./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 17:16:43,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 17:16:44,011 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 17:16:44,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 17:16:44,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 17:16:44,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 17:16:44,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 17:16:44,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 17:16:44,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 17:16:44,043 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 17:16:44,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 17:16:44,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 17:16:44,045 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 17:16:44,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 17:16:44,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 17:16:44,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 17:16:44,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 17:16:44,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 17:16:44,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 17:16:44,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 17:16:44,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 17:16:44,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 17:16:44,052 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 17:16:44,053 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 17:16:44,053 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 17:16:44,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 17:16:44,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 17:16:44,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 17:16:44,054 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 17:16:44,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 17:16:44,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 17:16:44,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:16:44,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 17:16:44,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 17:16:44,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 17:16:44,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 17:16:44,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 17:16:44,057 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 17:16:44,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 17:16:44,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 17:16:44,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 17:16:44,058 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 91d7b70e505e7aef19ce206c76dac3b8838d1608e22286f0e4e4335d9f63c057 [2024-10-11 17:16:44,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 17:16:44,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 17:16:44,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 17:16:44,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 17:16:44,347 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 17:16:44,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-10-11 17:16:45,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 17:16:45,997 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 17:16:45,998 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-more-array-sum-alt.wvr.c [2024-10-11 17:16:46,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a402779c9/f5ce8aa8077a43ea82be9fe0ab618901/FLAG5c64ec13a [2024-10-11 17:16:46,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/a402779c9/f5ce8aa8077a43ea82be9fe0ab618901 [2024-10-11 17:16:46,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 17:16:46,023 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 17:16:46,024 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 17:16:46,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 17:16:46,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 17:16:46,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3192edb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46, skipping insertion in model container [2024-10-11 17:16:46,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 17:16:46,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:16:46,317 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 17:16:46,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 17:16:46,363 INFO L204 MainTranslator]: Completed translation [2024-10-11 17:16:46,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46 WrapperNode [2024-10-11 17:16:46,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 17:16:46,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 17:16:46,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 17:16:46,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 17:16:46,372 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,410 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 13, calls inlined = 17, statements flattened = 278 [2024-10-11 17:16:46,411 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 17:16:46,412 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 17:16:46,412 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 17:16:46,412 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 17:16:46,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 17:16:46,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 17:16:46,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 17:16:46,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 17:16:46,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (1/1) ... [2024-10-11 17:16:46,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 17:16:46,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 17:16:46,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 17:16:46,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 17:16:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 17:16:46,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 17:16:46,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-11 17:16:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-11 17:16:46,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 17:16:46,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 17:16:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 17:16:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 17:16:46,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 17:16:46,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-11 17:16:46,550 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 17:16:46,652 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 17:16:46,653 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 17:16:47,121 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 17:16:47,121 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 17:16:47,377 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 17:16:47,378 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-11 17:16:47,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:47 BoogieIcfgContainer [2024-10-11 17:16:47,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 17:16:47,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 17:16:47,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 17:16:47,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 17:16:47,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:16:46" (1/3) ... [2024-10-11 17:16:47,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ceef3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:16:47, skipping insertion in model container [2024-10-11 17:16:47,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:16:46" (2/3) ... [2024-10-11 17:16:47,386 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ceef3f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:16:47, skipping insertion in model container [2024-10-11 17:16:47,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:47" (3/3) ... [2024-10-11 17:16:47,387 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2024-10-11 17:16:47,406 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 17:16:47,406 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-10-11 17:16:47,406 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 17:16:47,478 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-11 17:16:47,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 225 transitions, 471 flow [2024-10-11 17:16:47,596 INFO L124 PetriNetUnfolderBase]: 13/222 cut-off events. [2024-10-11 17:16:47,596 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-10-11 17:16:47,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 235 conditions, 222 events. 13/222 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 266 event pairs, 0 based on Foata normal form. 0/183 useless extension candidates. Maximal degree in co-relation 174. Up to 2 conditions per place. [2024-10-11 17:16:47,604 INFO L82 GeneralOperation]: Start removeDead. Operand has 222 places, 225 transitions, 471 flow [2024-10-11 17:16:47,611 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 203 places, 205 transitions, 428 flow [2024-10-11 17:16:47,623 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 17:16:47,632 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;@18eddc00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 17:16:47,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2024-10-11 17:16:47,637 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 17:16:47,638 INFO L124 PetriNetUnfolderBase]: 0/21 cut-off events. [2024-10-11 17:16:47,638 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 17:16:47,638 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:47,639 INFO L204 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] [2024-10-11 17:16:47,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:47,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:47,645 INFO L85 PathProgramCache]: Analyzing trace with hash 525655388, now seen corresponding path program 1 times [2024-10-11 17:16:47,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:47,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500007722] [2024-10-11 17:16:47,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:47,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:47,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:47,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:47,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500007722] [2024-10-11 17:16:47,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500007722] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:47,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:47,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:47,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185581741] [2024-10-11 17:16:47,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:47,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:47,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:47,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:47,933 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 225 [2024-10-11 17:16:47,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 205 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-11 17:16:47,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:47,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 225 [2024-10-11 17:16:47,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:48,196 INFO L124 PetriNetUnfolderBase]: 178/820 cut-off events. [2024-10-11 17:16:48,196 INFO L125 PetriNetUnfolderBase]: For 127/127 co-relation queries the response was YES. [2024-10-11 17:16:48,202 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1153 conditions, 820 events. 178/820 cut-off events. For 127/127 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4812 event pairs, 103 based on Foata normal form. 67/766 useless extension candidates. Maximal degree in co-relation 960. Up to 258 conditions per place. [2024-10-11 17:16:48,211 INFO L140 encePairwiseOnDemand]: 203/225 looper letters, 19 selfloop transitions, 2 changer transitions 3/185 dead transitions. [2024-10-11 17:16:48,211 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 185 transitions, 430 flow [2024-10-11 17:16:48,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 584 transitions. [2024-10-11 17:16:48,227 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8651851851851852 [2024-10-11 17:16:48,230 INFO L175 Difference]: Start difference. First operand has 203 places, 205 transitions, 428 flow. Second operand 3 states and 584 transitions. [2024-10-11 17:16:48,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 185 transitions, 430 flow [2024-10-11 17:16:48,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 185 transitions, 418 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-10-11 17:16:48,240 INFO L231 Difference]: Finished difference. Result has 186 places, 182 transitions, 374 flow [2024-10-11 17:16:48,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=183, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=374, PETRI_PLACES=186, PETRI_TRANSITIONS=182} [2024-10-11 17:16:48,248 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -17 predicate places. [2024-10-11 17:16:48,249 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 182 transitions, 374 flow [2024-10-11 17:16:48,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-11 17:16:48,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:48,250 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:48,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 17:16:48,251 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:48,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:48,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1984868214, now seen corresponding path program 1 times [2024-10-11 17:16:48,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:48,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231709701] [2024-10-11 17:16:48,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:48,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:48,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:48,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:48,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231709701] [2024-10-11 17:16:48,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231709701] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:48,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:48,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:48,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36502673] [2024-10-11 17:16:48,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:48,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:48,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:48,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:48,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:48,361 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 225 [2024-10-11 17:16:48,362 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 182 transitions, 374 flow. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-11 17:16:48,362 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:48,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 225 [2024-10-11 17:16:48,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:48,642 INFO L124 PetriNetUnfolderBase]: 159/757 cut-off events. [2024-10-11 17:16:48,642 INFO L125 PetriNetUnfolderBase]: For 17/20 co-relation queries the response was YES. [2024-10-11 17:16:48,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1017 conditions, 757 events. 159/757 cut-off events. For 17/20 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4239 event pairs, 97 based on Foata normal form. 0/664 useless extension candidates. Maximal degree in co-relation 987. Up to 237 conditions per place. [2024-10-11 17:16:48,653 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 19 selfloop transitions, 2 changer transitions 0/181 dead transitions. [2024-10-11 17:16:48,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 181 transitions, 414 flow [2024-10-11 17:16:48,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:48,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:48,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 565 transitions. [2024-10-11 17:16:48,659 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.837037037037037 [2024-10-11 17:16:48,659 INFO L175 Difference]: Start difference. First operand has 186 places, 182 transitions, 374 flow. Second operand 3 states and 565 transitions. [2024-10-11 17:16:48,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 184 places, 181 transitions, 414 flow [2024-10-11 17:16:48,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 181 transitions, 410 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:48,664 INFO L231 Difference]: Finished difference. Result has 182 places, 181 transitions, 372 flow [2024-10-11 17:16:48,665 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=179, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=372, PETRI_PLACES=182, PETRI_TRANSITIONS=181} [2024-10-11 17:16:48,666 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -21 predicate places. [2024-10-11 17:16:48,666 INFO L471 AbstractCegarLoop]: Abstraction has has 182 places, 181 transitions, 372 flow [2024-10-11 17:16:48,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2024-10-11 17:16:48,667 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:48,667 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:48,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 17:16:48,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:48,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:48,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1184726623, now seen corresponding path program 1 times [2024-10-11 17:16:48,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:48,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272178972] [2024-10-11 17:16:48,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:48,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:48,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:48,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272178972] [2024-10-11 17:16:48,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272178972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:48,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:48,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:48,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815868712] [2024-10-11 17:16:48,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:48,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:48,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:48,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:48,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:48,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 225 [2024-10-11 17:16:48,752 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 182 places, 181 transitions, 372 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-11 17:16:48,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:48,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 225 [2024-10-11 17:16:48,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:48,887 INFO L124 PetriNetUnfolderBase]: 228/889 cut-off events. [2024-10-11 17:16:48,888 INFO L125 PetriNetUnfolderBase]: For 24/42 co-relation queries the response was YES. [2024-10-11 17:16:48,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1254 conditions, 889 events. 228/889 cut-off events. For 24/42 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 5380 event pairs, 148 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1216. Up to 338 conditions per place. [2024-10-11 17:16:48,896 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 20 selfloop transitions, 1 changer transitions 0/177 dead transitions. [2024-10-11 17:16:48,897 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 177 transitions, 406 flow [2024-10-11 17:16:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:48,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2024-10-11 17:16:48,899 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8325925925925926 [2024-10-11 17:16:48,899 INFO L175 Difference]: Start difference. First operand has 182 places, 181 transitions, 372 flow. Second operand 3 states and 562 transitions. [2024-10-11 17:16:48,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 177 transitions, 406 flow [2024-10-11 17:16:48,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 178 places, 177 transitions, 402 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:48,906 INFO L231 Difference]: Finished difference. Result has 178 places, 177 transitions, 362 flow [2024-10-11 17:16:48,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=360, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=176, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=362, PETRI_PLACES=178, PETRI_TRANSITIONS=177} [2024-10-11 17:16:48,908 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -25 predicate places. [2024-10-11 17:16:48,908 INFO L471 AbstractCegarLoop]: Abstraction has has 178 places, 177 transitions, 362 flow [2024-10-11 17:16:48,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-11 17:16:48,909 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:48,910 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:48,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 17:16:48,910 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:48,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:48,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1293608677, now seen corresponding path program 1 times [2024-10-11 17:16:48,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:48,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283979387] [2024-10-11 17:16:48,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:48,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:49,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:49,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:49,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283979387] [2024-10-11 17:16:49,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283979387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:49,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:49,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 17:16:49,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875317452] [2024-10-11 17:16:49,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:49,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 17:16:49,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:49,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 17:16:49,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-11 17:16:49,703 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 225 [2024-10-11 17:16:49,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 177 transitions, 362 flow. Second operand has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 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) [2024-10-11 17:16:49,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:49,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 225 [2024-10-11 17:16:49,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:49,805 INFO L124 PetriNetUnfolderBase]: 112/614 cut-off events. [2024-10-11 17:16:49,806 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:49,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 800 conditions, 614 events. 112/614 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3025 event pairs, 56 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 763. Up to 165 conditions per place. [2024-10-11 17:16:49,811 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 20 selfloop transitions, 5 changer transitions 0/176 dead transitions. [2024-10-11 17:16:49,811 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 176 transitions, 410 flow [2024-10-11 17:16:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 17:16:49,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-11 17:16:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2024-10-11 17:16:49,814 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8103703703703704 [2024-10-11 17:16:49,814 INFO L175 Difference]: Start difference. First operand has 178 places, 177 transitions, 362 flow. Second operand 6 states and 1094 transitions. [2024-10-11 17:16:49,814 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 176 transitions, 410 flow [2024-10-11 17:16:49,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 176 transitions, 409 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:16:49,818 INFO L231 Difference]: Finished difference. Result has 181 places, 176 transitions, 369 flow [2024-10-11 17:16:49,818 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=359, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=171, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=369, PETRI_PLACES=181, PETRI_TRANSITIONS=176} [2024-10-11 17:16:49,820 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -22 predicate places. [2024-10-11 17:16:49,820 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 176 transitions, 369 flow [2024-10-11 17:16:49,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 179.5) internal successors, (1077), 6 states have internal predecessors, (1077), 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) [2024-10-11 17:16:49,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:49,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:49,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 17:16:49,821 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:49,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:49,822 INFO L85 PathProgramCache]: Analyzing trace with hash 820820231, now seen corresponding path program 1 times [2024-10-11 17:16:49,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:49,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023284335] [2024-10-11 17:16:49,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:49,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:49,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:49,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:49,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023284335] [2024-10-11 17:16:49,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023284335] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:49,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:49,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:49,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999623591] [2024-10-11 17:16:49,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:49,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:49,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:49,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:49,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:49,878 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 225 [2024-10-11 17:16:49,879 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 176 transitions, 369 flow. Second operand has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-11 17:16:49,880 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:49,880 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 225 [2024-10-11 17:16:49,880 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:49,985 INFO L124 PetriNetUnfolderBase]: 112/613 cut-off events. [2024-10-11 17:16:49,985 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:49,987 INFO L83 FinitePrefix]: Finished finitePrefix Result has 796 conditions, 613 events. 112/613 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 3012 event pairs, 56 based on Foata normal form. 0/553 useless extension candidates. Maximal degree in co-relation 778. Up to 160 conditions per place. [2024-10-11 17:16:49,989 INFO L140 encePairwiseOnDemand]: 222/225 looper letters, 15 selfloop transitions, 2 changer transitions 0/175 dead transitions. [2024-10-11 17:16:49,989 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 175 transitions, 401 flow [2024-10-11 17:16:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:49,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:49,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 573 transitions. [2024-10-11 17:16:49,991 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8488888888888889 [2024-10-11 17:16:49,992 INFO L175 Difference]: Start difference. First operand has 181 places, 176 transitions, 369 flow. Second operand 3 states and 573 transitions. [2024-10-11 17:16:49,992 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 175 transitions, 401 flow [2024-10-11 17:16:49,993 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 175 transitions, 391 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-10-11 17:16:49,995 INFO L231 Difference]: Finished difference. Result has 177 places, 175 transitions, 361 flow [2024-10-11 17:16:49,995 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=357, PETRI_DIFFERENCE_MINUEND_PLACES=175, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=177, PETRI_TRANSITIONS=175} [2024-10-11 17:16:49,998 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -26 predicate places. [2024-10-11 17:16:49,998 INFO L471 AbstractCegarLoop]: Abstraction has has 177 places, 175 transitions, 361 flow [2024-10-11 17:16:49,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2024-10-11 17:16:49,999 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:49,999 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:49,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 17:16:49,999 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:50,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:50,001 INFO L85 PathProgramCache]: Analyzing trace with hash 194096605, now seen corresponding path program 1 times [2024-10-11 17:16:50,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:50,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067028692] [2024-10-11 17:16:50,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:50,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067028692] [2024-10-11 17:16:50,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067028692] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:50,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905736168] [2024-10-11 17:16:50,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:50,055 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 225 [2024-10-11 17:16:50,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 177 places, 175 transitions, 361 flow. Second operand has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-11 17:16:50,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:50,056 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 225 [2024-10-11 17:16:50,057 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:50,170 INFO L124 PetriNetUnfolderBase]: 266/885 cut-off events. [2024-10-11 17:16:50,170 INFO L125 PetriNetUnfolderBase]: For 56/56 co-relation queries the response was YES. [2024-10-11 17:16:50,173 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1280 conditions, 885 events. 266/885 cut-off events. For 56/56 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 5199 event pairs, 164 based on Foata normal form. 0/808 useless extension candidates. Maximal degree in co-relation 1242. Up to 369 conditions per place. [2024-10-11 17:16:50,177 INFO L140 encePairwiseOnDemand]: 220/225 looper letters, 20 selfloop transitions, 1 changer transitions 0/171 dead transitions. [2024-10-11 17:16:50,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 171 transitions, 395 flow [2024-10-11 17:16:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:50,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 562 transitions. [2024-10-11 17:16:50,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8325925925925926 [2024-10-11 17:16:50,179 INFO L175 Difference]: Start difference. First operand has 177 places, 175 transitions, 361 flow. Second operand 3 states and 562 transitions. [2024-10-11 17:16:50,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 171 transitions, 395 flow [2024-10-11 17:16:50,181 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 171 transitions, 391 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:50,183 INFO L231 Difference]: Finished difference. Result has 173 places, 171 transitions, 351 flow [2024-10-11 17:16:50,183 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=170, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=351, PETRI_PLACES=173, PETRI_TRANSITIONS=171} [2024-10-11 17:16:50,184 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -30 predicate places. [2024-10-11 17:16:50,185 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 171 transitions, 351 flow [2024-10-11 17:16:50,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 180.0) internal successors, (540), 3 states have internal predecessors, (540), 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) [2024-10-11 17:16:50,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:50,186 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:50,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 17:16:50,186 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:50,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1755751082, now seen corresponding path program 1 times [2024-10-11 17:16:50,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:50,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737060182] [2024-10-11 17:16:50,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:50,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737060182] [2024-10-11 17:16:50,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737060182] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:50,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591696128] [2024-10-11 17:16:50,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:50,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:50,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:50,277 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 225 [2024-10-11 17:16:50,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 171 transitions, 351 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-11 17:16:50,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:50,279 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 225 [2024-10-11 17:16:50,279 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:50,394 INFO L124 PetriNetUnfolderBase]: 111/568 cut-off events. [2024-10-11 17:16:50,395 INFO L125 PetriNetUnfolderBase]: For 22/25 co-relation queries the response was YES. [2024-10-11 17:16:50,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 744 conditions, 568 events. 111/568 cut-off events. For 22/25 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2612 event pairs, 32 based on Foata normal form. 0/523 useless extension candidates. Maximal degree in co-relation 707. Up to 108 conditions per place. [2024-10-11 17:16:50,398 INFO L140 encePairwiseOnDemand]: 221/225 looper letters, 17 selfloop transitions, 3 changer transitions 0/176 dead transitions. [2024-10-11 17:16:50,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 176 transitions, 403 flow [2024-10-11 17:16:50,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 588 transitions. [2024-10-11 17:16:50,402 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8711111111111111 [2024-10-11 17:16:50,402 INFO L175 Difference]: Start difference. First operand has 173 places, 171 transitions, 351 flow. Second operand 3 states and 588 transitions. [2024-10-11 17:16:50,402 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 176 transitions, 403 flow [2024-10-11 17:16:50,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 176 transitions, 402 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-11 17:16:50,406 INFO L231 Difference]: Finished difference. Result has 173 places, 170 transitions, 354 flow [2024-10-11 17:16:50,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=348, PETRI_DIFFERENCE_MINUEND_PLACES=171, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=170, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=354, PETRI_PLACES=173, PETRI_TRANSITIONS=170} [2024-10-11 17:16:50,407 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -30 predicate places. [2024-10-11 17:16:50,407 INFO L471 AbstractCegarLoop]: Abstraction has has 173 places, 170 transitions, 354 flow [2024-10-11 17:16:50,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-11 17:16:50,408 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 17:16:50,408 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:50,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 17:16:50,409 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 41 more)] === [2024-10-11 17:16:50,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 17:16:50,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1688567606, now seen corresponding path program 1 times [2024-10-11 17:16:50,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 17:16:50,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849129898] [2024-10-11 17:16:50,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 17:16:50,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 17:16:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 17:16:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 17:16:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 17:16:50,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849129898] [2024-10-11 17:16:50,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849129898] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 17:16:50,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 17:16:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 17:16:50,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975128456] [2024-10-11 17:16:50,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 17:16:50,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 17:16:50,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 17:16:50,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 17:16:50,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 17:16:50,474 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 225 [2024-10-11 17:16:50,475 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 173 places, 170 transitions, 354 flow. Second operand has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-11 17:16:50,476 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 17:16:50,476 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 225 [2024-10-11 17:16:50,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 17:16:50,585 INFO L124 PetriNetUnfolderBase]: 110/514 cut-off events. [2024-10-11 17:16:50,585 INFO L125 PetriNetUnfolderBase]: For 64/65 co-relation queries the response was YES. [2024-10-11 17:16:50,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 741 conditions, 514 events. 110/514 cut-off events. For 64/65 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2135 event pairs, 25 based on Foata normal form. 1/485 useless extension candidates. Maximal degree in co-relation 704. Up to 91 conditions per place. [2024-10-11 17:16:50,588 INFO L140 encePairwiseOnDemand]: 219/225 looper letters, 0 selfloop transitions, 0 changer transitions 178/178 dead transitions. [2024-10-11 17:16:50,588 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 178 transitions, 421 flow [2024-10-11 17:16:50,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 17:16:50,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 17:16:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 590 transitions. [2024-10-11 17:16:50,590 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8740740740740741 [2024-10-11 17:16:50,590 INFO L175 Difference]: Start difference. First operand has 173 places, 170 transitions, 354 flow. Second operand 3 states and 590 transitions. [2024-10-11 17:16:50,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 174 places, 178 transitions, 421 flow [2024-10-11 17:16:50,592 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 172 places, 178 transitions, 411 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 17:16:50,593 INFO L231 Difference]: Finished difference. Result has 172 places, 0 transitions, 0 flow [2024-10-11 17:16:50,593 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=225, PETRI_DIFFERENCE_MINUEND_FLOW=346, PETRI_DIFFERENCE_MINUEND_PLACES=170, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=169, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=172, PETRI_TRANSITIONS=0} [2024-10-11 17:16:50,594 INFO L277 CegarLoopForPetriNet]: 203 programPoint places, -31 predicate places. [2024-10-11 17:16:50,594 INFO L471 AbstractCegarLoop]: Abstraction has has 172 places, 0 transitions, 0 flow [2024-10-11 17:16:50,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 191.66666666666666) internal successors, (575), 3 states have internal predecessors, (575), 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) [2024-10-11 17:16:50,597 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (44 of 45 remaining) [2024-10-11 17:16:50,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (43 of 45 remaining) [2024-10-11 17:16:50,598 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (42 of 45 remaining) [2024-10-11 17:16:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (41 of 45 remaining) [2024-10-11 17:16:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (40 of 45 remaining) [2024-10-11 17:16:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (39 of 45 remaining) [2024-10-11 17:16:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (38 of 45 remaining) [2024-10-11 17:16:50,599 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (37 of 45 remaining) [2024-10-11 17:16:50,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (36 of 45 remaining) [2024-10-11 17:16:50,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 45 remaining) [2024-10-11 17:16:50,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (34 of 45 remaining) [2024-10-11 17:16:50,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (33 of 45 remaining) [2024-10-11 17:16:50,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (32 of 45 remaining) [2024-10-11 17:16:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (31 of 45 remaining) [2024-10-11 17:16:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (30 of 45 remaining) [2024-10-11 17:16:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (29 of 45 remaining) [2024-10-11 17:16:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (28 of 45 remaining) [2024-10-11 17:16:50,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (25 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (24 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (22 of 45 remaining) [2024-10-11 17:16:50,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (21 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (20 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (17 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (15 of 45 remaining) [2024-10-11 17:16:50,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (14 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (13 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (12 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (11 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (7 of 45 remaining) [2024-10-11 17:16:50,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (6 of 45 remaining) [2024-10-11 17:16:50,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (5 of 45 remaining) [2024-10-11 17:16:50,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (4 of 45 remaining) [2024-10-11 17:16:50,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (3 of 45 remaining) [2024-10-11 17:16:50,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (2 of 45 remaining) [2024-10-11 17:16:50,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (1 of 45 remaining) [2024-10-11 17:16:50,606 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (0 of 45 remaining) [2024-10-11 17:16:50,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 17:16:50,606 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 17:16:50,612 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 17:16:50,612 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 17:16:50,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 05:16:50 BasicIcfg [2024-10-11 17:16:50,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 17:16:50,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 17:16:50,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 17:16:50,626 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 17:16:50,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:16:47" (3/4) ... [2024-10-11 17:16:50,628 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 17:16:50,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 17:16:50,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-11 17:16:50,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-11 17:16:50,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-10-11 17:16:50,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-11 17:16:50,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 17:16:50,640 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 17:16:50,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 17:16:50,746 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 17:16:50,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 17:16:50,747 INFO L158 Benchmark]: Toolchain (without parser) took 4724.36ms. Allocated memory was 172.0MB in the beginning and 295.7MB in the end (delta: 123.7MB). Free memory was 114.3MB in the beginning and 192.4MB in the end (delta: -78.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,747 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 17:16:50,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.53ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 100.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.96ms. Allocated memory is still 172.0MB. Free memory was 100.1MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,748 INFO L158 Benchmark]: Boogie Preprocessor took 39.18ms. Allocated memory is still 172.0MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,748 INFO L158 Benchmark]: RCFGBuilder took 927.13ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 95.0MB in the beginning and 176.9MB in the end (delta: -81.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,749 INFO L158 Benchmark]: TraceAbstraction took 3244.29ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 176.9MB in the beginning and 197.6MB in the end (delta: -20.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,749 INFO L158 Benchmark]: Witness Printer took 121.01ms. Allocated memory is still 295.7MB. Free memory was 197.6MB in the beginning and 192.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-11 17:16:50,751 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 133.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.53ms. Allocated memory is still 172.0MB. Free memory was 114.3MB in the beginning and 100.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.96ms. Allocated memory is still 172.0MB. Free memory was 100.1MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.18ms. Allocated memory is still 172.0MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 927.13ms. Allocated memory was 172.0MB in the beginning and 245.4MB in the end (delta: 73.4MB). Free memory was 95.0MB in the beginning and 176.9MB in the end (delta: -81.9MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * TraceAbstraction took 3244.29ms. Allocated memory was 245.4MB in the beginning and 295.7MB in the end (delta: 50.3MB). Free memory was 176.9MB in the beginning and 197.6MB in the end (delta: -20.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 121.01ms. Allocated memory is still 295.7MB. Free memory was 197.6MB in the beginning and 192.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 115]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 279 locations, 45 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 209 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 33 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 33 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=428occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 528 ConstructedInterpolants, 0 QuantifiedInterpolants, 657 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-11 17:16:50,783 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE