-02-08 05:12:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:12:53,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:12:53,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:12:53,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:12:53,437 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 05:12:53,514 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:12:53,516 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:12:53,821 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L728-3: assume { :end_inline_adb_kbd_receive_packet } true;assume -2147483648 <= #t~ret10#1 && #t~ret10#1 <= 2147483647; [2025-02-08 05:12:53,822 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L728-4: havoc adb_kbd_receive_packet_#t~nondet5#1; [2025-02-08 05:12:53,822 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L728-5: #t~ret10#1 := adb_kbd_receive_packet_#res#1; [2025-02-08 05:12:53,837 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:12:53,837 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:12:53,994 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:12:53,994 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:12:53,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:12:53 BoogieIcfgContainer [2025-02-08 05:12:53,994 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:12:53,996 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:12:53,996 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:12:54,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:12:54,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:12:52" (1/3) ... [2025-02-08 05:12:54,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57aced09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:12:54, skipping insertion in model container [2025-02-08 05:12:54,005 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:12:53" (2/3) ... [2025-02-08 05:12:54,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57aced09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:12:54, skipping insertion in model container [2025-02-08 05:12:54,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:12:53" (3/3) ... [2025-02-08 05:12:54,007 INFO L128 eAbstractionObserver]: Analyzing ICFG 41_FreeBSD_abd_kbd_sliced.i [2025-02-08 05:12:54,019 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:12:54,021 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 41_FreeBSD_abd_kbd_sliced.i that has 2 procedures, 195 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2025-02-08 05:12:54,021 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:12:54,084 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:12:54,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 198 places, 212 transitions, 428 flow [2025-02-08 05:12:54,178 INFO L124 PetriNetUnfolderBase]: 17/219 cut-off events. [2025-02-08 05:12:54,180 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:12:54,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 219 events. 17/219 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 782 event pairs, 0 based on Foata normal form. 0/156 useless extension candidates. Maximal degree in co-relation 198. Up to 3 conditions per place. [2025-02-08 05:12:54,185 INFO L82 GeneralOperation]: Start removeDead. Operand has 198 places, 212 transitions, 428 flow [2025-02-08 05:12:54,192 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 198 places, 212 transitions, 428 flow [2025-02-08 05:12:54,199 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:12:54,213 INFO L333 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;@23645f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:12:54,216 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2025-02-08 05:12:54,227 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:12:54,228 INFO L124 PetriNetUnfolderBase]: 0/33 cut-off events. [2025-02-08 05:12:54,228 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:12:54,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:12:54,229 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:12:54,230 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 77 more)] === [2025-02-08 05:12:54,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:12:54,234 INFO L85 PathProgramCache]: Analyzing trace with hash 730303823, now seen corresponding path program 1 times [2025-02-08 05:12:54,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:12:54,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687802690] [2025-02-08 05:12:54,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:12:54,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:12:54,306 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 05:12:54,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 05:12:54,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:54,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:12:54,321 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 05:12:54,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-08 05:12:54,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-08 05:12:54,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:54,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:12:54,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 05:12:54,355 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 05:12:54,355 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (80 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (79 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (78 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (77 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (76 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (75 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (74 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (73 of 81 remaining) [2025-02-08 05:12:54,357 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (72 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (71 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (70 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (69 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (68 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (67 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (66 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (65 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (64 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (63 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (62 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (61 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (60 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (58 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (57 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (56 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (55 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (54 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 81 remaining) [2025-02-08 05:12:54,358 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (50 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (48 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (45 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (44 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (43 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (42 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (41 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (40 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (39 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (38 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (37 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (36 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (35 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (34 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (33 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (32 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (31 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (30 of 81 remaining) [2025-02-08 05:12:54,359 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (29 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (28 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (27 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (26 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (22 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (21 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (19 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (12 of 81 remaining) [2025-02-08 05:12:54,360 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (11 of 81 remaining) [2025-02-08 05:12:54,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 81 remaining) [2025-02-08 05:12:54,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (8 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (5 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (4 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (2 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (1 of 81 remaining) [2025-02-08 05:12:54,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (0 of 81 remaining) [2025-02-08 05:12:54,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:12:54,363 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 05:12:54,365 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 05:12:54,365 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-02-08 05:12:54,422 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:12:54,432 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 375 places, 404 transitions, 818 flow [2025-02-08 05:12:54,541 INFO L124 PetriNetUnfolderBase]: 34/418 cut-off events. [2025-02-08 05:12:54,542 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:12:54,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 418 events. 34/418 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 2170 event pairs, 0 based on Foata normal form. 0/293 useless extension candidates. Maximal degree in co-relation 389. Up to 3 conditions per place. [2025-02-08 05:12:54,554 INFO L82 GeneralOperation]: Start removeDead. Operand has 375 places, 404 transitions, 818 flow [2025-02-08 05:12:54,560 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 375 places, 404 transitions, 818 flow [2025-02-08 05:12:54,562 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:12:54,564 INFO L333 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;@23645f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:12:54,564 INFO L334 AbstractCegarLoop]: Starting to check reachability of 121 error locations. [2025-02-08 05:12:54,570 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:12:54,571 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-02-08 05:12:54,572 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-02-08 05:12:54,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:12:54,573 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:12:54,574 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 117 more)] === [2025-02-08 05:12:54,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:12:54,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2016914711, now seen corresponding path program 1 times [2025-02-08 05:12:54,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:12:54,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525214937] [2025-02-08 05:12:54,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:12:54,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:12:54,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:12:54,591 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:12:54,591 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:54,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:12:54,591 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 05:12:54,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:12:54,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:12:54,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:54,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:12:54,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 05:12:54,601 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (120 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (119 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (118 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (117 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (116 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (115 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (114 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (113 of 121 remaining) [2025-02-08 05:12:54,601 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (112 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (111 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (110 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (109 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (108 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (107 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (106 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (105 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (104 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (103 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (102 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (101 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (100 of 121 remaining) [2025-02-08 05:12:54,602 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (99 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (98 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (97 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (96 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (95 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (94 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (93 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (92 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (91 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (90 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (89 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (88 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (87 of 121 remaining) [2025-02-08 05:12:54,603 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (86 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (85 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (84 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (83 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (82 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (81 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (80 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (79 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (78 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (77 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (76 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (75 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (74 of 121 remaining) [2025-02-08 05:12:54,604 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (73 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (72 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (71 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (70 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (69 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (68 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (67 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (66 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (65 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (64 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (63 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (62 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (61 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (60 of 121 remaining) [2025-02-08 05:12:54,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (58 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (57 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (56 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (55 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (54 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (50 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (48 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 121 remaining) [2025-02-08 05:12:54,606 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (45 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (44 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (43 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (42 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (41 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (40 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (39 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (38 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (37 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (36 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (35 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (34 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (33 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (32 of 121 remaining) [2025-02-08 05:12:54,607 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (31 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (30 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (29 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (28 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (27 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (26 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (22 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (21 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (19 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 121 remaining) [2025-02-08 05:12:54,608 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (12 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (11 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (8 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (5 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (4 of 121 remaining) [2025-02-08 05:12:54,609 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 121 remaining) [2025-02-08 05:12:54,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (2 of 121 remaining) [2025-02-08 05:12:54,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (1 of 121 remaining) [2025-02-08 05:12:54,610 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (0 of 121 remaining) [2025-02-08 05:12:54,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:12:54,610 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-08 05:12:54,610 WARN L246 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 05:12:54,610 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2025-02-08 05:12:54,657 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:12:54,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 552 places, 596 transitions, 1210 flow [2025-02-08 05:12:54,758 INFO L124 PetriNetUnfolderBase]: 51/617 cut-off events. [2025-02-08 05:12:54,758 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-02-08 05:12:54,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 617 events. 51/617 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 3864 event pairs, 0 based on Foata normal form. 0/430 useless extension candidates. Maximal degree in co-relation 580. Up to 4 conditions per place. [2025-02-08 05:12:54,770 INFO L82 GeneralOperation]: Start removeDead. Operand has 552 places, 596 transitions, 1210 flow [2025-02-08 05:12:54,804 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 552 places, 596 transitions, 1210 flow [2025-02-08 05:12:54,805 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:12:54,805 INFO L333 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;@23645f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:12:54,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 161 error locations. [2025-02-08 05:12:54,809 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:12:54,809 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-02-08 05:12:54,809 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 05:12:54,809 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:12:54,809 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] [2025-02-08 05:12:54,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err39ASSERT_VIOLATIONDATA_RACE === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2025-02-08 05:12:54,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:12:54,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1812313382, now seen corresponding path program 1 times [2025-02-08 05:12:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:12:54,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603397263] [2025-02-08 05:12:54,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:12:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:12:54,817 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:12:54,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:12:54,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:54,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:12:54,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:12:54,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:12:54,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603397263] [2025-02-08 05:12:54,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603397263] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:12:54,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:12:54,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 05:12:54,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994935133] [2025-02-08 05:12:54,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:12:54,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 05:12:54,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:12:54,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 05:12:54,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 05:12:54,907 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 596 [2025-02-08 05:12:54,915 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 552 places, 596 transitions, 1210 flow. Second operand has 2 states, 2 states have (on average 422.0) internal successors, (844), 2 states have internal predecessors, (844), 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) [2025-02-08 05:12:54,915 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:12:54,915 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 596 [2025-02-08 05:12:54,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:12:58,101 INFO L124 PetriNetUnfolderBase]: 6260/33269 cut-off events. [2025-02-08 05:12:58,101 INFO L125 PetriNetUnfolderBase]: For 1648/1648 co-relation queries the response was YES. [2025-02-08 05:12:58,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42341 conditions, 33269 events. 6260/33269 cut-off events. For 1648/1648 co-relation queries the response was YES. Maximal size of possible extension queue 1352. Compared 510812 event pairs, 4908 based on Foata normal form. 10648/38270 useless extension candidates. Maximal degree in co-relation 2709. Up to 8295 conditions per place. [2025-02-08 05:12:58,420 INFO L140 encePairwiseOnDemand]: 478/596 looper letters, 42 selfloop transitions, 0 changer transitions 0/439 dead transitions. [2025-02-08 05:12:58,420 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 432 places, 439 transitions, 980 flow [2025-02-08 05:12:58,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 05:12:58,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-02-08 05:12:58,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1002 transitions. [2025-02-08 05:12:58,431 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8406040268456376 [2025-02-08 05:12:58,432 INFO L175 Difference]: Start difference. First operand has 552 places, 596 transitions, 1210 flow. Second operand 2 states and 1002 transitions. [2025-02-08 05:12:58,433 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 432 places, 439 transitions, 980 flow [2025-02-08 05:12:58,441 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 432 places, 439 transitions, 978 flow, removed 1 selfloop flow, removed 0 redundant places. [2025-02-08 05:12:58,446 INFO L231 Difference]: Finished difference. Result has 432 places, 439 transitions, 894 flow [2025-02-08 05:12:58,448 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=431, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=439, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=894, PETRI_PLACES=432, PETRI_TRANSITIONS=439} [2025-02-08 05:12:58,450 INFO L279 CegarLoopForPetriNet]: 552 programPoint places, -120 predicate places. [2025-02-08 05:12:58,451 INFO L471 AbstractCegarLoop]: Abstraction has has 432 places, 439 transitions, 894 flow [2025-02-08 05:12:58,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 422.0) internal successors, (844), 2 states have internal predecessors, (844), 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) [2025-02-08 05:12:58,451 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:12:58,451 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] [2025-02-08 05:12:58,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:12:58,452 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err37ASSERT_VIOLATIONDATA_RACE === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2025-02-08 05:12:58,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:12:58,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2123632001, now seen corresponding path program 1 times [2025-02-08 05:12:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:12:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868463879] [2025-02-08 05:12:58,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:12:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:12:58,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 05:12:58,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 05:12:58,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:12:58,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:12:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:12:58,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:12:58,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868463879] [2025-02-08 05:12:58,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868463879] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:12:58,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:12:58,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:12:58,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679722322] [2025-02-08 05:12:58,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:12:58,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:12:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:12:58,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:12:58,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:12:58,541 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 376 out of 596 [2025-02-08 05:12:58,542 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 432 places, 439 transitions, 894 flow. Second operand has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2025-02-08 05:12:58,542 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:12:58,542 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 376 of 596 [2025-02-08 05:12:58,543 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:13:15,325 INFO L124 PetriNetUnfolderBase]: 78098/256278 cut-off events. [2025-02-08 05:13:15,326 INFO L125 PetriNetUnfolderBase]: For 3343/3343 co-relation queries the response was YES. [2025-02-08 05:13:16,272 INFO L83 FinitePrefix]: Finished finitePrefix Result has 374070 conditions, 256278 events. 78098/256278 cut-off events. For 3343/3343 co-relation queries the response was YES. Maximal size of possible extension queue 9320. Compared 4381618 event pairs, 21411 based on Foata normal form. 0/201667 useless extension candidates. Maximal degree in co-relation 374064. Up to 72221 conditions per place. [2025-02-08 05:13:17,411 INFO L140 encePairwiseOnDemand]: 512/596 looper letters, 89 selfloop transitions, 69 changer transitions 0/510 dead transitions. [2025-02-08 05:13:17,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 434 places, 510 transitions, 1362 flow [2025-02-08 05:13:17,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:13:17,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:13:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1301 transitions. [2025-02-08 05:13:17,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7276286353467561 [2025-02-08 05:13:17,414 INFO L175 Difference]: Start difference. First operand has 432 places, 439 transitions, 894 flow. Second operand 3 states and 1301 transitions. [2025-02-08 05:13:17,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 434 places, 510 transitions, 1362 flow [2025-02-08 05:13:17,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 434 places, 510 transitions, 1362 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-02-08 05:13:17,424 INFO L231 Difference]: Finished difference. Result has 436 places, 508 transitions, 1476 flow [2025-02-08 05:13:17,424 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=596, PETRI_DIFFERENCE_MINUEND_FLOW=894, PETRI_DIFFERENCE_MINUEND_PLACES=432, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=439, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1476, PETRI_PLACES=436, PETRI_TRANSITIONS=508} [2025-02-08 05:13:17,425 INFO L279 CegarLoopForPetriNet]: 552 programPoint places, -116 predicate places. [2025-02-08 05:13:17,425 INFO L471 AbstractCegarLoop]: Abstraction has has 436 places, 508 transitions, 1476 flow [2025-02-08 05:13:17,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 377.3333333333333) internal successors, (1132), 3 states have internal predecessors, (1132), 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) [2025-02-08 05:13:17,426 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:13:17,426 INFO L206 CegarLoopForPetriNet]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:13:17,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:13:17,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 157 more)] === [2025-02-08 05:13:17,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:13:17,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1076135938, now seen corresponding path program 1 times [2025-02-08 05:13:17,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:13:17,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999772456] [2025-02-08 05:13:17,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:13:17,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:13:17,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 05:13:17,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 05:13:17,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:13:17,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:13:17,438 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-08 05:13:17,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 05:13:17,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 05:13:17,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:13:17,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-08 05:13:17,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-08 05:13:17,447 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-08 05:13:17,447 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (160 of 161 remaining) [2025-02-08 05:13:17,447 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (159 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (158 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (157 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (156 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (155 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (154 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (153 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (152 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (151 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (150 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (149 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (148 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (147 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (146 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (145 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (144 of 161 remaining) [2025-02-08 05:13:17,448 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (143 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (142 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (141 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (140 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (139 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (138 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (137 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (136 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (135 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (134 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (133 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (132 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (131 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (130 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (129 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (128 of 161 remaining) [2025-02-08 05:13:17,449 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (127 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (126 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (125 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (124 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (123 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (122 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (121 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (120 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (119 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (118 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (117 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (116 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (115 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (114 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (113 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (112 of 161 remaining) [2025-02-08 05:13:17,450 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (111 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (110 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (109 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (108 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (107 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (106 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (105 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (104 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (103 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (102 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (101 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (100 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (99 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (98 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (97 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (96 of 161 remaining) [2025-02-08 05:13:17,451 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (95 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (94 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (93 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (92 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (91 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (90 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (89 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (88 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (87 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (86 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (85 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (84 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (83 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (82 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (81 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (80 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (79 of 161 remaining) [2025-02-08 05:13:17,452 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (78 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (77 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (76 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (75 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (74 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (73 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (72 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (71 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (70 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (69 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (68 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (67 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (66 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (65 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (64 of 161 remaining) [2025-02-08 05:13:17,453 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (63 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (62 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (61 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (60 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (58 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (57 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (56 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (55 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (54 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (53 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (51 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (50 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (49 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (48 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (47 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (46 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (45 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (44 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (43 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (42 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (41 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (40 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err39ASSERT_VIOLATIONDATA_RACE (39 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err38ASSERT_VIOLATIONDATA_RACE (38 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err33ASSERT_VIOLATIONDATA_RACE (37 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err32ASSERT_VIOLATIONDATA_RACE (36 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err37ASSERT_VIOLATIONDATA_RACE (35 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err31ASSERT_VIOLATIONDATA_RACE (34 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err36ASSERT_VIOLATIONDATA_RACE (33 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err35ASSERT_VIOLATIONDATA_RACE (32 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err30ASSERT_VIOLATIONDATA_RACE (31 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err29ASSERT_VIOLATIONDATA_RACE (30 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (29 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (28 of 161 remaining) [2025-02-08 05:13:17,454 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err28ASSERT_VIOLATIONDATA_RACE (27 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err27ASSERT_VIOLATIONDATA_RACE (26 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (25 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (24 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (23 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err34ASSERT_VIOLATIONDATA_RACE (22 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err26ASSERT_VIOLATIONDATA_RACE (21 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (20 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (19 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (18 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (17 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (16 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (15 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (14 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (13 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (12 of 161 remaining) [2025-02-08 05:13:17,455 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (11 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (9 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (8 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (7 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (6 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (5 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (4 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (2 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (1 of 161 remaining) [2025-02-08 05:13:17,456 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (0 of 161 remaining) [2025-02-08 05:13:17,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:13:17,456 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-08 05:13:17,457 WARN L246 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2025-02-08 05:13:17,457 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2025-02-08 05:13:17,506 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:13:17,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 729 places, 788 transitions, 1604 flow [2025-02-08 05:13:17,619 INFO L124 PetriNetUnfolderBase]: 68/816 cut-off events. [2025-02-08 05:13:17,619 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-02-08 05:13:17,641 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 816 events. 68/816 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 5567 event pairs, 0 based on Foata normal form. 0/567 useless extension candidates. Maximal degree in co-relation 771. Up to 5 conditions per place. [2025-02-08 05:13:17,641 INFO L82 GeneralOperation]: Start removeDead. Operand has 729 places, 788 transitions, 1604 flow [2025-02-08 05:13:17,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 729 places, 788 transitions, 1604 flow [2025-02-08 05:13:17,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:13:17,658 INFO L333 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;@23645f1f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:13:17,658 INFO L334 AbstractCegarLoop]: Starting to check reachability of 201 error locations. [2025-02-08 05:13:17,660 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:13:17,660 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-02-08 05:13:17,660 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-02-08 05:13:17,660 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:13:17,660 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] [2025-02-08 05:13:17,660 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err39ASSERT_VIOLATIONDATA_RACE === [thr1Err39ASSERT_VIOLATIONDATA_RACE, thr1Err38ASSERT_VIOLATIONDATA_RACE, thr1Err33ASSERT_VIOLATIONDATA_RACE, thr1Err32ASSERT_VIOLATIONDATA_RACE (and 197 more)] === [2025-02-08 05:13:17,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:13:17,661 INFO L85 PathProgramCache]: Analyzing trace with hash -2076571111, now seen corresponding path program 1 times [2025-02-08 05:13:17,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:13:17,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182736009] [2025-02-08 05:13:17,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:13:17,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:13:17,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 05:13:17,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 05:13:17,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:13:17,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:13:17,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:13:17,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:13:17,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182736009] [2025-02-08 05:13:17,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182736009] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:13:17,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:13:17,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 05:13:17,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570191789] [2025-02-08 05:13:17,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:13:17,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 05:13:17,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:13:17,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 05:13:17,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 05:13:17,688 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 555 out of 788 [2025-02-08 05:13:17,689 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 729 places, 788 transitions, 1604 flow. Second operand has 2 states, 2 states have (on average 556.0) internal successors, (1112), 2 states have internal predecessors, (1112), 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) [2025-02-08 05:13:17,689 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:13:17,689 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 555 of 788 [2025-02-08 05:13:17,689 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand