./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --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/ldv-races/race-2_5-container_of.i -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 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:23:41,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:23:41,762 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:23:41,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:23:41,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:23:41,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:23:41,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:23:41,804 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:23:41,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:23:41,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:23:41,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:23:41,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:23:41,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:23:41,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:23:41,809 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:23:41,809 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:23:41,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:23:41,810 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:23:41,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:23:41,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:23:41,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:23:41,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:23:41,814 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:23:41,814 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:23:41,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:23:41,815 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:23:41,815 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:23:41,815 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:23:41,816 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:23:41,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:23:41,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:23:41,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:23:41,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:23:41,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:23:41,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:23:41,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:23:41,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:23:41,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:23:41,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:23:41,819 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:23:41,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:23:41,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-10 14:23:42,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:23:42,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:23:42,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:23:42,119 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:23:42,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:23:42,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-10 14:23:43,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:23:43,861 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:23:43,863 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-10 14:23:43,898 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0922d7e9f/404e1f3ff3a746f8885c541e27faa4fb/FLAG81747059b [2024-11-10 14:23:43,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0922d7e9f/404e1f3ff3a746f8885c541e27faa4fb [2024-11-10 14:23:43,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:23:43,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:23:43,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:23:43,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:23:43,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:23:43,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:23:43" (1/1) ... [2024-11-10 14:23:43,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60946530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:43, skipping insertion in model container [2024-11-10 14:23:43,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:23:43" (1/1) ... [2024-11-10 14:23:44,032 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:23:44,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:23:44,567 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:23:44,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:23:44,698 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:23:44,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44 WrapperNode [2024-11-10 14:23:44,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:23:44,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:23:44,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:23:44,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:23:44,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,789 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 238 [2024-11-10 14:23:44,792 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:23:44,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:23:44,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:23:44,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:23:44,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,868 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:23:44,880 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:23:44,880 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:23:44,881 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:23:44,882 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (1/1) ... [2024-11-10 14:23:44,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:23:44,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:23:44,922 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 14:23:44,925 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 14:23:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-10 14:23:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-10 14:23:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:23:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:23:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:23:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:23:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:23:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:23:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:23:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:23:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:23:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:23:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:23:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:23:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:23:44,981 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 14:23:45,260 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:23:45,262 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:23:45,720 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:23:45,721 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:23:45,873 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:23:45,873 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:23:45,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:45 BoogieIcfgContainer [2024-11-10 14:23:45,874 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:23:45,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:23:45,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:23:45,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:23:45,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:23:43" (1/3) ... [2024-11-10 14:23:45,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ba349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:23:45, skipping insertion in model container [2024-11-10 14:23:45,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:23:44" (2/3) ... [2024-11-10 14:23:45,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@214ba349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:23:45, skipping insertion in model container [2024-11-10 14:23:45,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:45" (3/3) ... [2024-11-10 14:23:45,886 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-10 14:23:45,905 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:23:45,906 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2024-11-10 14:23:45,907 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:23:46,031 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:23:46,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 263 places, 267 transitions, 548 flow [2024-11-10 14:23:46,256 INFO L124 PetriNetUnfolderBase]: 14/351 cut-off events. [2024-11-10 14:23:46,257 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:23:46,264 INFO L83 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 351 events. 14/351 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 717 event pairs, 0 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 177. Up to 4 conditions per place. [2024-11-10 14:23:46,265 INFO L82 GeneralOperation]: Start removeDead. Operand has 263 places, 267 transitions, 548 flow [2024-11-10 14:23:46,274 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 261 places, 264 transitions, 540 flow [2024-11-10 14:23:46,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:23:46,297 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;@350f862f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:23:46,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2024-11-10 14:23:46,306 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:23:46,306 INFO L124 PetriNetUnfolderBase]: 0/32 cut-off events. [2024-11-10 14:23:46,306 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:23:46,306 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:46,310 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] [2024-11-10 14:23:46,310 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:46,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:46,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1376492099, now seen corresponding path program 1 times [2024-11-10 14:23:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:46,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414748357] [2024-11-10 14:23:46,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:46,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:47,309 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 14:23:47,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:47,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414748357] [2024-11-10 14:23:47,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414748357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:47,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:47,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:47,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124828297] [2024-11-10 14:23:47,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:47,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:47,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:47,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:47,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:47,668 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-10 14:23:47,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 264 transitions, 540 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 14:23:47,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:47,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-10 14:23:47,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:48,524 INFO L124 PetriNetUnfolderBase]: 1076/3564 cut-off events. [2024-11-10 14:23:48,525 INFO L125 PetriNetUnfolderBase]: For 28/28 co-relation queries the response was YES. [2024-11-10 14:23:48,538 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5383 conditions, 3564 events. 1076/3564 cut-off events. For 28/28 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28445 event pairs, 1075 based on Foata normal form. 140/3494 useless extension candidates. Maximal degree in co-relation 5118. Up to 1790 conditions per place. [2024-11-10 14:23:48,555 INFO L140 encePairwiseOnDemand]: 243/267 looper letters, 47 selfloop transitions, 5 changer transitions 6/233 dead transitions. [2024-11-10 14:23:48,555 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 233 transitions, 582 flow [2024-11-10 14:23:48,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1223 transitions. [2024-11-10 14:23:48,579 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7634207240948814 [2024-11-10 14:23:48,583 INFO L175 Difference]: Start difference. First operand has 261 places, 264 transitions, 540 flow. Second operand 6 states and 1223 transitions. [2024-11-10 14:23:48,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 233 transitions, 582 flow [2024-11-10 14:23:48,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 233 transitions, 574 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:23:48,595 INFO L231 Difference]: Finished difference. Result has 239 places, 227 transitions, 468 flow [2024-11-10 14:23:48,597 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=228, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=468, PETRI_PLACES=239, PETRI_TRANSITIONS=227} [2024-11-10 14:23:48,601 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -22 predicate places. [2024-11-10 14:23:48,604 INFO L471 AbstractCegarLoop]: Abstraction has has 239 places, 227 transitions, 468 flow [2024-11-10 14:23:48,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 14:23:48,606 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:48,606 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] [2024-11-10 14:23:48,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:23:48,607 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:48,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:48,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1765126646, now seen corresponding path program 1 times [2024-11-10 14:23:48,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:48,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340680634] [2024-11-10 14:23:48,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:48,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:49,085 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 14:23:49,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:49,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340680634] [2024-11-10 14:23:49,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340680634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:49,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:49,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:49,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178557157] [2024-11-10 14:23:49,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:49,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:49,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:49,342 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 192 out of 267 [2024-11-10 14:23:49,344 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 239 places, 227 transitions, 468 flow. Second operand has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 14:23:49,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:49,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 192 of 267 [2024-11-10 14:23:49,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:49,984 INFO L124 PetriNetUnfolderBase]: 1076/3557 cut-off events. [2024-11-10 14:23:49,985 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:23:49,994 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5366 conditions, 3557 events. 1076/3557 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 28420 event pairs, 1075 based on Foata normal form. 0/3350 useless extension candidates. Maximal degree in co-relation 5323. Up to 1790 conditions per place. [2024-11-10 14:23:50,011 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 47 selfloop transitions, 5 changer transitions 0/226 dead transitions. [2024-11-10 14:23:50,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 226 transitions, 570 flow [2024-11-10 14:23:50,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:50,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:50,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1205 transitions. [2024-11-10 14:23:50,016 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7521847690387016 [2024-11-10 14:23:50,016 INFO L175 Difference]: Start difference. First operand has 239 places, 227 transitions, 468 flow. Second operand 6 states and 1205 transitions. [2024-11-10 14:23:50,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 226 transitions, 570 flow [2024-11-10 14:23:50,019 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 226 transitions, 560 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:23:50,022 INFO L231 Difference]: Finished difference. Result has 232 places, 226 transitions, 466 flow [2024-11-10 14:23:50,023 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=227, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=226, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=466, PETRI_PLACES=232, PETRI_TRANSITIONS=226} [2024-11-10 14:23:50,024 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -29 predicate places. [2024-11-10 14:23:50,024 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 226 transitions, 466 flow [2024-11-10 14:23:50,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 193.33333333333334) internal successors, (1160), 6 states have internal predecessors, (1160), 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 14:23:50,025 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:50,026 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] [2024-11-10 14:23:50,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:23:50,026 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:50,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:50,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1532437872, now seen corresponding path program 1 times [2024-11-10 14:23:50,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:50,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98814603] [2024-11-10 14:23:50,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:50,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:50,128 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 14:23:50,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:50,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98814603] [2024-11-10 14:23:50,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98814603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:50,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:50,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:50,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208749978] [2024-11-10 14:23:50,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:50,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:50,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:50,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:50,147 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-10 14:23:50,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 226 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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 14:23:50,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:50,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-10 14:23:50,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:50,379 INFO L124 PetriNetUnfolderBase]: 181/873 cut-off events. [2024-11-10 14:23:50,380 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:23:50,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1225 conditions, 873 events. 181/873 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4845 event pairs, 175 based on Foata normal form. 0/823 useless extension candidates. Maximal degree in co-relation 1175. Up to 330 conditions per place. [2024-11-10 14:23:50,386 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 28 selfloop transitions, 2 changer transitions 0/230 dead transitions. [2024-11-10 14:23:50,386 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 230 transitions, 534 flow [2024-11-10 14:23:50,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:50,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:50,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 688 transitions. [2024-11-10 14:23:50,389 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8589263420724095 [2024-11-10 14:23:50,389 INFO L175 Difference]: Start difference. First operand has 232 places, 226 transitions, 466 flow. Second operand 3 states and 688 transitions. [2024-11-10 14:23:50,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 230 transitions, 534 flow [2024-11-10 14:23:50,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 228 places, 230 transitions, 524 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:23:50,393 INFO L231 Difference]: Finished difference. Result has 228 places, 225 transitions, 458 flow [2024-11-10 14:23:50,394 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=225, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=458, PETRI_PLACES=228, PETRI_TRANSITIONS=225} [2024-11-10 14:23:50,395 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -33 predicate places. [2024-11-10 14:23:50,395 INFO L471 AbstractCegarLoop]: Abstraction has has 228 places, 225 transitions, 458 flow [2024-11-10 14:23:50,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 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 14:23:50,396 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:50,396 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] [2024-11-10 14:23:50,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:23:50,396 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:50,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:50,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1004884403, now seen corresponding path program 1 times [2024-11-10 14:23:50,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:50,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440227679] [2024-11-10 14:23:50,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:50,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:50,472 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 14:23:50,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:50,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440227679] [2024-11-10 14:23:50,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440227679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:50,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:50,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:50,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863426628] [2024-11-10 14:23:50,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:50,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:50,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:50,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:50,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:50,483 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-10 14:23:50,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 228 places, 225 transitions, 458 flow. Second operand has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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 14:23:50,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:50,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-10 14:23:50,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:50,642 INFO L124 PetriNetUnfolderBase]: 175/712 cut-off events. [2024-11-10 14:23:50,642 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-10 14:23:50,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 712 events. 175/712 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3181 event pairs, 30 based on Foata normal form. 0/672 useless extension candidates. Maximal degree in co-relation 905. Up to 250 conditions per place. [2024-11-10 14:23:50,650 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 30 selfloop transitions, 1 changer transitions 0/234 dead transitions. [2024-11-10 14:23:50,651 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 234 transitions, 538 flow [2024-11-10 14:23:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2024-11-10 14:23:50,653 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8751560549313359 [2024-11-10 14:23:50,653 INFO L175 Difference]: Start difference. First operand has 228 places, 225 transitions, 458 flow. Second operand 3 states and 701 transitions. [2024-11-10 14:23:50,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 234 transitions, 538 flow [2024-11-10 14:23:50,656 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 234 transitions, 534 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:50,658 INFO L231 Difference]: Finished difference. Result has 227 places, 224 transitions, 454 flow [2024-11-10 14:23:50,659 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=224, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=223, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=227, PETRI_TRANSITIONS=224} [2024-11-10 14:23:50,660 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-11-10 14:23:50,661 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 224 transitions, 454 flow [2024-11-10 14:23:50,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 223.66666666666666) internal successors, (671), 3 states have internal predecessors, (671), 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 14:23:50,662 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:50,662 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] [2024-11-10 14:23:50,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:23:50,662 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:50,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:50,663 INFO L85 PathProgramCache]: Analyzing trace with hash -493082307, now seen corresponding path program 1 times [2024-11-10 14:23:50,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:50,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374666561] [2024-11-10 14:23:50,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:50,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:50,745 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 14:23:50,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:50,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374666561] [2024-11-10 14:23:50,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374666561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:50,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:50,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:50,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087540270] [2024-11-10 14:23:50,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:50,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:50,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:50,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:50,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:50,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 267 [2024-11-10 14:23:50,760 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 224 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 14:23:50,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:50,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 267 [2024-11-10 14:23:50,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:50,998 INFO L124 PetriNetUnfolderBase]: 195/1646 cut-off events. [2024-11-10 14:23:50,998 INFO L125 PetriNetUnfolderBase]: For 7/31 co-relation queries the response was YES. [2024-11-10 14:23:51,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2035 conditions, 1646 events. 195/1646 cut-off events. For 7/31 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10952 event pairs, 64 based on Foata normal form. 0/1521 useless extension candidates. Maximal degree in co-relation 1740. Up to 279 conditions per place. [2024-11-10 14:23:51,010 INFO L140 encePairwiseOnDemand]: 264/267 looper letters, 33 selfloop transitions, 2 changer transitions 0/233 dead transitions. [2024-11-10 14:23:51,010 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 233 transitions, 542 flow [2024-11-10 14:23:51,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:51,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 693 transitions. [2024-11-10 14:23:51,012 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8651685393258427 [2024-11-10 14:23:51,012 INFO L175 Difference]: Start difference. First operand has 227 places, 224 transitions, 454 flow. Second operand 3 states and 693 transitions. [2024-11-10 14:23:51,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 233 transitions, 542 flow [2024-11-10 14:23:51,014 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 227 places, 233 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:23:51,017 INFO L231 Difference]: Finished difference. Result has 227 places, 223 transitions, 455 flow [2024-11-10 14:23:51,017 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=455, PETRI_PLACES=227, PETRI_TRANSITIONS=223} [2024-11-10 14:23:51,018 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -34 predicate places. [2024-11-10 14:23:51,018 INFO L471 AbstractCegarLoop]: Abstraction has has 227 places, 223 transitions, 455 flow [2024-11-10 14:23:51,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 14:23:51,019 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:51,019 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] [2024-11-10 14:23:51,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:23:51,020 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:51,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:51,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1195151762, now seen corresponding path program 1 times [2024-11-10 14:23:51,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:51,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879157718] [2024-11-10 14:23:51,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:51,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:51,445 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 14:23:51,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:51,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879157718] [2024-11-10 14:23:51,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879157718] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:51,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:51,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:51,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665452325] [2024-11-10 14:23:51,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:51,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:51,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:51,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:51,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:51,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-10 14:23:51,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 227 places, 223 transitions, 455 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 14:23:51,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:51,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-10 14:23:51,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:52,543 INFO L124 PetriNetUnfolderBase]: 1267/3824 cut-off events. [2024-11-10 14:23:52,543 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2024-11-10 14:23:52,555 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5955 conditions, 3824 events. 1267/3824 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 29314 event pairs, 807 based on Foata normal form. 0/3651 useless extension candidates. Maximal degree in co-relation 5750. Up to 1776 conditions per place. [2024-11-10 14:23:52,571 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 61 selfloop transitions, 30 changer transitions 7/268 dead transitions. [2024-11-10 14:23:52,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 232 places, 268 transitions, 733 flow [2024-11-10 14:23:52,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-10 14:23:52,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-10 14:23:52,576 INFO L175 Difference]: Start difference. First operand has 227 places, 223 transitions, 455 flow. Second operand 6 states and 1271 transitions. [2024-11-10 14:23:52,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 232 places, 268 transitions, 733 flow [2024-11-10 14:23:52,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 230 places, 268 transitions, 729 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:23:52,583 INFO L231 Difference]: Finished difference. Result has 235 places, 245 transitions, 639 flow [2024-11-10 14:23:52,583 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=225, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=223, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=639, PETRI_PLACES=235, PETRI_TRANSITIONS=245} [2024-11-10 14:23:52,584 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -26 predicate places. [2024-11-10 14:23:52,584 INFO L471 AbstractCegarLoop]: Abstraction has has 235 places, 245 transitions, 639 flow [2024-11-10 14:23:52,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 14:23:52,585 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:52,585 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] [2024-11-10 14:23:52,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:23:52,586 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:52,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:52,586 INFO L85 PathProgramCache]: Analyzing trace with hash -2089614951, now seen corresponding path program 1 times [2024-11-10 14:23:52,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:52,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968031009] [2024-11-10 14:23:52,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:52,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:53,039 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 14:23:53,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:53,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968031009] [2024-11-10 14:23:53,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968031009] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:53,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:53,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:53,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154656780] [2024-11-10 14:23:53,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:53,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:53,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:53,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:53,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:53,410 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 267 [2024-11-10 14:23:53,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 235 places, 245 transitions, 639 flow. Second operand has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 14:23:53,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:53,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 267 [2024-11-10 14:23:53,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:54,308 INFO L124 PetriNetUnfolderBase]: 1489/3708 cut-off events. [2024-11-10 14:23:54,309 INFO L125 PetriNetUnfolderBase]: For 1053/1097 co-relation queries the response was YES. [2024-11-10 14:23:54,320 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7662 conditions, 3708 events. 1489/3708 cut-off events. For 1053/1097 co-relation queries the response was YES. Maximal size of possible extension queue 193. Compared 27140 event pairs, 793 based on Foata normal form. 0/3536 useless extension candidates. Maximal degree in co-relation 5134. Up to 1978 conditions per place. [2024-11-10 14:23:54,338 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 84 selfloop transitions, 30 changer transitions 11/290 dead transitions. [2024-11-10 14:23:54,338 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 233 places, 290 transitions, 1007 flow [2024-11-10 14:23:54,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:54,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:54,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1268 transitions. [2024-11-10 14:23:54,342 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7915106117353309 [2024-11-10 14:23:54,342 INFO L175 Difference]: Start difference. First operand has 235 places, 245 transitions, 639 flow. Second operand 6 states and 1268 transitions. [2024-11-10 14:23:54,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 233 places, 290 transitions, 1007 flow [2024-11-10 14:23:54,351 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 233 places, 290 transitions, 1007 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:23:54,355 INFO L231 Difference]: Finished difference. Result has 238 places, 263 transitions, 867 flow [2024-11-10 14:23:54,356 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=639, PETRI_DIFFERENCE_MINUEND_PLACES=228, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=867, PETRI_PLACES=238, PETRI_TRANSITIONS=263} [2024-11-10 14:23:54,357 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -23 predicate places. [2024-11-10 14:23:54,358 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 263 transitions, 867 flow [2024-11-10 14:23:54,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 198.66666666666666) internal successors, (1192), 6 states have internal predecessors, (1192), 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 14:23:54,359 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:54,359 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] [2024-11-10 14:23:54,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:23:54,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:54,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:54,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1299970741, now seen corresponding path program 1 times [2024-11-10 14:23:54,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:54,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504816867] [2024-11-10 14:23:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:54,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:54,772 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 14:23:54,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:54,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504816867] [2024-11-10 14:23:54,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504816867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:54,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:54,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:54,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785467978] [2024-11-10 14:23:54,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:54,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:54,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:54,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:54,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:55,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-10 14:23:55,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 263 transitions, 867 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 14:23:55,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:55,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-10 14:23:55,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:56,067 INFO L124 PetriNetUnfolderBase]: 1656/4307 cut-off events. [2024-11-10 14:23:56,068 INFO L125 PetriNetUnfolderBase]: For 2814/2920 co-relation queries the response was YES. [2024-11-10 14:23:56,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10408 conditions, 4307 events. 1656/4307 cut-off events. For 2814/2920 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 33748 event pairs, 667 based on Foata normal form. 0/4181 useless extension candidates. Maximal degree in co-relation 6805. Up to 2129 conditions per place. [2024-11-10 14:23:56,108 INFO L140 encePairwiseOnDemand]: 251/267 looper letters, 115 selfloop transitions, 26 changer transitions 0/307 dead transitions. [2024-11-10 14:23:56,108 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 231 places, 307 transitions, 1337 flow [2024-11-10 14:23:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:56,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1273 transitions. [2024-11-10 14:23:56,112 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7946317103620475 [2024-11-10 14:23:56,112 INFO L175 Difference]: Start difference. First operand has 238 places, 263 transitions, 867 flow. Second operand 6 states and 1273 transitions. [2024-11-10 14:23:56,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 231 places, 307 transitions, 1337 flow [2024-11-10 14:23:56,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 307 transitions, 1289 flow, removed 24 selfloop flow, removed 0 redundant places. [2024-11-10 14:23:56,126 INFO L231 Difference]: Finished difference. Result has 236 places, 283 transitions, 1051 flow [2024-11-10 14:23:56,127 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=817, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=262, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=248, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1051, PETRI_PLACES=236, PETRI_TRANSITIONS=283} [2024-11-10 14:23:56,128 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -25 predicate places. [2024-11-10 14:23:56,129 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 283 transitions, 1051 flow [2024-11-10 14:23:56,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 14:23:56,130 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:56,130 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] [2024-11-10 14:23:56,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:23:56,131 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:56,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:56,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1084900168, now seen corresponding path program 1 times [2024-11-10 14:23:56,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:56,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832551717] [2024-11-10 14:23:56,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:56,733 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 14:23:56,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:56,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832551717] [2024-11-10 14:23:56,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832551717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:56,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:56,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:56,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827963099] [2024-11-10 14:23:56,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:56,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:23:56,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:56,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:23:56,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:23:56,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 197 out of 267 [2024-11-10 14:23:56,995 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 283 transitions, 1051 flow. Second operand has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 14:23:56,995 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:56,995 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 197 of 267 [2024-11-10 14:23:56,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:57,861 INFO L124 PetriNetUnfolderBase]: 2004/4646 cut-off events. [2024-11-10 14:23:57,862 INFO L125 PetriNetUnfolderBase]: For 5580/5836 co-relation queries the response was YES. [2024-11-10 14:23:57,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13033 conditions, 4646 events. 2004/4646 cut-off events. For 5580/5836 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 35151 event pairs, 767 based on Foata normal form. 70/4577 useless extension candidates. Maximal degree in co-relation 10165. Up to 2513 conditions per place. [2024-11-10 14:23:57,911 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 128 selfloop transitions, 36 changer transitions 37/342 dead transitions. [2024-11-10 14:23:57,912 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 240 places, 342 transitions, 1771 flow [2024-11-10 14:23:57,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:57,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:57,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1271 transitions. [2024-11-10 14:23:57,915 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7933832709113608 [2024-11-10 14:23:57,915 INFO L175 Difference]: Start difference. First operand has 236 places, 283 transitions, 1051 flow. Second operand 6 states and 1271 transitions. [2024-11-10 14:23:57,915 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 240 places, 342 transitions, 1771 flow [2024-11-10 14:23:57,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 240 places, 342 transitions, 1771 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:23:57,929 INFO L231 Difference]: Finished difference. Result has 244 places, 281 transitions, 1383 flow [2024-11-10 14:23:57,930 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=1049, PETRI_DIFFERENCE_MINUEND_PLACES=235, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=282, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=270, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1383, PETRI_PLACES=244, PETRI_TRANSITIONS=281} [2024-11-10 14:23:57,932 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -17 predicate places. [2024-11-10 14:23:57,932 INFO L471 AbstractCegarLoop]: Abstraction has has 244 places, 281 transitions, 1383 flow [2024-11-10 14:23:57,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 200.33333333333334) internal successors, (1202), 6 states have internal predecessors, (1202), 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 14:23:57,933 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:57,933 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] [2024-11-10 14:23:57,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:23:57,937 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:57,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:57,938 INFO L85 PathProgramCache]: Analyzing trace with hash -68862727, now seen corresponding path program 1 times [2024-11-10 14:23:57,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:57,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987292617] [2024-11-10 14:23:57,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:57,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:58,085 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 14:23:58,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:58,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987292617] [2024-11-10 14:23:58,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987292617] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:58,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:58,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:23:58,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84915874] [2024-11-10 14:23:58,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:58,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:23:58,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:58,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:23:58,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:23:58,106 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 215 out of 267 [2024-11-10 14:23:58,108 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 244 places, 281 transitions, 1383 flow. Second operand has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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 14:23:58,108 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:58,108 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 215 of 267 [2024-11-10 14:23:58,108 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:58,408 INFO L124 PetriNetUnfolderBase]: 355/1034 cut-off events. [2024-11-10 14:23:58,408 INFO L125 PetriNetUnfolderBase]: For 1349/1349 co-relation queries the response was YES. [2024-11-10 14:23:58,413 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2489 conditions, 1034 events. 355/1034 cut-off events. For 1349/1349 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6166 event pairs, 30 based on Foata normal form. 0/1028 useless extension candidates. Maximal degree in co-relation 2467. Up to 247 conditions per place. [2024-11-10 14:23:58,417 INFO L140 encePairwiseOnDemand]: 262/267 looper letters, 61 selfloop transitions, 4 changer transitions 0/164 dead transitions. [2024-11-10 14:23:58,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 164 transitions, 662 flow [2024-11-10 14:23:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:23:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:23:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1356 transitions. [2024-11-10 14:23:58,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.846441947565543 [2024-11-10 14:23:58,421 INFO L175 Difference]: Start difference. First operand has 244 places, 281 transitions, 1383 flow. Second operand 6 states and 1356 transitions. [2024-11-10 14:23:58,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 164 transitions, 662 flow [2024-11-10 14:23:58,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 164 transitions, 522 flow, removed 70 selfloop flow, removed 3 redundant places. [2024-11-10 14:23:58,427 INFO L231 Difference]: Finished difference. Result has 150 places, 124 transitions, 272 flow [2024-11-10 14:23:58,427 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=124, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=272, PETRI_PLACES=150, PETRI_TRANSITIONS=124} [2024-11-10 14:23:58,428 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -111 predicate places. [2024-11-10 14:23:58,430 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 124 transitions, 272 flow [2024-11-10 14:23:58,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 217.4) internal successors, (1087), 5 states have internal predecessors, (1087), 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 14:23:58,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:23:58,431 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] [2024-11-10 14:23:58,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:23:58,431 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (and 24 more)] === [2024-11-10 14:23:58,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:23:58,432 INFO L85 PathProgramCache]: Analyzing trace with hash 534819320, now seen corresponding path program 1 times [2024-11-10 14:23:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:23:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155799967] [2024-11-10 14:23:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:23:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:23:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:23:58,530 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 14:23:58,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:23:58,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155799967] [2024-11-10 14:23:58,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155799967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:23:58,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:23:58,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:23:58,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262520544] [2024-11-10 14:23:58,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:23:58,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:23:58,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:23:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:23:58,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:23:58,538 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 223 out of 267 [2024-11-10 14:23:58,539 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 124 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 14:23:58,539 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:23:58,539 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 223 of 267 [2024-11-10 14:23:58,540 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:23:58,642 INFO L124 PetriNetUnfolderBase]: 70/354 cut-off events. [2024-11-10 14:23:58,642 INFO L125 PetriNetUnfolderBase]: For 41/109 co-relation queries the response was YES. [2024-11-10 14:23:58,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 354 events. 70/354 cut-off events. For 41/109 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1358 event pairs, 60 based on Foata normal form. 0/342 useless extension candidates. Maximal degree in co-relation 599. Up to 139 conditions per place. [2024-11-10 14:23:58,644 INFO L140 encePairwiseOnDemand]: 265/267 looper letters, 0 selfloop transitions, 0 changer transitions 128/128 dead transitions. [2024-11-10 14:23:58,644 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 128 transitions, 336 flow [2024-11-10 14:23:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:23:58,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:23:58,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 695 transitions. [2024-11-10 14:23:58,647 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.867665418227216 [2024-11-10 14:23:58,647 INFO L175 Difference]: Start difference. First operand has 150 places, 124 transitions, 272 flow. Second operand 3 states and 695 transitions. [2024-11-10 14:23:58,647 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 128 transitions, 336 flow [2024-11-10 14:23:58,648 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 128 transitions, 329 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:23:58,648 INFO L231 Difference]: Finished difference. Result has 147 places, 0 transitions, 0 flow [2024-11-10 14:23:58,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=263, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=147, PETRI_TRANSITIONS=0} [2024-11-10 14:23:58,649 INFO L277 CegarLoopForPetriNet]: 261 programPoint places, -114 predicate places. [2024-11-10 14:23:58,649 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 0 transitions, 0 flow [2024-11-10 14:23:58,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 228.0) internal successors, (684), 3 states have internal predecessors, (684), 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 14:23:58,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2024-11-10 14:23:58,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2024-11-10 14:23:58,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2024-11-10 14:23:58,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2024-11-10 14:23:58,654 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2024-11-10 14:23:58,655 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2024-11-10 14:23:58,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2024-11-10 14:23:58,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2024-11-10 14:23:58,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2024-11-10 14:23:58,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 27 remaining) [2024-11-10 14:23:58,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2024-11-10 14:23:58,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 27 remaining) [2024-11-10 14:23:58,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2024-11-10 14:23:58,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2024-11-10 14:23:58,660 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2024-11-10 14:23:58,661 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2024-11-10 14:23:58,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:23:58,662 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:23:58,669 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:23:58,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:23:58,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:23:58 BasicIcfg [2024-11-10 14:23:58,677 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:23:58,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:23:58,678 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:23:58,678 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:23:58,679 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:23:45" (3/4) ... [2024-11-10 14:23:58,681 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:23:58,685 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-10 14:23:58,693 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-11-10 14:23:58,694 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-10 14:23:58,695 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:23:58,695 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:23:58,796 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:23:58,796 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:23:58,799 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:23:58,800 INFO L158 Benchmark]: Toolchain (without parser) took 14882.15ms. Allocated memory was 144.7MB in the beginning and 752.9MB in the end (delta: 608.2MB). Free memory was 69.8MB in the beginning and 624.6MB in the end (delta: -554.8MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,800 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:23:58,800 INFO L158 Benchmark]: CACSL2BoogieTranslator took 779.57ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 69.5MB in the beginning and 129.1MB in the end (delta: -59.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.14ms. Allocated memory is still 188.7MB. Free memory was 129.1MB in the beginning and 124.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,800 INFO L158 Benchmark]: Boogie Preprocessor took 85.65ms. Allocated memory is still 188.7MB. Free memory was 124.9MB in the beginning and 120.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,801 INFO L158 Benchmark]: IcfgBuilder took 994.43ms. Allocated memory is still 188.7MB. Free memory was 120.7MB in the beginning and 66.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,801 INFO L158 Benchmark]: TraceAbstraction took 12799.12ms. Allocated memory was 188.7MB in the beginning and 752.9MB in the end (delta: 564.1MB). Free memory was 65.8MB in the beginning and 630.9MB in the end (delta: -565.1MB). Peak memory consumption was 431.5MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,801 INFO L158 Benchmark]: Witness Printer took 121.57ms. Allocated memory is still 752.9MB. Free memory was 630.9MB in the beginning and 624.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:23:58,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 95.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 779.57ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 69.5MB in the beginning and 129.1MB in the end (delta: -59.6MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.14ms. Allocated memory is still 188.7MB. Free memory was 129.1MB in the beginning and 124.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.65ms. Allocated memory is still 188.7MB. Free memory was 124.9MB in the beginning and 120.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 994.43ms. Allocated memory is still 188.7MB. Free memory was 120.7MB in the beginning and 66.2MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * TraceAbstraction took 12799.12ms. Allocated memory was 188.7MB in the beginning and 752.9MB in the end (delta: 564.1MB). Free memory was 65.8MB in the beginning and 630.9MB in the end (delta: -565.1MB). Peak memory consumption was 431.5MB. Max. memory is 16.1GB. * Witness Printer took 121.57ms. Allocated memory is still 752.9MB. Free memory was 630.9MB in the beginning and 624.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3929]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3930]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3973]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3941]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3944]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3947]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3950]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3952]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3974]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3975]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3969]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3976]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3970]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3907]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3910]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 3913]: 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 4 procedures, 280 locations, 27 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: 12.6s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1100 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 678 mSDsluCounter, 84 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2925 IncrementalHoareTripleChecker+Invalid, 3273 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 348 mSolverCounterUnsat, 72 mSDtfsCounter, 2925 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1383occurred in iteration=9, InterpolantAutomatonStates: 54, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 749 NumberOfCodeBlocks, 749 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 738 ConstructedInterpolants, 0 QuantifiedInterpolants, 1294 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 19 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:23:58,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE