./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.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/goblint-regression/28-race_reach_45-escape_racing.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 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:33:35,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:33:35,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:33:35,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:33:35,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:33:35,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:33:35,479 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:33:35,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:33:35,480 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:33:35,480 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:33:35,480 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:33:35,481 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:33:35,481 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:33:35,482 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:33:35,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:33:35,483 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:33:35,484 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:33:35,485 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:33:35,485 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:33:35,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:33:35,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:33:35,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:33:35,486 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:33:35,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:33:35,487 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:33:35,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:33:35,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:33:35,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:33:35,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:33:35,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:33:35,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:33:35,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:33:35,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:33:35,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:33:35,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:33:35,489 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:33:35,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4864acf28eb3fe42b4a237468061905eb474c41e1edb519c0790cee08cdc91bf [2024-11-10 14:33:35,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:33:35,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:33:35,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:33:35,705 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:33:35,705 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:33:35,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-10 14:33:36,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:33:37,137 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:33:37,138 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_45-escape_racing.i [2024-11-10 14:33:37,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4f2240c/058f15c72f5f4179818f7482aa4e133a/FLAGe9727d879 [2024-11-10 14:33:37,512 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c4f2240c/058f15c72f5f4179818f7482aa4e133a [2024-11-10 14:33:37,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:33:37,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:33:37,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:33:37,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:33:37,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:33:37,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e9da41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37, skipping insertion in model container [2024-11-10 14:33:37,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:33:37,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:33:37,848 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:33:37,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:33:37,931 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:33:37,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37 WrapperNode [2024-11-10 14:33:37,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:33:37,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:33:37,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:33:37,932 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:33:37,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,976 INFO L138 Inliner]: procedures = 171, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 75 [2024-11-10 14:33:37,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:33:37,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:33:37,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:33:37,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:33:37,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:37,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,001 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:33:38,014 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:33:38,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:33:38,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:33:38,014 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (1/1) ... [2024-11-10 14:33:38,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:33:38,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:33:38,042 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 14:33:38,045 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 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:33:38,076 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:33:38,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:33:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:33:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:33:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:33:38,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:33:38,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:33:38,078 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 14:33:38,178 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:33:38,180 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:33:38,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L708: havoc main_~#i~0#1.base, main_~#i~0#1.offset; [2024-11-10 14:33:38,307 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L708-1: SUMMARY for call ULTIMATE.dealloc(main_~#i~0#1.base, main_~#i~0#1.offset); srcloc: null [2024-11-10 14:33:38,389 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:33:38,389 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:33:38,427 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:33:38,427 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:33:38,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:33:38 BoogieIcfgContainer [2024-11-10 14:33:38,428 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:33:38,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:33:38,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:33:38,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:33:38,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:33:37" (1/3) ... [2024-11-10 14:33:38,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6a117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:33:38, skipping insertion in model container [2024-11-10 14:33:38,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:33:37" (2/3) ... [2024-11-10 14:33:38,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a6a117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:33:38, skipping insertion in model container [2024-11-10 14:33:38,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:33:38" (3/3) ... [2024-11-10 14:33:38,434 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-11-10 14:33:38,445 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:33:38,446 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2024-11-10 14:33:38,446 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:33:38,504 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:33:38,533 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 145 transitions, 297 flow [2024-11-10 14:33:38,569 INFO L124 PetriNetUnfolderBase]: 10/144 cut-off events. [2024-11-10 14:33:38,570 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:33:38,580 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 10/144 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 317 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 101. Up to 3 conditions per place. [2024-11-10 14:33:38,580 INFO L82 GeneralOperation]: Start removeDead. Operand has 139 places, 145 transitions, 297 flow [2024-11-10 14:33:38,585 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 131 places, 137 transitions, 277 flow [2024-11-10 14:33:38,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:33:38,600 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;@1b98fc15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:33:38,601 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 14:33:38,615 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:33:38,615 INFO L124 PetriNetUnfolderBase]: 2/79 cut-off events. [2024-11-10 14:33:38,615 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:33:38,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:33:38,616 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] [2024-11-10 14:33:38,616 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:33:38,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:33:38,621 INFO L85 PathProgramCache]: Analyzing trace with hash -435895280, now seen corresponding path program 1 times [2024-11-10 14:33:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:33:38,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416775981] [2024-11-10 14:33:38,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:33:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:33:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:33:39,308 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 14:33:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:33:39,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416775981] [2024-11-10 14:33:39,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416775981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:33:39,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:33:39,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:33:39,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364620152] [2024-11-10 14:33:39,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:33:39,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:33:39,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:33:39,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:33:39,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:33:39,512 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 145 [2024-11-10 14:33:39,517 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 137 transitions, 277 flow. Second operand has 6 states, 6 states have (on average 105.66666666666667) internal successors, (634), 6 states have internal predecessors, (634), 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 14:33:39,517 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:33:39,518 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 145 [2024-11-10 14:33:39,518 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:33:39,819 INFO L124 PetriNetUnfolderBase]: 202/1012 cut-off events. [2024-11-10 14:33:39,819 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:33:39,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1467 conditions, 1012 events. 202/1012 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6057 event pairs, 32 based on Foata normal form. 185/1126 useless extension candidates. Maximal degree in co-relation 1423. Up to 292 conditions per place. [2024-11-10 14:33:39,829 INFO L140 encePairwiseOnDemand]: 121/145 looper letters, 44 selfloop transitions, 37 changer transitions 8/187 dead transitions. [2024-11-10 14:33:39,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 187 transitions, 555 flow [2024-11-10 14:33:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:33:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:33:39,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 751 transitions. [2024-11-10 14:33:39,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8632183908045977 [2024-11-10 14:33:39,847 INFO L175 Difference]: Start difference. First operand has 131 places, 137 transitions, 277 flow. Second operand 6 states and 751 transitions. [2024-11-10 14:33:39,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 187 transitions, 555 flow [2024-11-10 14:33:39,851 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 187 transitions, 554 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:33:39,855 INFO L231 Difference]: Finished difference. Result has 138 places, 161 transitions, 498 flow [2024-11-10 14:33:39,856 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=498, PETRI_PLACES=138, PETRI_TRANSITIONS=161} [2024-11-10 14:33:39,858 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, 7 predicate places. [2024-11-10 14:33:39,858 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 161 transitions, 498 flow [2024-11-10 14:33:39,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.66666666666667) internal successors, (634), 6 states have internal predecessors, (634), 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 14:33:39,859 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:33:39,859 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] [2024-11-10 14:33:39,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:33:39,859 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:33:39,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:33:39,862 INFO L85 PathProgramCache]: Analyzing trace with hash -346024638, now seen corresponding path program 1 times [2024-11-10 14:33:39,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:33:39,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865922139] [2024-11-10 14:33:39,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:33:39,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:33:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:33:40,117 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 14:33:40,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:33:40,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865922139] [2024-11-10 14:33:40,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865922139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:33:40,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:33:40,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:33:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539764776] [2024-11-10 14:33:40,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:33:40,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:33:40,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:33:40,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:33:40,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:33:40,276 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 145 [2024-11-10 14:33:40,277 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 161 transitions, 498 flow. Second operand has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 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 14:33:40,277 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:33:40,277 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 145 [2024-11-10 14:33:40,277 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:33:40,406 INFO L124 PetriNetUnfolderBase]: 211/1007 cut-off events. [2024-11-10 14:33:40,406 INFO L125 PetriNetUnfolderBase]: For 190/196 co-relation queries the response was YES. [2024-11-10 14:33:40,409 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1782 conditions, 1007 events. 211/1007 cut-off events. For 190/196 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6164 event pairs, 70 based on Foata normal form. 0/967 useless extension candidates. Maximal degree in co-relation 1736. Up to 318 conditions per place. [2024-11-10 14:33:40,411 INFO L140 encePairwiseOnDemand]: 133/145 looper letters, 62 selfloop transitions, 18 changer transitions 0/175 dead transitions. [2024-11-10 14:33:40,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 175 transitions, 686 flow [2024-11-10 14:33:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:33:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:33:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 644 transitions. [2024-11-10 14:33:40,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7402298850574712 [2024-11-10 14:33:40,414 INFO L175 Difference]: Start difference. First operand has 138 places, 161 transitions, 498 flow. Second operand 6 states and 644 transitions. [2024-11-10 14:33:40,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 175 transitions, 686 flow [2024-11-10 14:33:40,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 175 transitions, 686 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:33:40,418 INFO L231 Difference]: Finished difference. Result has 141 places, 159 transitions, 530 flow [2024-11-10 14:33:40,419 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=530, PETRI_PLACES=141, PETRI_TRANSITIONS=159} [2024-11-10 14:33:40,419 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, 10 predicate places. [2024-11-10 14:33:40,419 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 159 transitions, 530 flow [2024-11-10 14:33:40,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.5) internal successors, (603), 6 states have internal predecessors, (603), 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 14:33:40,420 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:33:40,420 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] [2024-11-10 14:33:40,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:33:40,421 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:33:40,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:33:40,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1146273131, now seen corresponding path program 1 times [2024-11-10 14:33:40,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:33:40,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555576961] [2024-11-10 14:33:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:33:40,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:33:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:33:40,654 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 14:33:40,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:33:40,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555576961] [2024-11-10 14:33:40,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555576961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:33:40,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:33:40,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:33:40,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918303452] [2024-11-10 14:33:40,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:33:40,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:33:40,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:33:40,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:33:40,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:33:40,744 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 145 [2024-11-10 14:33:40,745 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 159 transitions, 530 flow. Second operand has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 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 14:33:40,745 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:33:40,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 145 [2024-11-10 14:33:40,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:33:40,935 INFO L124 PetriNetUnfolderBase]: 396/1558 cut-off events. [2024-11-10 14:33:40,935 INFO L125 PetriNetUnfolderBase]: For 526/528 co-relation queries the response was YES. [2024-11-10 14:33:40,938 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 1558 events. 396/1558 cut-off events. For 526/528 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10211 event pairs, 207 based on Foata normal form. 0/1485 useless extension candidates. Maximal degree in co-relation 3103. Up to 748 conditions per place. [2024-11-10 14:33:40,942 INFO L140 encePairwiseOnDemand]: 134/145 looper letters, 85 selfloop transitions, 32 changer transitions 0/202 dead transitions. [2024-11-10 14:33:40,942 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 202 transitions, 920 flow [2024-11-10 14:33:40,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:33:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:33:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 641 transitions. [2024-11-10 14:33:40,944 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7367816091954023 [2024-11-10 14:33:40,944 INFO L175 Difference]: Start difference. First operand has 141 places, 159 transitions, 530 flow. Second operand 6 states and 641 transitions. [2024-11-10 14:33:40,944 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 202 transitions, 920 flow [2024-11-10 14:33:40,947 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 202 transitions, 884 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:33:40,949 INFO L231 Difference]: Finished difference. Result has 146 places, 186 transitions, 778 flow [2024-11-10 14:33:40,950 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=494, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=778, PETRI_PLACES=146, PETRI_TRANSITIONS=186} [2024-11-10 14:33:40,951 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, 15 predicate places. [2024-11-10 14:33:40,951 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 186 transitions, 778 flow [2024-11-10 14:33:40,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 96.5) internal successors, (579), 6 states have internal predecessors, (579), 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 14:33:40,952 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:33:40,952 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] [2024-11-10 14:33:40,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:33:40,952 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:33:40,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:33:40,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1555092334, now seen corresponding path program 1 times [2024-11-10 14:33:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:33:40,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105706130] [2024-11-10 14:33:40,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:33:40,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:33:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:33:41,067 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 14:33:41,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:33:41,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105706130] [2024-11-10 14:33:41,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105706130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:33:41,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:33:41,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 14:33:41,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821349190] [2024-11-10 14:33:41,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:33:41,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:33:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:33:41,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:33:41,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:33:41,114 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 145 [2024-11-10 14:33:41,115 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 186 transitions, 778 flow. Second operand has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 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 14:33:41,116 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:33:41,116 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 145 [2024-11-10 14:33:41,116 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:33:41,196 INFO L124 PetriNetUnfolderBase]: 19/413 cut-off events. [2024-11-10 14:33:41,196 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES. [2024-11-10 14:33:41,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 637 conditions, 413 events. 19/413 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1435 event pairs, 11 based on Foata normal form. 4/405 useless extension candidates. Maximal degree in co-relation 584. Up to 43 conditions per place. [2024-11-10 14:33:41,197 INFO L140 encePairwiseOnDemand]: 136/145 looper letters, 7 selfloop transitions, 8 changer transitions 10/129 dead transitions. [2024-11-10 14:33:41,197 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 129 transitions, 374 flow [2024-11-10 14:33:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:33:41,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:33:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 622 transitions. [2024-11-10 14:33:41,199 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8579310344827586 [2024-11-10 14:33:41,199 INFO L175 Difference]: Start difference. First operand has 146 places, 186 transitions, 778 flow. Second operand 5 states and 622 transitions. [2024-11-10 14:33:41,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 129 transitions, 374 flow [2024-11-10 14:33:41,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 131 places, 129 transitions, 311 flow, removed 12 selfloop flow, removed 17 redundant places. [2024-11-10 14:33:41,201 INFO L231 Difference]: Finished difference. Result has 132 places, 117 transitions, 275 flow [2024-11-10 14:33:41,202 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=127, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=275, PETRI_PLACES=132, PETRI_TRANSITIONS=117} [2024-11-10 14:33:41,202 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, 1 predicate places. [2024-11-10 14:33:41,202 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 117 transitions, 275 flow [2024-11-10 14:33:41,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 121.16666666666667) internal successors, (727), 6 states have internal predecessors, (727), 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 14:33:41,203 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:33:41,203 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] [2024-11-10 14:33:41,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:33:41,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr3ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2024-11-10 14:33:41,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:33:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash 314655608, now seen corresponding path program 1 times [2024-11-10 14:33:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:33:41,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262450764] [2024-11-10 14:33:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:33:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:33:41,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:33:41,436 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 14:33:41,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:33:41,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262450764] [2024-11-10 14:33:41,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262450764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:33:41,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:33:41,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:33:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945074759] [2024-11-10 14:33:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:33:41,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:33:41,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:33:41,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:33:41,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:33:41,535 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 145 [2024-11-10 14:33:41,536 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 117 transitions, 275 flow. Second operand has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 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 14:33:41,536 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:33:41,536 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 145 [2024-11-10 14:33:41,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:33:41,594 INFO L124 PetriNetUnfolderBase]: 74/462 cut-off events. [2024-11-10 14:33:41,595 INFO L125 PetriNetUnfolderBase]: For 88/91 co-relation queries the response was YES. [2024-11-10 14:33:41,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 843 conditions, 462 events. 74/462 cut-off events. For 88/91 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1871 event pairs, 60 based on Foata normal form. 0/455 useless extension candidates. Maximal degree in co-relation 797. Up to 216 conditions per place. [2024-11-10 14:33:41,596 INFO L140 encePairwiseOnDemand]: 139/145 looper letters, 0 selfloop transitions, 0 changer transitions 124/124 dead transitions. [2024-11-10 14:33:41,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 124 transitions, 397 flow [2024-11-10 14:33:41,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:33:41,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:33:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 609 transitions. [2024-11-10 14:33:41,597 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7 [2024-11-10 14:33:41,597 INFO L175 Difference]: Start difference. First operand has 132 places, 117 transitions, 275 flow. Second operand 6 states and 609 transitions. [2024-11-10 14:33:41,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 124 transitions, 397 flow [2024-11-10 14:33:41,598 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 124 transitions, 391 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-10 14:33:41,599 INFO L231 Difference]: Finished difference. Result has 125 places, 0 transitions, 0 flow [2024-11-10 14:33:41,599 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=145, PETRI_DIFFERENCE_MINUEND_FLOW=267, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=125, PETRI_TRANSITIONS=0} [2024-11-10 14:33:41,599 INFO L277 CegarLoopForPetriNet]: 131 programPoint places, -6 predicate places. [2024-11-10 14:33:41,600 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 0 transitions, 0 flow [2024-11-10 14:33:41,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 98.5) internal successors, (591), 6 states have internal predecessors, (591), 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 14:33:41,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2024-11-10 14:33:41,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2024-11-10 14:33:41,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2024-11-10 14:33:41,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:33:41,604 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-10 14:33:41,607 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:33:41,607 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:33:41,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:33:41 BasicIcfg [2024-11-10 14:33:41,615 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:33:41,615 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:33:41,615 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:33:41,615 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:33:41,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:33:38" (3/4) ... [2024-11-10 14:33:41,617 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:33:41,620 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-10 14:33:41,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-10 14:33:41,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:33:41,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-10 14:33:41,622 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:33:41,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:33:41,689 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:33:41,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:33:41,693 INFO L158 Benchmark]: Toolchain (without parser) took 4177.35ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 144.4MB in the beginning and 92.7MB in the end (delta: 51.8MB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,693 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:33:41,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 415.53ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 120.6MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.11ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,693 INFO L158 Benchmark]: Boogie Preprocessor took 34.35ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,694 INFO L158 Benchmark]: IcfgBuilder took 414.10ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 93.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,694 INFO L158 Benchmark]: TraceAbstraction took 3185.54ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 93.4MB in the beginning and 96.9MB in the end (delta: -3.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,694 INFO L158 Benchmark]: Witness Printer took 77.17ms. Allocated memory is still 216.0MB. Free memory was 96.9MB in the beginning and 92.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:33:41,695 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 415.53ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 120.6MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.11ms. Allocated memory is still 176.2MB. Free memory was 120.6MB in the beginning and 118.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.35ms. Allocated memory is still 176.2MB. Free memory was 118.5MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 414.10ms. Allocated memory is still 176.2MB. Free memory was 116.5MB in the beginning and 93.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3185.54ms. Allocated memory was 176.2MB in the beginning and 216.0MB in the end (delta: 39.8MB). Free memory was 93.4MB in the beginning and 96.9MB in the end (delta: -3.5MB). Peak memory consumption was 35.3MB. Max. memory is 16.1GB. * Witness Printer took 77.17ms. Allocated memory is still 216.0MB. Free memory was 96.9MB in the beginning and 92.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 198 locations, 10 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 460 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 299 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 23 mSDsCounter, 144 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1104 IncrementalHoareTripleChecker+Invalid, 1248 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 144 mSolverCounterUnsat, 28 mSDtfsCounter, 1104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=778occurred in iteration=3, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 305 NumberOfCodeBlocks, 305 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:33:41,724 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE