./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_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_94-alloc_region_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 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:35:21,313 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:35:21,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:35:21,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:35:21,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:35:21,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:35:21,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:35:21,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:35:21,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:35:21,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:35:21,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:35:21,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:35:21,438 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:35:21,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:35:21,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:35:21,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:35:21,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:35:21,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:35:21,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:35:21,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:35:21,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:35:21,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:35:21,448 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:35:21,448 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:35:21,448 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:35:21,448 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:35:21,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:35:21,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:35:21,449 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:35:21,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:35:21,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:35:21,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:35:21,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:35:21,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:35:21,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:35:21,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:35:21,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:35:21,452 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:35:21,452 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:35:21,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:35:21,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:35:21,453 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08 [2024-11-10 14:35:21,694 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:35:21,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:35:21,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:35:21,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:35:21,731 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:35:21,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-10 14:35:23,233 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:35:23,500 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:35:23,500 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-10 14:35:23,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35966a02/b58cbe53104f4ec783f6ee8bed5c8873/FLAG447963f7e [2024-11-10 14:35:23,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d35966a02/b58cbe53104f4ec783f6ee8bed5c8873 [2024-11-10 14:35:23,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:35:23,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:35:23,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:35:23,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:35:23,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:35:23,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:35:23" (1/1) ... [2024-11-10 14:35:23,546 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f28090b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:23, skipping insertion in model container [2024-11-10 14:35:23,546 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:35:23" (1/1) ... [2024-11-10 14:35:23,599 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:35:24,265 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:35:24,284 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:35:24,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:35:24,432 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:35:24,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24 WrapperNode [2024-11-10 14:35:24,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:35:24,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:35:24,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:35:24,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:35:24,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,542 INFO L138 Inliner]: procedures = 378, calls = 83, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 433 [2024-11-10 14:35:24,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:35:24,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:35:24,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:35:24,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:35:24,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,637 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:35:24,640 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:35:24,640 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:35:24,640 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:35:24,641 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (1/1) ... [2024-11-10 14:35:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:35:24,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:35:24,676 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 14:35:24,683 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 14:35:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 14:35:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-10 14:35:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 14:35:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-10 14:35:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-10 14:35:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:35:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-10 14:35:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-10 14:35:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:35:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:35:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:35:24,738 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 14:35:24,935 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:35:24,937 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:35:25,609 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1270: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2024-11-10 14:35:25,610 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L1270-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2024-11-10 14:35:25,833 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:35:25,833 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:35:25,896 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:35:25,896 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:35:25,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:35:25 BoogieIcfgContainer [2024-11-10 14:35:25,897 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:35:25,899 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:35:25,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:35:25,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:35:25,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:35:23" (1/3) ... [2024-11-10 14:35:25,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d190cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:35:25, skipping insertion in model container [2024-11-10 14:35:25,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:35:24" (2/3) ... [2024-11-10 14:35:25,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29d190cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:35:25, skipping insertion in model container [2024-11-10 14:35:25,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:35:25" (3/3) ... [2024-11-10 14:35:25,906 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2024-11-10 14:35:25,924 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:35:25,925 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 29 error locations. [2024-11-10 14:35:25,925 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:35:26,054 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-10 14:35:26,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 453 places, 481 transitions, 969 flow [2024-11-10 14:35:26,385 INFO L124 PetriNetUnfolderBase]: 48/709 cut-off events. [2024-11-10 14:35:26,385 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-10 14:35:26,404 INFO L83 FinitePrefix]: Finished finitePrefix Result has 714 conditions, 709 events. 48/709 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 2437 event pairs, 0 based on Foata normal form. 0/614 useless extension candidates. Maximal degree in co-relation 397. Up to 8 conditions per place. [2024-11-10 14:35:26,404 INFO L82 GeneralOperation]: Start removeDead. Operand has 453 places, 481 transitions, 969 flow [2024-11-10 14:35:26,416 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 453 places, 481 transitions, 969 flow [2024-11-10 14:35:26,430 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:35:26,440 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;@49a820d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:35:26,440 INFO L334 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2024-11-10 14:35:26,446 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:35:26,447 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-10 14:35:26,447 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:35:26,447 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:26,448 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] [2024-11-10 14:35:26,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:26,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:26,456 INFO L85 PathProgramCache]: Analyzing trace with hash -20397304, now seen corresponding path program 1 times [2024-11-10 14:35:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:26,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056916998] [2024-11-10 14:35:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:26,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:27,348 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 14:35:27,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:27,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056916998] [2024-11-10 14:35:27,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056916998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:27,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:27,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:27,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848005951] [2024-11-10 14:35:27,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:27,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:27,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:27,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:27,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:28,038 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 305 out of 481 [2024-11-10 14:35:28,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 481 transitions, 969 flow. Second operand has 6 states, 6 states have (on average 306.3333333333333) internal successors, (1838), 6 states have internal predecessors, (1838), 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 14:35:28,047 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:28,047 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 305 of 481 [2024-11-10 14:35:28,048 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:31,317 INFO L124 PetriNetUnfolderBase]: 3778/14726 cut-off events. [2024-11-10 14:35:31,317 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:35:31,350 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22216 conditions, 14726 events. 3778/14726 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 139088 event pairs, 3600 based on Foata normal form. 1635/15220 useless extension candidates. Maximal degree in co-relation 21819. Up to 7480 conditions per place. [2024-11-10 14:35:31,437 INFO L140 encePairwiseOnDemand]: 448/481 looper letters, 141 selfloop transitions, 5 changer transitions 0/449 dead transitions. [2024-11-10 14:35:31,438 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 453 places, 449 transitions, 1197 flow [2024-11-10 14:35:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2004 transitions. [2024-11-10 14:35:31,466 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6943866943866944 [2024-11-10 14:35:31,469 INFO L175 Difference]: Start difference. First operand has 453 places, 481 transitions, 969 flow. Second operand 6 states and 2004 transitions. [2024-11-10 14:35:31,491 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 453 places, 449 transitions, 1197 flow [2024-11-10 14:35:31,505 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 453 places, 449 transitions, 1197 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:31,530 INFO L231 Difference]: Finished difference. Result has 453 places, 449 transitions, 915 flow [2024-11-10 14:35:31,537 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=905, PETRI_DIFFERENCE_MINUEND_PLACES=448, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=449, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=444, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=915, PETRI_PLACES=453, PETRI_TRANSITIONS=449} [2024-11-10 14:35:31,548 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 0 predicate places. [2024-11-10 14:35:31,548 INFO L471 AbstractCegarLoop]: Abstraction has has 453 places, 449 transitions, 915 flow [2024-11-10 14:35:31,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 306.3333333333333) internal successors, (1838), 6 states have internal predecessors, (1838), 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 14:35:31,550 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:31,550 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 14:35:31,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:35:31,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:31,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:31,556 INFO L85 PathProgramCache]: Analyzing trace with hash -602006035, now seen corresponding path program 1 times [2024-11-10 14:35:31,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:31,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296987543] [2024-11-10 14:35:31,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:31,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:32,088 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 14:35:32,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:32,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296987543] [2024-11-10 14:35:32,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296987543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:32,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:32,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:32,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604099647] [2024-11-10 14:35:32,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:32,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:32,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:32,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:32,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:33,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 481 [2024-11-10 14:35:33,039 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 453 places, 449 transitions, 915 flow. Second operand has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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 14:35:33,040 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:33,040 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 481 [2024-11-10 14:35:33,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:35,574 INFO L124 PetriNetUnfolderBase]: 1984/12809 cut-off events. [2024-11-10 14:35:35,574 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2024-11-10 14:35:35,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16684 conditions, 12809 events. 1984/12809 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 127676 event pairs, 1166 based on Foata normal form. 0/11638 useless extension candidates. Maximal degree in co-relation 16626. Up to 3409 conditions per place. [2024-11-10 14:35:35,652 INFO L140 encePairwiseOnDemand]: 444/481 looper letters, 138 selfloop transitions, 107 changer transitions 0/594 dead transitions. [2024-11-10 14:35:35,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 457 places, 594 transitions, 1698 flow [2024-11-10 14:35:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2359 transitions. [2024-11-10 14:35:35,744 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8173943173943174 [2024-11-10 14:35:35,744 INFO L175 Difference]: Start difference. First operand has 453 places, 449 transitions, 915 flow. Second operand 6 states and 2359 transitions. [2024-11-10 14:35:35,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 457 places, 594 transitions, 1698 flow [2024-11-10 14:35:35,748 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 452 places, 594 transitions, 1688 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:35:35,760 INFO L231 Difference]: Finished difference. Result has 457 places, 549 transitions, 1593 flow [2024-11-10 14:35:35,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=903, PETRI_DIFFERENCE_MINUEND_PLACES=447, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=448, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=413, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1593, PETRI_PLACES=457, PETRI_TRANSITIONS=549} [2024-11-10 14:35:35,764 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 4 predicate places. [2024-11-10 14:35:35,764 INFO L471 AbstractCegarLoop]: Abstraction has has 457 places, 549 transitions, 1593 flow [2024-11-10 14:35:35,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 353.8333333333333) internal successors, (2123), 6 states have internal predecessors, (2123), 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 14:35:35,766 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:35,766 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 14:35:35,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:35:35,766 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:35,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:35,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1870300344, now seen corresponding path program 1 times [2024-11-10 14:35:35,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:35,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205967158] [2024-11-10 14:35:35,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:35,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:36,157 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 14:35:36,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:36,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205967158] [2024-11-10 14:35:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205967158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:36,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:36,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111739298] [2024-11-10 14:35:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:36,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:36,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:36,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:36,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:36,685 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 481 [2024-11-10 14:35:36,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 457 places, 549 transitions, 1593 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 14:35:36,688 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:36,688 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 481 [2024-11-10 14:35:36,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:40,631 INFO L124 PetriNetUnfolderBase]: 5534/21575 cut-off events. [2024-11-10 14:35:40,632 INFO L125 PetriNetUnfolderBase]: For 3353/3403 co-relation queries the response was YES. [2024-11-10 14:35:40,682 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36749 conditions, 21575 events. 5534/21575 cut-off events. For 3353/3403 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 221722 event pairs, 3888 based on Foata normal form. 0/19714 useless extension candidates. Maximal degree in co-relation 36216. Up to 10652 conditions per place. [2024-11-10 14:35:40,749 INFO L140 encePairwiseOnDemand]: 428/481 looper letters, 277 selfloop transitions, 171 changer transitions 0/753 dead transitions. [2024-11-10 14:35:40,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 461 places, 753 transitions, 3089 flow [2024-11-10 14:35:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:40,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2198 transitions. [2024-11-10 14:35:40,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616077616077616 [2024-11-10 14:35:40,756 INFO L175 Difference]: Start difference. First operand has 457 places, 549 transitions, 1593 flow. Second operand 6 states and 2198 transitions. [2024-11-10 14:35:40,757 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 461 places, 753 transitions, 3089 flow [2024-11-10 14:35:40,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 461 places, 753 transitions, 3089 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:40,787 INFO L231 Difference]: Finished difference. Result has 466 places, 713 transitions, 2889 flow [2024-11-10 14:35:40,788 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=1591, PETRI_DIFFERENCE_MINUEND_PLACES=456, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=548, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=497, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2889, PETRI_PLACES=466, PETRI_TRANSITIONS=713} [2024-11-10 14:35:40,790 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 13 predicate places. [2024-11-10 14:35:40,790 INFO L471 AbstractCegarLoop]: Abstraction has has 466 places, 713 transitions, 2889 flow [2024-11-10 14:35:40,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 14:35:40,792 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:40,792 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:35:40,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:35:40,792 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:40,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:40,794 INFO L85 PathProgramCache]: Analyzing trace with hash 363562520, now seen corresponding path program 1 times [2024-11-10 14:35:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:40,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719694568] [2024-11-10 14:35:40,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:40,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:40,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:41,371 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 14:35:41,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:41,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719694568] [2024-11-10 14:35:41,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719694568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:41,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:41,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:41,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654024415] [2024-11-10 14:35:41,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:41,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:41,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:41,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:41,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:41,912 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 308 out of 481 [2024-11-10 14:35:41,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 466 places, 713 transitions, 2889 flow. Second operand has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 14:35:41,914 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:41,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 308 of 481 [2024-11-10 14:35:41,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:45,500 INFO L124 PetriNetUnfolderBase]: 5975/23119 cut-off events. [2024-11-10 14:35:45,500 INFO L125 PetriNetUnfolderBase]: For 7243/7305 co-relation queries the response was YES. [2024-11-10 14:35:45,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44076 conditions, 23119 events. 5975/23119 cut-off events. For 7243/7305 co-relation queries the response was YES. Maximal size of possible extension queue 221. Compared 237907 event pairs, 3928 based on Foata normal form. 0/21186 useless extension candidates. Maximal degree in co-relation 43519. Up to 11147 conditions per place. [2024-11-10 14:35:45,643 INFO L140 encePairwiseOnDemand]: 428/481 looper letters, 437 selfloop transitions, 171 changer transitions 0/917 dead transitions. [2024-11-10 14:35:45,643 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 470 places, 917 transitions, 5025 flow [2024-11-10 14:35:45,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:45,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2198 transitions. [2024-11-10 14:35:45,649 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7616077616077616 [2024-11-10 14:35:45,649 INFO L175 Difference]: Start difference. First operand has 466 places, 713 transitions, 2889 flow. Second operand 6 states and 2198 transitions. [2024-11-10 14:35:45,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 470 places, 917 transitions, 5025 flow [2024-11-10 14:35:45,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 470 places, 917 transitions, 4833 flow, removed 96 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:45,689 INFO L231 Difference]: Finished difference. Result has 475 places, 877 transitions, 4313 flow [2024-11-10 14:35:45,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=2695, PETRI_DIFFERENCE_MINUEND_PLACES=465, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=712, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=661, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=4313, PETRI_PLACES=475, PETRI_TRANSITIONS=877} [2024-11-10 14:35:45,691 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 22 predicate places. [2024-11-10 14:35:45,692 INFO L471 AbstractCegarLoop]: Abstraction has has 475 places, 877 transitions, 4313 flow [2024-11-10 14:35:45,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 310.6666666666667) internal successors, (1864), 6 states have internal predecessors, (1864), 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 14:35:45,694 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:45,694 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] [2024-11-10 14:35:45,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:35:45,694 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:45,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:45,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1539300354, now seen corresponding path program 1 times [2024-11-10 14:35:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423946333] [2024-11-10 14:35:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:45,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:46,332 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 14:35:46,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:46,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423946333] [2024-11-10 14:35:46,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423946333] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:46,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:46,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:46,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034318618] [2024-11-10 14:35:46,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:46,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:46,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:46,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:46,909 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 481 [2024-11-10 14:35:46,912 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 475 places, 877 transitions, 4313 flow. Second operand has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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 14:35:46,912 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:46,912 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 481 [2024-11-10 14:35:46,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:35:51,530 INFO L124 PetriNetUnfolderBase]: 6423/24386 cut-off events. [2024-11-10 14:35:51,530 INFO L125 PetriNetUnfolderBase]: For 13557/13681 co-relation queries the response was YES. [2024-11-10 14:35:51,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52242 conditions, 24386 events. 6423/24386 cut-off events. For 13557/13681 co-relation queries the response was YES. Maximal size of possible extension queue 236. Compared 252280 event pairs, 3909 based on Foata normal form. 0/22364 useless extension candidates. Maximal degree in co-relation 51605. Up to 12188 conditions per place. [2024-11-10 14:35:51,705 INFO L140 encePairwiseOnDemand]: 434/481 looper letters, 613 selfloop transitions, 166 changer transitions 0/1082 dead transitions. [2024-11-10 14:35:51,705 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 480 places, 1082 transitions, 7113 flow [2024-11-10 14:35:51,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:35:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:35:51,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2178 transitions. [2024-11-10 14:35:51,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7546777546777547 [2024-11-10 14:35:51,712 INFO L175 Difference]: Start difference. First operand has 475 places, 877 transitions, 4313 flow. Second operand 6 states and 2178 transitions. [2024-11-10 14:35:51,712 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 480 places, 1082 transitions, 7113 flow [2024-11-10 14:35:51,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 480 places, 1082 transitions, 6601 flow, removed 256 selfloop flow, removed 0 redundant places. [2024-11-10 14:35:51,760 INFO L231 Difference]: Finished difference. Result has 485 places, 1042 transitions, 5719 flow [2024-11-10 14:35:51,761 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=481, PETRI_DIFFERENCE_MINUEND_FLOW=3801, PETRI_DIFFERENCE_MINUEND_PLACES=475, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=877, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=41, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=831, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=5719, PETRI_PLACES=485, PETRI_TRANSITIONS=1042} [2024-11-10 14:35:51,764 INFO L277 CegarLoopForPetriNet]: 453 programPoint places, 32 predicate places. [2024-11-10 14:35:51,765 INFO L471 AbstractCegarLoop]: Abstraction has has 485 places, 1042 transitions, 5719 flow [2024-11-10 14:35:51,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 308.1666666666667) internal successors, (1849), 6 states have internal predecessors, (1849), 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 14:35:51,767 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:51,767 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:51,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:35:51,768 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 37 more)] === [2024-11-10 14:35:51,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash 449054903, now seen corresponding path program 1 times [2024-11-10 14:35:51,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:51,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59820191] [2024-11-10 14:35:51,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:51,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:35:51,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 14:35:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 14:35:51,887 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 14:35:51,889 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 14:35:51,891 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (39 of 40 remaining) [2024-11-10 14:35:51,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (38 of 40 remaining) [2024-11-10 14:35:51,896 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (37 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (36 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (35 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (34 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (33 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (32 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (31 of 40 remaining) [2024-11-10 14:35:51,897 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (30 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (29 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (28 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (27 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (26 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (25 of 40 remaining) [2024-11-10 14:35:51,898 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (24 of 40 remaining) [2024-11-10 14:35:51,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (23 of 40 remaining) [2024-11-10 14:35:51,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (22 of 40 remaining) [2024-11-10 14:35:51,899 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (21 of 40 remaining) [2024-11-10 14:35:51,900 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (20 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONDATA_RACE (19 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONDATA_RACE (18 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (17 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (16 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (15 of 40 remaining) [2024-11-10 14:35:51,901 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (14 of 40 remaining) [2024-11-10 14:35:51,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (13 of 40 remaining) [2024-11-10 14:35:51,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 40 remaining) [2024-11-10 14:35:51,902 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (10 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr9ASSERT_VIOLATIONDATA_RACE (9 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr8ASSERT_VIOLATIONDATA_RACE (8 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr7ASSERT_VIOLATIONDATA_RACE (7 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (6 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 40 remaining) [2024-11-10 14:35:51,903 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (4 of 40 remaining) [2024-11-10 14:35:51,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 40 remaining) [2024-11-10 14:35:51,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 40 remaining) [2024-11-10 14:35:51,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 40 remaining) [2024-11-10 14:35:51,904 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 40 remaining) [2024-11-10 14:35:51,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:35:51,905 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-10 14:35:51,909 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-11-10 14:35:51,910 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-11-10 14:35:52,008 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-10 14:35:52,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 609 places, 649 transitions, 1314 flow [2024-11-10 14:35:52,249 INFO L124 PetriNetUnfolderBase]: 81/1134 cut-off events. [2024-11-10 14:35:52,249 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:35:52,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1146 conditions, 1134 events. 81/1134 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 5169 event pairs, 0 based on Foata normal form. 0/979 useless extension candidates. Maximal degree in co-relation 711. Up to 12 conditions per place. [2024-11-10 14:35:52,278 INFO L82 GeneralOperation]: Start removeDead. Operand has 609 places, 649 transitions, 1314 flow [2024-11-10 14:35:52,293 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 609 places, 649 transitions, 1314 flow [2024-11-10 14:35:52,295 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:35:52,297 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;@49a820d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:35:52,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2024-11-10 14:35:52,303 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:35:52,303 INFO L124 PetriNetUnfolderBase]: 0/41 cut-off events. [2024-11-10 14:35:52,303 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:35:52,303 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:35:52,304 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] [2024-11-10 14:35:52,304 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-10 14:35:52,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:35:52,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1488081135, now seen corresponding path program 1 times [2024-11-10 14:35:52,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:35:52,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800268995] [2024-11-10 14:35:52,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:35:52,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:35:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:35:52,652 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 14:35:52,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:35:52,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800268995] [2024-11-10 14:35:52,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800268995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:35:52,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:35:52,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:35:52,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20844788] [2024-11-10 14:35:52,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:35:52,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:35:52,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:35:52,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:35:52,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:35:53,265 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 408 out of 649 [2024-11-10 14:35:53,268 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 609 places, 649 transitions, 1314 flow. Second operand has 6 states, 6 states have (on average 409.3333333333333) internal successors, (2456), 6 states have internal predecessors, (2456), 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 14:35:53,269 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:35:53,269 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 408 of 649 [2024-11-10 14:35:53,269 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand