./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/test-context1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/test-context1.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:40:09,530 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:40:09,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:40:09,605 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:40:09,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:40:09,636 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:40:09,637 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:40:09,637 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:40:09,638 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:40:09,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:40:09,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:40:09,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:40:09,641 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:40:09,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:40:09,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:40:09,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:40:09,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:40:09,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:40:09,646 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:40:09,646 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:40:09,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:40:09,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:40:09,647 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:40:09,647 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:40:09,647 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:40:09,647 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:40:09,648 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:40:09,648 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:40:09,648 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:40:09,648 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:40:09,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:40:09,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:40:09,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:40:09,649 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:40:09,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:40:09,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:40:09,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:40:09,650 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:40:09,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:40:09,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:40:09,651 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:40:09,651 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2024-11-10 14:40:09,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:40:09,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:40:09,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:40:09,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:40:09,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:40:09,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-10 14:40:11,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:40:11,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:40:11,602 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-10 14:40:11,613 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856736a72/c58e36fc4378403fa25df9a78b5ff47b/FLAG9763ea987 [2024-11-10 14:40:11,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856736a72/c58e36fc4378403fa25df9a78b5ff47b [2024-11-10 14:40:11,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:40:11,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:40:11,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:40:11,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:40:11,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:40:11,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:40:11" (1/1) ... [2024-11-10 14:40:11,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f5b5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:11, skipping insertion in model container [2024-11-10 14:40:11,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:40:11" (1/1) ... [2024-11-10 14:40:11,995 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:40:12,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:40:12,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:40:12,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:40:12,267 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:40:12,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12 WrapperNode [2024-11-10 14:40:12,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:40:12,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:40:12,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:40:12,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:40:12,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,324 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 217 [2024-11-10 14:40:12,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:40:12,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:40:12,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:40:12,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:40:12,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:40:12,362 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:40:12,362 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:40:12,362 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:40:12,363 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (1/1) ... [2024-11-10 14:40:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:40:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:40:12,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 14:40:12,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 14:40:12,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:40:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:40:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:40:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:40:12,447 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:40:12,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:40:12,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:40:12,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:40:12,450 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:40:12,570 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:40:12,573 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:40:13,108 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:40:13,108 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:40:13,355 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:40:13,355 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:40:13,355 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:13 BoogieIcfgContainer [2024-11-10 14:40:13,356 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:40:13,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:40:13,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:40:13,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:40:13,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:40:11" (1/3) ... [2024-11-10 14:40:13,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b048777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:40:13, skipping insertion in model container [2024-11-10 14:40:13,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:40:12" (2/3) ... [2024-11-10 14:40:13,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b048777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:40:13, skipping insertion in model container [2024-11-10 14:40:13,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:13" (3/3) ... [2024-11-10 14:40:13,368 INFO L112 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2024-11-10 14:40:13,386 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:40:13,386 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-10 14:40:13,387 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:40:13,479 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:40:13,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 166 places, 168 transitions, 350 flow [2024-11-10 14:40:13,598 INFO L124 PetriNetUnfolderBase]: 9/166 cut-off events. [2024-11-10 14:40:13,598 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:40:13,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 166 events. 9/166 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 230 event pairs, 0 based on Foata normal form. 0/128 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2024-11-10 14:40:13,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 166 places, 168 transitions, 350 flow [2024-11-10 14:40:13,613 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 149 transitions, 310 flow [2024-11-10 14:40:13,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:40:13,627 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;@aafefbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:40:13,627 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-10 14:40:13,632 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:40:13,632 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-10 14:40:13,632 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:40:13,632 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:13,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:40:13,633 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:13,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1820198, now seen corresponding path program 1 times [2024-11-10 14:40:13,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:13,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156247109] [2024-11-10 14:40:13,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:13,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:13,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:13,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:13,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156247109] [2024-11-10 14:40:13,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156247109] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:13,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:13,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:13,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588593500] [2024-11-10 14:40:13,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:13,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:13,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:13,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:13,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:13,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 168 [2024-11-10 14:40:13,905 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 149 transitions, 310 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-10 14:40:13,906 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:13,906 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 168 [2024-11-10 14:40:13,907 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:14,024 INFO L124 PetriNetUnfolderBase]: 10/154 cut-off events. [2024-11-10 14:40:14,024 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-10 14:40:14,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 189 conditions, 154 events. 10/154 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 188 event pairs, 0 based on Foata normal form. 12/154 useless extension candidates. Maximal degree in co-relation 112. Up to 21 conditions per place. [2024-11-10 14:40:14,033 INFO L140 encePairwiseOnDemand]: 137/168 looper letters, 10 selfloop transitions, 2 changer transitions 2/120 dead transitions. [2024-11-10 14:40:14,033 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 276 flow [2024-11-10 14:40:14,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:14,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:14,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 413 transitions. [2024-11-10 14:40:14,074 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8194444444444444 [2024-11-10 14:40:14,077 INFO L175 Difference]: Start difference. First operand has 148 places, 149 transitions, 310 flow. Second operand 3 states and 413 transitions. [2024-11-10 14:40:14,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 120 transitions, 276 flow [2024-11-10 14:40:14,084 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 120 transitions, 268 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:40:14,088 INFO L231 Difference]: Finished difference. Result has 122 places, 118 transitions, 244 flow [2024-11-10 14:40:14,089 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=244, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=244, PETRI_PLACES=122, PETRI_TRANSITIONS=118} [2024-11-10 14:40:14,093 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -26 predicate places. [2024-11-10 14:40:14,093 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 118 transitions, 244 flow [2024-11-10 14:40:14,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-10 14:40:14,093 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:14,094 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] [2024-11-10 14:40:14,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:40:14,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:14,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:14,095 INFO L85 PathProgramCache]: Analyzing trace with hash -149127479, now seen corresponding path program 1 times [2024-11-10 14:40:14,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391785643] [2024-11-10 14:40:14,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:14,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:14,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:14,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391785643] [2024-11-10 14:40:14,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391785643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:14,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:14,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280106195] [2024-11-10 14:40:14,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:14,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:14,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:14,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:14,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:14,199 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 168 [2024-11-10 14:40:14,200 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 118 transitions, 244 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-10 14:40:14,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:14,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 168 [2024-11-10 14:40:14,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:14,259 INFO L124 PetriNetUnfolderBase]: 10/151 cut-off events. [2024-11-10 14:40:14,259 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:40:14,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 151 events. 10/151 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 184 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 154. Up to 21 conditions per place. [2024-11-10 14:40:14,260 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 10 selfloop transitions, 2 changer transitions 0/117 dead transitions. [2024-11-10 14:40:14,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 117 transitions, 266 flow [2024-11-10 14:40:14,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:14,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:14,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 385 transitions. [2024-11-10 14:40:14,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7638888888888888 [2024-11-10 14:40:14,264 INFO L175 Difference]: Start difference. First operand has 122 places, 118 transitions, 244 flow. Second operand 3 states and 385 transitions. [2024-11-10 14:40:14,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 117 transitions, 266 flow [2024-11-10 14:40:14,266 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 117 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:14,267 INFO L231 Difference]: Finished difference. Result has 119 places, 117 transitions, 242 flow [2024-11-10 14:40:14,268 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=119, PETRI_TRANSITIONS=117} [2024-11-10 14:40:14,269 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -29 predicate places. [2024-11-10 14:40:14,269 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 117 transitions, 242 flow [2024-11-10 14:40:14,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-10 14:40:14,270 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:14,270 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] [2024-11-10 14:40:14,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:40:14,270 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:14,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:14,271 INFO L85 PathProgramCache]: Analyzing trace with hash 76258022, now seen corresponding path program 1 times [2024-11-10 14:40:14,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:14,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473353154] [2024-11-10 14:40:14,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:14,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:14,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:14,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473353154] [2024-11-10 14:40:14,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473353154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:14,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:14,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:14,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544399705] [2024-11-10 14:40:14,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:14,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:14,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:14,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:14,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:14,345 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 168 [2024-11-10 14:40:14,346 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 117 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2024-11-10 14:40:14,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:14,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 168 [2024-11-10 14:40:14,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:14,388 INFO L124 PetriNetUnfolderBase]: 10/150 cut-off events. [2024-11-10 14:40:14,389 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-10 14:40:14,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 150 events. 10/150 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 182 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 142. Up to 18 conditions per place. [2024-11-10 14:40:14,390 INFO L140 encePairwiseOnDemand]: 166/168 looper letters, 8 selfloop transitions, 1 changer transitions 0/116 dead transitions. [2024-11-10 14:40:14,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 116 transitions, 258 flow [2024-11-10 14:40:14,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 394 transitions. [2024-11-10 14:40:14,393 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7817460317460317 [2024-11-10 14:40:14,393 INFO L175 Difference]: Start difference. First operand has 119 places, 117 transitions, 242 flow. Second operand 3 states and 394 transitions. [2024-11-10 14:40:14,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 116 transitions, 258 flow [2024-11-10 14:40:14,394 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 116 transitions, 254 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:14,396 INFO L231 Difference]: Finished difference. Result has 118 places, 116 transitions, 238 flow [2024-11-10 14:40:14,396 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=238, PETRI_PLACES=118, PETRI_TRANSITIONS=116} [2024-11-10 14:40:14,397 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -30 predicate places. [2024-11-10 14:40:14,397 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 116 transitions, 238 flow [2024-11-10 14:40:14,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.0) internal successors, (387), 3 states have internal predecessors, (387), 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) [2024-11-10 14:40:14,398 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:14,399 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] [2024-11-10 14:40:14,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:40:14,399 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:14,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash -584676675, now seen corresponding path program 1 times [2024-11-10 14:40:14,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:14,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497968391] [2024-11-10 14:40:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:14,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:14,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497968391] [2024-11-10 14:40:14,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497968391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:14,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:14,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:14,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761227319] [2024-11-10 14:40:14,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:14,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:14,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:14,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:14,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:14,509 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 168 [2024-11-10 14:40:14,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 116 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-11-10 14:40:14,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:14,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 168 [2024-11-10 14:40:14,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:14,560 INFO L124 PetriNetUnfolderBase]: 10/149 cut-off events. [2024-11-10 14:40:14,560 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:40:14,561 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 149 events. 10/149 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 177 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 142. Up to 20 conditions per place. [2024-11-10 14:40:14,561 INFO L140 encePairwiseOnDemand]: 165/168 looper letters, 9 selfloop transitions, 2 changer transitions 0/115 dead transitions. [2024-11-10 14:40:14,562 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 115 transitions, 258 flow [2024-11-10 14:40:14,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:14,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 387 transitions. [2024-11-10 14:40:14,564 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7678571428571429 [2024-11-10 14:40:14,564 INFO L175 Difference]: Start difference. First operand has 118 places, 116 transitions, 238 flow. Second operand 3 states and 387 transitions. [2024-11-10 14:40:14,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 115 transitions, 258 flow [2024-11-10 14:40:14,567 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 115 transitions, 257 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:40:14,570 INFO L231 Difference]: Finished difference. Result has 118 places, 115 transitions, 239 flow [2024-11-10 14:40:14,570 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=235, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=239, PETRI_PLACES=118, PETRI_TRANSITIONS=115} [2024-11-10 14:40:14,571 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -30 predicate places. [2024-11-10 14:40:14,571 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 115 transitions, 239 flow [2024-11-10 14:40:14,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 126.33333333333333) internal successors, (379), 3 states have internal predecessors, (379), 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) [2024-11-10 14:40:14,574 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:14,575 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] [2024-11-10 14:40:14,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:40:14,575 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:14,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:14,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1492775547, now seen corresponding path program 1 times [2024-11-10 14:40:14,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:14,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845252563] [2024-11-10 14:40:14,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:14,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:15,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:15,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845252563] [2024-11-10 14:40:15,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845252563] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:15,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:15,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:40:15,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761822712] [2024-11-10 14:40:15,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:15,272 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:40:15,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:15,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:40:15,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:40:15,367 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 168 [2024-11-10 14:40:15,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 115 transitions, 239 flow. Second operand has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2024-11-10 14:40:15,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:15,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 168 [2024-11-10 14:40:15,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:15,411 INFO L124 PetriNetUnfolderBase]: 10/148 cut-off events. [2024-11-10 14:40:15,414 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:40:15,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 148 events. 10/148 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 174 event pairs, 0 based on Foata normal form. 0/142 useless extension candidates. Maximal degree in co-relation 152. Up to 25 conditions per place. [2024-11-10 14:40:15,415 INFO L140 encePairwiseOnDemand]: 162/168 looper letters, 14 selfloop transitions, 5 changer transitions 0/114 dead transitions. [2024-11-10 14:40:15,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 114 transitions, 275 flow [2024-11-10 14:40:15,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:40:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:40:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 728 transitions. [2024-11-10 14:40:15,418 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-11-10 14:40:15,418 INFO L175 Difference]: Start difference. First operand has 118 places, 115 transitions, 239 flow. Second operand 6 states and 728 transitions. [2024-11-10 14:40:15,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 114 transitions, 275 flow [2024-11-10 14:40:15,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 114 transitions, 271 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:40:15,421 INFO L231 Difference]: Finished difference. Result has 120 places, 114 transitions, 243 flow [2024-11-10 14:40:15,421 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=120, PETRI_TRANSITIONS=114} [2024-11-10 14:40:15,422 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -28 predicate places. [2024-11-10 14:40:15,423 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 114 transitions, 243 flow [2024-11-10 14:40:15,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 119.5) internal successors, (717), 6 states have internal predecessors, (717), 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) [2024-11-10 14:40:15,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:40:15,425 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] [2024-11-10 14:40:15,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:40:15,426 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err10ASSERT_VIOLATIONDATA_RACE, thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-10 14:40:15,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:40:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash -143802442, now seen corresponding path program 1 times [2024-11-10 14:40:15,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:40:15,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053602210] [2024-11-10 14:40:15,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:40:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:40:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:40:15,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:40:15,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:40:15,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053602210] [2024-11-10 14:40:15,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053602210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:40:15,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:40:15,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:40:15,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503819198] [2024-11-10 14:40:15,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:40:15,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:40:15,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:40:15,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:40:15,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:40:15,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 168 [2024-11-10 14:40:15,486 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 114 transitions, 243 flow. Second operand has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-10 14:40:15,486 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:40:15,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 168 [2024-11-10 14:40:15,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:40:15,530 INFO L124 PetriNetUnfolderBase]: 10/147 cut-off events. [2024-11-10 14:40:15,531 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:40:15,531 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176 conditions, 147 events. 10/147 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 171 event pairs, 0 based on Foata normal form. 1/142 useless extension candidates. Maximal degree in co-relation 158. Up to 18 conditions per place. [2024-11-10 14:40:15,532 INFO L140 encePairwiseOnDemand]: 166/168 looper letters, 0 selfloop transitions, 0 changer transitions 113/113 dead transitions. [2024-11-10 14:40:15,532 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 113 transitions, 257 flow [2024-11-10 14:40:15,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:40:15,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:40:15,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-11-10 14:40:15,534 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7797619047619048 [2024-11-10 14:40:15,534 INFO L175 Difference]: Start difference. First operand has 120 places, 114 transitions, 243 flow. Second operand 3 states and 393 transitions. [2024-11-10 14:40:15,534 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 113 transitions, 257 flow [2024-11-10 14:40:15,535 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 113 transitions, 247 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:40:15,536 INFO L231 Difference]: Finished difference. Result has 116 places, 0 transitions, 0 flow [2024-11-10 14:40:15,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=168, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=116, PETRI_TRANSITIONS=0} [2024-11-10 14:40:15,539 INFO L277 CegarLoopForPetriNet]: 148 programPoint places, -32 predicate places. [2024-11-10 14:40:15,540 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 0 transitions, 0 flow [2024-11-10 14:40:15,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.33333333333334) internal successors, (391), 3 states have internal predecessors, (391), 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) [2024-11-10 14:40:15,543 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-10 14:40:15,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-10 14:40:15,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-10 14:40:15,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-10 14:40:15,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-10 14:40:15,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-10 14:40:15,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-10 14:40:15,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-10 14:40:15,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-10 14:40:15,548 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-10 14:40:15,549 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-10 14:40:15,550 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-10 14:40:15,551 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-10 14:40:15,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-10 14:40:15,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-10 14:40:15,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-10 14:40:15,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-10 14:40:15,552 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-10 14:40:15,553 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-10 14:40:15,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-10 14:40:15,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-10 14:40:15,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-10 14:40:15,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-10 14:40:15,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-10 14:40:15,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:40:15,556 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:40:15,563 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:40:15,563 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:40:15,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:40:15 BasicIcfg [2024-11-10 14:40:15,573 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:40:15,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:40:15,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:40:15,574 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:40:15,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:40:13" (3/4) ... [2024-11-10 14:40:15,577 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:40:15,580 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:40:15,580 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:40:15,586 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-11-10 14:40:15,586 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:40:15,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:40:15,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:40:15,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:40:15,690 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:40:15,690 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:40:15,691 INFO L158 Benchmark]: Toolchain (without parser) took 3731.27ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 126.2MB in the beginning and 147.9MB in the end (delta: -21.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,691 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:40:15,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 161.5MB. Free memory was 126.2MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.27ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,692 INFO L158 Benchmark]: Boogie Preprocessor took 35.11ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 108.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,692 INFO L158 Benchmark]: IcfgBuilder took 994.12ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 82.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,692 INFO L158 Benchmark]: TraceAbstraction took 2212.87ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 82.8MB in the beginning and 153.1MB in the end (delta: -70.4MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,693 INFO L158 Benchmark]: Witness Printer took 116.80ms. Allocated memory is still 197.1MB. Free memory was 153.1MB in the beginning and 147.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:40:15,694 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.08ms. Allocated memory is still 161.5MB. Free memory was 126.2MB in the beginning and 112.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.27ms. Allocated memory is still 161.5MB. Free memory was 112.5MB in the beginning and 109.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.11ms. Allocated memory is still 161.5MB. Free memory was 109.4MB in the beginning and 108.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 994.12ms. Allocated memory is still 161.5MB. Free memory was 108.3MB in the beginning and 82.8MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2212.87ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 82.8MB in the beginning and 153.1MB in the end (delta: -70.4MB). Peak memory consumption was 55.7MB. Max. memory is 16.1GB. * Witness Printer took 116.80ms. Allocated memory is still 197.1MB. Free memory was 153.1MB in the beginning and 147.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: 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: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: 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 5 procedures, 205 locations, 54 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: 2.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 89 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 186 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 13 mSDtfsCounter, 186 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=310occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 290 NumberOfCodeBlocks, 290 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 409 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:40:15,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE