./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:38:51,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:38:51,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:38:51,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:38:51,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:38:51,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:38:51,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:38:51,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:38:51,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:38:51,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:38:51,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:38:51,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:38:51,308 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:38:51,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:38:51,309 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:38:51,309 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:38:51,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:38:51,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:38:51,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:38:51,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:38:51,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:38:51,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:38:51,314 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:38:51,314 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:38:51,314 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:38:51,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:38:51,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:38:51,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:38:51,315 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:38:51,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:38:51,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:38:51,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:51,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:38:51,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:38:51,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:38:51,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:38:51,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:38:51,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:38:51,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:38:51,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:38:51,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:38:51,320 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39e90898aa78f5642c5c7d6f9df6b2e15e069a046a9465d5d61576c4b07f46b8 [2024-11-10 14:38:51,581 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:38:51,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:38:51,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:38:51,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:38:51,618 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:38:51,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-10 14:38:53,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:38:53,317 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:38:53,318 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/popl20-bad-dot-product.wvr.c [2024-11-10 14:38:53,329 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5aba28a8/1e244ecccb9247ddb2fc790bef51e00f/FLAG80ce71b39 [2024-11-10 14:38:53,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5aba28a8/1e244ecccb9247ddb2fc790bef51e00f [2024-11-10 14:38:53,701 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:38:53,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:38:53,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:53,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:38:53,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:38:53,711 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:53" (1/1) ... [2024-11-10 14:38:53,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e000543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:53, skipping insertion in model container [2024-11-10 14:38:53,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:53" (1/1) ... [2024-11-10 14:38:53,743 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:38:53,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:53,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:38:54,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:38:54,073 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:38:54,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54 WrapperNode [2024-11-10 14:38:54,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:38:54,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:54,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:38:54,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:38:54,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,153 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 17, calls inlined = 23, statements flattened = 413 [2024-11-10 14:38:54,154 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:38:54,154 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:38:54,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:38:54,155 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:38:54,164 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,176 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,176 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:38:54,205 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:38:54,205 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:38:54,205 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:38:54,207 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (1/1) ... [2024-11-10 14:38:54,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:38:54,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:38:54,261 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 14:38:54,265 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 14:38:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:38:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-10 14:38:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-10 14:38:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-10 14:38:54,317 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-10 14:38:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-10 14:38:54,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-10 14:38:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:38:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 14:38:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:38:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:38:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 14:38:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:38:54,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:38:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 14:38:54,323 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 14:38:54,455 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:38:54,457 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:38:55,187 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:38:55,188 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:38:55,428 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:38:55,429 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:38:55,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:55 BoogieIcfgContainer [2024-11-10 14:38:55,429 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:38:55,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:38:55,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:38:55,435 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:38:55,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:38:53" (1/3) ... [2024-11-10 14:38:55,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c93d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:55, skipping insertion in model container [2024-11-10 14:38:55,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:54" (2/3) ... [2024-11-10 14:38:55,437 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c93d7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:38:55, skipping insertion in model container [2024-11-10 14:38:55,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:55" (3/3) ... [2024-11-10 14:38:55,440 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product.wvr.c [2024-11-10 14:38:55,458 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:38:55,459 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 45 error locations. [2024-11-10 14:38:55,459 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:38:55,592 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-10 14:38:55,646 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 415 transitions, 851 flow [2024-11-10 14:38:55,773 INFO L124 PetriNetUnfolderBase]: 26/412 cut-off events. [2024-11-10 14:38:55,773 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-10 14:38:55,786 INFO L83 FinitePrefix]: Finished finitePrefix Result has 425 conditions, 412 events. 26/412 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 854 event pairs, 0 based on Foata normal form. 0/341 useless extension candidates. Maximal degree in co-relation 324. Up to 2 conditions per place. [2024-11-10 14:38:55,786 INFO L82 GeneralOperation]: Start removeDead. Operand has 399 places, 415 transitions, 851 flow [2024-11-10 14:38:55,795 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 380 places, 395 transitions, 808 flow [2024-11-10 14:38:55,807 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:38:55,814 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;@41ffdc53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:38:55,815 INFO L334 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2024-11-10 14:38:55,819 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:38:55,820 INFO L124 PetriNetUnfolderBase]: 0/24 cut-off events. [2024-11-10 14:38:55,820 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:38:55,820 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:55,821 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:55,822 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:38:55,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash 815383816, now seen corresponding path program 1 times [2024-11-10 14:38:55,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:55,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425048996] [2024-11-10 14:38:55,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:55,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:55,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:56,047 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 14:38:56,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425048996] [2024-11-10 14:38:56,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425048996] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:56,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:56,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:56,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411407823] [2024-11-10 14:38:56,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:56,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:56,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:56,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:56,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:56,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-10 14:38:56,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 380 places, 395 transitions, 808 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:56,221 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:56,221 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-10 14:38:56,222 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:56,530 INFO L124 PetriNetUnfolderBase]: 75/1121 cut-off events. [2024-11-10 14:38:56,530 INFO L125 PetriNetUnfolderBase]: For 48/48 co-relation queries the response was YES. [2024-11-10 14:38:56,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1250 conditions, 1121 events. 75/1121 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6044 event pairs, 38 based on Foata normal form. 80/1018 useless extension candidates. Maximal degree in co-relation 712. Up to 92 conditions per place. [2024-11-10 14:38:56,551 INFO L140 encePairwiseOnDemand]: 384/415 looper letters, 16 selfloop transitions, 2 changer transitions 5/366 dead transitions. [2024-11-10 14:38:56,551 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 366 transitions, 786 flow [2024-11-10 14:38:56,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:56,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1142 transitions. [2024-11-10 14:38:56,574 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9172690763052209 [2024-11-10 14:38:56,577 INFO L175 Difference]: Start difference. First operand has 380 places, 395 transitions, 808 flow. Second operand 3 states and 1142 transitions. [2024-11-10 14:38:56,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 366 transitions, 786 flow [2024-11-10 14:38:56,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 366 transitions, 774 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-10 14:38:56,592 INFO L231 Difference]: Finished difference. Result has 363 places, 361 transitions, 732 flow [2024-11-10 14:38:56,595 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=738, PETRI_DIFFERENCE_MINUEND_PLACES=361, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=366, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=732, PETRI_PLACES=363, PETRI_TRANSITIONS=361} [2024-11-10 14:38:56,601 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -17 predicate places. [2024-11-10 14:38:56,601 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 361 transitions, 732 flow [2024-11-10 14:38:56,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:56,603 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:56,603 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:56,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:38:56,604 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:38:56,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:56,604 INFO L85 PathProgramCache]: Analyzing trace with hash -458291395, now seen corresponding path program 1 times [2024-11-10 14:38:56,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:56,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232696547] [2024-11-10 14:38:56,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:56,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:56,685 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 14:38:56,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:56,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232696547] [2024-11-10 14:38:56,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232696547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:56,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:56,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:56,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623460771] [2024-11-10 14:38:56,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:56,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:56,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:56,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:56,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:56,721 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-10 14:38:56,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 361 transitions, 732 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:56,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:56,723 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-10 14:38:56,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:56,934 INFO L124 PetriNetUnfolderBase]: 62/849 cut-off events. [2024-11-10 14:38:56,934 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-10 14:38:56,940 INFO L83 FinitePrefix]: Finished finitePrefix Result has 950 conditions, 849 events. 62/849 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3781 event pairs, 34 based on Foata normal form. 0/714 useless extension candidates. Maximal degree in co-relation 918. Up to 85 conditions per place. [2024-11-10 14:38:56,945 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 16 selfloop transitions, 2 changer transitions 0/360 dead transitions. [2024-11-10 14:38:56,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 360 transitions, 766 flow [2024-11-10 14:38:56,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1114 transitions. [2024-11-10 14:38:56,950 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947791164658635 [2024-11-10 14:38:56,950 INFO L175 Difference]: Start difference. First operand has 363 places, 361 transitions, 732 flow. Second operand 3 states and 1114 transitions. [2024-11-10 14:38:56,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 360 transitions, 766 flow [2024-11-10 14:38:56,953 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 360 transitions, 762 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:56,959 INFO L231 Difference]: Finished difference. Result has 357 places, 360 transitions, 730 flow [2024-11-10 14:38:56,960 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=726, PETRI_DIFFERENCE_MINUEND_PLACES=355, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=360, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=358, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=730, PETRI_PLACES=357, PETRI_TRANSITIONS=360} [2024-11-10 14:38:56,961 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-11-10 14:38:56,961 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 360 transitions, 730 flow [2024-11-10 14:38:56,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:56,962 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:56,962 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:38:56,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:38:56,963 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:38:56,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -713281645, now seen corresponding path program 1 times [2024-11-10 14:38:56,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:56,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83002039] [2024-11-10 14:38:56,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:56,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:57,026 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 14:38:57,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:57,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83002039] [2024-11-10 14:38:57,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83002039] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:57,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:57,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:57,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978623064] [2024-11-10 14:38:57,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:57,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:57,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:57,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:57,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:57,069 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 365 out of 415 [2024-11-10 14:38:57,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 360 transitions, 730 flow. Second operand has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:57,075 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:57,075 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 365 of 415 [2024-11-10 14:38:57,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:57,247 INFO L124 PetriNetUnfolderBase]: 85/1025 cut-off events. [2024-11-10 14:38:57,248 INFO L125 PetriNetUnfolderBase]: For 9/9 co-relation queries the response was YES. [2024-11-10 14:38:57,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1157 conditions, 1025 events. 85/1025 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5481 event pairs, 56 based on Foata normal form. 0/869 useless extension candidates. Maximal degree in co-relation 1117. Up to 113 conditions per place. [2024-11-10 14:38:57,261 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 16 selfloop transitions, 2 changer transitions 0/359 dead transitions. [2024-11-10 14:38:57,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 764 flow [2024-11-10 14:38:57,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:57,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1114 transitions. [2024-11-10 14:38:57,264 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8947791164658635 [2024-11-10 14:38:57,264 INFO L175 Difference]: Start difference. First operand has 357 places, 360 transitions, 730 flow. Second operand 3 states and 1114 transitions. [2024-11-10 14:38:57,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 764 flow [2024-11-10 14:38:57,267 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 356 places, 359 transitions, 760 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:57,271 INFO L231 Difference]: Finished difference. Result has 356 places, 359 transitions, 728 flow [2024-11-10 14:38:57,272 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=354, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=359, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=357, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=728, PETRI_PLACES=356, PETRI_TRANSITIONS=359} [2024-11-10 14:38:57,273 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -24 predicate places. [2024-11-10 14:38:57,273 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 359 transitions, 728 flow [2024-11-10 14:38:57,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 366.3333333333333) internal successors, (1099), 3 states have internal predecessors, (1099), 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 14:38:57,274 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:57,274 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] [2024-11-10 14:38:57,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 14:38:57,275 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:38:57,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:57,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1469770616, now seen corresponding path program 1 times [2024-11-10 14:38:57,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:57,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539492363] [2024-11-10 14:38:57,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:57,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:57,348 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 14:38:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539492363] [2024-11-10 14:38:57,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539492363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:57,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:57,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:38:57,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235508200] [2024-11-10 14:38:57,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:57,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:38:57,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:57,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:38:57,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:38:57,374 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 415 [2024-11-10 14:38:57,376 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 359 transitions, 728 flow. Second operand has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:38:57,376 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:57,376 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 415 [2024-11-10 14:38:57,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:38:57,567 INFO L124 PetriNetUnfolderBase]: 99/1077 cut-off events. [2024-11-10 14:38:57,567 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2024-11-10 14:38:57,577 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1231 conditions, 1077 events. 99/1077 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 5717 event pairs, 59 based on Foata normal form. 0/907 useless extension candidates. Maximal degree in co-relation 1183. Up to 135 conditions per place. [2024-11-10 14:38:57,584 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/355 dead transitions. [2024-11-10 14:38:57,584 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 355 transitions, 756 flow [2024-11-10 14:38:57,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:38:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:38:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1111 transitions. [2024-11-10 14:38:57,587 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8923694779116466 [2024-11-10 14:38:57,587 INFO L175 Difference]: Start difference. First operand has 356 places, 359 transitions, 728 flow. Second operand 3 states and 1111 transitions. [2024-11-10 14:38:57,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 355 transitions, 756 flow [2024-11-10 14:38:57,590 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 352 places, 355 transitions, 752 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:38:57,593 INFO L231 Difference]: Finished difference. Result has 352 places, 355 transitions, 718 flow [2024-11-10 14:38:57,594 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=355, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=354, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=718, PETRI_PLACES=352, PETRI_TRANSITIONS=355} [2024-11-10 14:38:57,595 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -28 predicate places. [2024-11-10 14:38:57,595 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 355 transitions, 718 flow [2024-11-10 14:38:57,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:38:57,596 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:38:57,596 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] [2024-11-10 14:38:57,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 14:38:57,597 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:38:57,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:38:57,597 INFO L85 PathProgramCache]: Analyzing trace with hash 684649596, now seen corresponding path program 1 times [2024-11-10 14:38:57,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:38:57,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546228982] [2024-11-10 14:38:57,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:38:57,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:38:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:38:58,234 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 14:38:58,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:38:58,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546228982] [2024-11-10 14:38:58,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546228982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:38:58,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:38:58,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:38:58,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939785551] [2024-11-10 14:38:58,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:38:58,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:38:58,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:38:58,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:38:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:38:58,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 324 out of 415 [2024-11-10 14:38:58,504 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 355 transitions, 718 flow. Second operand has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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 14:38:58,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:38:58,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 324 of 415 [2024-11-10 14:38:58,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:00,480 INFO L124 PetriNetUnfolderBase]: 2877/11747 cut-off events. [2024-11-10 14:39:00,480 INFO L125 PetriNetUnfolderBase]: For 219/219 co-relation queries the response was YES. [2024-11-10 14:39:00,523 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15904 conditions, 11747 events. 2877/11747 cut-off events. For 219/219 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 125369 event pairs, 2079 based on Foata normal form. 0/9822 useless extension candidates. Maximal degree in co-relation 15857. Up to 4033 conditions per place. [2024-11-10 14:39:00,577 INFO L140 encePairwiseOnDemand]: 403/415 looper letters, 49 selfloop transitions, 10 changer transitions 0/353 dead transitions. [2024-11-10 14:39:00,578 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 353 transitions, 832 flow [2024-11-10 14:39:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:00,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2005 transitions. [2024-11-10 14:39:00,583 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8052208835341366 [2024-11-10 14:39:00,583 INFO L175 Difference]: Start difference. First operand has 352 places, 355 transitions, 718 flow. Second operand 6 states and 2005 transitions. [2024-11-10 14:39:00,583 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 353 transitions, 832 flow [2024-11-10 14:39:00,586 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 353 transitions, 831 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:00,589 INFO L231 Difference]: Finished difference. Result has 354 places, 353 transitions, 733 flow [2024-11-10 14:39:00,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=713, PETRI_DIFFERENCE_MINUEND_PLACES=349, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=353, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=343, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=733, PETRI_PLACES=354, PETRI_TRANSITIONS=353} [2024-11-10 14:39:00,591 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -26 predicate places. [2024-11-10 14:39:00,591 INFO L471 AbstractCegarLoop]: Abstraction has has 354 places, 353 transitions, 733 flow [2024-11-10 14:39:00,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 325.5) internal successors, (1953), 6 states have internal predecessors, (1953), 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 14:39:00,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:00,593 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] [2024-11-10 14:39:00,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 14:39:00,593 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:00,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash -323928143, now seen corresponding path program 1 times [2024-11-10 14:39:00,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550609286] [2024-11-10 14:39:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:00,625 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 14:39:00,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:00,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550609286] [2024-11-10 14:39:00,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550609286] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:00,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:00,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:00,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852464065] [2024-11-10 14:39:00,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:00,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:00,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:00,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:00,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:00,723 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 415 [2024-11-10 14:39:00,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 354 places, 353 transitions, 733 flow. Second operand has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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 14:39:00,725 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:00,725 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 415 [2024-11-10 14:39:00,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:01,070 INFO L124 PetriNetUnfolderBase]: 229/1854 cut-off events. [2024-11-10 14:39:01,070 INFO L125 PetriNetUnfolderBase]: For 36/39 co-relation queries the response was YES. [2024-11-10 14:39:01,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2194 conditions, 1854 events. 229/1854 cut-off events. For 36/39 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 12607 event pairs, 135 based on Foata normal form. 0/1570 useless extension candidates. Maximal degree in co-relation 2161. Up to 304 conditions per place. [2024-11-10 14:39:01,092 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 18 selfloop transitions, 2 changer transitions 0/352 dead transitions. [2024-11-10 14:39:01,093 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 352 transitions, 771 flow [2024-11-10 14:39:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:01,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1110 transitions. [2024-11-10 14:39:01,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.891566265060241 [2024-11-10 14:39:01,097 INFO L175 Difference]: Start difference. First operand has 354 places, 353 transitions, 733 flow. Second operand 3 states and 1110 transitions. [2024-11-10 14:39:01,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 352 transitions, 771 flow [2024-11-10 14:39:01,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 350 places, 352 transitions, 751 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:01,106 INFO L231 Difference]: Finished difference. Result has 350 places, 352 transitions, 715 flow [2024-11-10 14:39:01,107 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=352, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=350, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=715, PETRI_PLACES=350, PETRI_TRANSITIONS=352} [2024-11-10 14:39:01,108 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -30 predicate places. [2024-11-10 14:39:01,108 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 352 transitions, 715 flow [2024-11-10 14:39:01,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.3333333333333) internal successors, (1093), 3 states have internal predecessors, (1093), 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 14:39:01,110 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:01,110 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] [2024-11-10 14:39:01,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 14:39:01,110 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:01,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:01,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1357111496, now seen corresponding path program 1 times [2024-11-10 14:39:01,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:01,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304085847] [2024-11-10 14:39:01,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:01,165 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 14:39:01,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:01,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304085847] [2024-11-10 14:39:01,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304085847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:01,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:01,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:01,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14398285] [2024-11-10 14:39:01,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:01,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:01,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:01,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:01,187 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 415 [2024-11-10 14:39:01,189 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 352 transitions, 715 flow. Second operand has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:39:01,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:01,190 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 415 [2024-11-10 14:39:01,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:01,542 INFO L124 PetriNetUnfolderBase]: 267/2527 cut-off events. [2024-11-10 14:39:01,542 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2024-11-10 14:39:01,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2877 conditions, 2527 events. 267/2527 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 19583 event pairs, 135 based on Foata normal form. 0/2145 useless extension candidates. Maximal degree in co-relation 2829. Up to 322 conditions per place. [2024-11-10 14:39:01,571 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/348 dead transitions. [2024-11-10 14:39:01,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 348 transitions, 743 flow [2024-11-10 14:39:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:01,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1111 transitions. [2024-11-10 14:39:01,575 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8923694779116466 [2024-11-10 14:39:01,575 INFO L175 Difference]: Start difference. First operand has 350 places, 352 transitions, 715 flow. Second operand 3 states and 1111 transitions. [2024-11-10 14:39:01,575 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 348 places, 348 transitions, 743 flow [2024-11-10 14:39:01,577 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 348 transitions, 739 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:01,580 INFO L231 Difference]: Finished difference. Result has 346 places, 348 transitions, 705 flow [2024-11-10 14:39:01,581 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=347, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=705, PETRI_PLACES=346, PETRI_TRANSITIONS=348} [2024-11-10 14:39:01,581 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -34 predicate places. [2024-11-10 14:39:01,582 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 348 transitions, 705 flow [2024-11-10 14:39:01,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:39:01,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:01,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:01,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 14:39:01,583 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:01,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:01,584 INFO L85 PathProgramCache]: Analyzing trace with hash -526529909, now seen corresponding path program 1 times [2024-11-10 14:39:01,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:01,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651022956] [2024-11-10 14:39:01,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:01,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:01,639 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 14:39:01,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:01,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651022956] [2024-11-10 14:39:01,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651022956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:01,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:01,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:01,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764451614] [2024-11-10 14:39:01,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:01,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:01,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:01,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:01,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:01,651 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 369 out of 415 [2024-11-10 14:39:01,652 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 348 transitions, 705 flow. Second operand has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 14:39:01,652 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:01,652 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 369 of 415 [2024-11-10 14:39:01,653 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:01,741 INFO L124 PetriNetUnfolderBase]: 32/599 cut-off events. [2024-11-10 14:39:01,741 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-10 14:39:01,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 652 conditions, 599 events. 32/599 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1959 event pairs, 15 based on Foata normal form. 0/530 useless extension candidates. Maximal degree in co-relation 604. Up to 40 conditions per place. [2024-11-10 14:39:01,748 INFO L140 encePairwiseOnDemand]: 412/415 looper letters, 12 selfloop transitions, 2 changer transitions 0/347 dead transitions. [2024-11-10 14:39:01,748 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 347 transitions, 731 flow [2024-11-10 14:39:01,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:01,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1122 transitions. [2024-11-10 14:39:01,752 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9012048192771084 [2024-11-10 14:39:01,752 INFO L175 Difference]: Start difference. First operand has 346 places, 348 transitions, 705 flow. Second operand 3 states and 1122 transitions. [2024-11-10 14:39:01,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 347 transitions, 731 flow [2024-11-10 14:39:01,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 347 transitions, 730 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:01,758 INFO L231 Difference]: Finished difference. Result has 346 places, 347 transitions, 706 flow [2024-11-10 14:39:01,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=702, PETRI_DIFFERENCE_MINUEND_PLACES=344, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=345, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=706, PETRI_PLACES=346, PETRI_TRANSITIONS=347} [2024-11-10 14:39:01,763 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -34 predicate places. [2024-11-10 14:39:01,763 INFO L471 AbstractCegarLoop]: Abstraction has has 346 places, 347 transitions, 706 flow [2024-11-10 14:39:01,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 370.3333333333333) internal successors, (1111), 3 states have internal predecessors, (1111), 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 14:39:01,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:01,768 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:01,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 14:39:01,768 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:01,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:01,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1906524752, now seen corresponding path program 1 times [2024-11-10 14:39:01,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:01,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44389869] [2024-11-10 14:39:01,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:01,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:01,809 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 14:39:01,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:01,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44389869] [2024-11-10 14:39:01,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44389869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:01,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:01,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:01,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38207187] [2024-11-10 14:39:01,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:01,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:01,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:01,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:01,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:01,829 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 415 [2024-11-10 14:39:01,831 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 346 places, 347 transitions, 706 flow. Second operand has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:39:01,831 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:01,832 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 415 [2024-11-10 14:39:01,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:02,038 INFO L124 PetriNetUnfolderBase]: 123/1368 cut-off events. [2024-11-10 14:39:02,039 INFO L125 PetriNetUnfolderBase]: For 21/21 co-relation queries the response was YES. [2024-11-10 14:39:02,049 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1537 conditions, 1368 events. 123/1368 cut-off events. For 21/21 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8525 event pairs, 71 based on Foata normal form. 0/1191 useless extension candidates. Maximal degree in co-relation 1489. Up to 150 conditions per place. [2024-11-10 14:39:02,055 INFO L140 encePairwiseOnDemand]: 410/415 looper letters, 17 selfloop transitions, 1 changer transitions 0/343 dead transitions. [2024-11-10 14:39:02,055 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 344 places, 343 transitions, 734 flow [2024-11-10 14:39:02,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:02,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1111 transitions. [2024-11-10 14:39:02,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8923694779116466 [2024-11-10 14:39:02,059 INFO L175 Difference]: Start difference. First operand has 346 places, 347 transitions, 706 flow. Second operand 3 states and 1111 transitions. [2024-11-10 14:39:02,059 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 344 places, 343 transitions, 734 flow [2024-11-10 14:39:02,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 342 places, 343 transitions, 730 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:02,066 INFO L231 Difference]: Finished difference. Result has 342 places, 343 transitions, 696 flow [2024-11-10 14:39:02,067 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=694, PETRI_DIFFERENCE_MINUEND_PLACES=340, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=696, PETRI_PLACES=342, PETRI_TRANSITIONS=343} [2024-11-10 14:39:02,067 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -38 predicate places. [2024-11-10 14:39:02,068 INFO L471 AbstractCegarLoop]: Abstraction has has 342 places, 343 transitions, 696 flow [2024-11-10 14:39:02,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 364.0) internal successors, (1092), 3 states have internal predecessors, (1092), 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 14:39:02,069 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:02,069 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:02,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 14:39:02,070 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:02,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:02,070 INFO L85 PathProgramCache]: Analyzing trace with hash 900637744, now seen corresponding path program 1 times [2024-11-10 14:39:02,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:02,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399903474] [2024-11-10 14:39:02,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:02,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:02,129 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 14:39:02,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:02,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399903474] [2024-11-10 14:39:02,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399903474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:02,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:02,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:02,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265017748] [2024-11-10 14:39:02,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:02,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:02,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:02,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:02,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:02,157 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 357 out of 415 [2024-11-10 14:39:02,159 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 342 places, 343 transitions, 696 flow. Second operand has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 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 14:39:02,159 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:02,159 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 357 of 415 [2024-11-10 14:39:02,159 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:02,732 INFO L124 PetriNetUnfolderBase]: 771/4415 cut-off events. [2024-11-10 14:39:02,732 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-10 14:39:02,759 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5497 conditions, 4415 events. 771/4415 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 39484 event pairs, 325 based on Foata normal form. 0/3898 useless extension candidates. Maximal degree in co-relation 5450. Up to 1026 conditions per place. [2024-11-10 14:39:02,775 INFO L140 encePairwiseOnDemand]: 406/415 looper letters, 27 selfloop transitions, 3 changer transitions 0/345 dead transitions. [2024-11-10 14:39:02,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 345 transitions, 765 flow [2024-11-10 14:39:02,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:02,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1107 transitions. [2024-11-10 14:39:02,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8891566265060241 [2024-11-10 14:39:02,779 INFO L175 Difference]: Start difference. First operand has 342 places, 343 transitions, 696 flow. Second operand 3 states and 1107 transitions. [2024-11-10 14:39:02,779 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 345 transitions, 765 flow [2024-11-10 14:39:02,781 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 337 places, 345 transitions, 764 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:02,786 INFO L231 Difference]: Finished difference. Result has 338 places, 340 transitions, 704 flow [2024-11-10 14:39:02,787 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=683, PETRI_DIFFERENCE_MINUEND_PLACES=335, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=337, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=704, PETRI_PLACES=338, PETRI_TRANSITIONS=340} [2024-11-10 14:39:02,788 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -42 predicate places. [2024-11-10 14:39:02,789 INFO L471 AbstractCegarLoop]: Abstraction has has 338 places, 340 transitions, 704 flow [2024-11-10 14:39:02,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 358.3333333333333) internal successors, (1075), 3 states have internal predecessors, (1075), 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 14:39:02,790 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:02,790 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:02,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 14:39:02,790 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:02,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:02,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1681145165, now seen corresponding path program 1 times [2024-11-10 14:39:02,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:02,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739438025] [2024-11-10 14:39:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:02,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:02,953 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 14:39:02,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:02,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739438025] [2024-11-10 14:39:02,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739438025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:02,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:02,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 14:39:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223944243] [2024-11-10 14:39:02,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:02,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 14:39:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:02,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 14:39:02,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 14:39:03,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 352 out of 415 [2024-11-10 14:39:03,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 338 places, 340 transitions, 704 flow. Second operand has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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 14:39:03,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:03,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 352 of 415 [2024-11-10 14:39:03,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:03,716 INFO L124 PetriNetUnfolderBase]: 217/2205 cut-off events. [2024-11-10 14:39:03,716 INFO L125 PetriNetUnfolderBase]: For 21/48 co-relation queries the response was YES. [2024-11-10 14:39:03,731 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2615 conditions, 2205 events. 217/2205 cut-off events. For 21/48 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 15446 event pairs, 79 based on Foata normal form. 9/2006 useless extension candidates. Maximal degree in co-relation 2566. Up to 188 conditions per place. [2024-11-10 14:39:03,738 INFO L140 encePairwiseOnDemand]: 402/415 looper letters, 47 selfloop transitions, 14 changer transitions 0/368 dead transitions. [2024-11-10 14:39:03,738 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 368 transitions, 890 flow [2024-11-10 14:39:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 14:39:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-10 14:39:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 3582 transitions. [2024-11-10 14:39:03,746 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.863132530120482 [2024-11-10 14:39:03,747 INFO L175 Difference]: Start difference. First operand has 338 places, 340 transitions, 704 flow. Second operand 10 states and 3582 transitions. [2024-11-10 14:39:03,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 368 transitions, 890 flow [2024-11-10 14:39:03,750 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 368 transitions, 890 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:39:03,754 INFO L231 Difference]: Finished difference. Result has 351 places, 347 transitions, 770 flow [2024-11-10 14:39:03,754 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=340, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=328, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=770, PETRI_PLACES=351, PETRI_TRANSITIONS=347} [2024-11-10 14:39:03,755 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -29 predicate places. [2024-11-10 14:39:03,755 INFO L471 AbstractCegarLoop]: Abstraction has has 351 places, 347 transitions, 770 flow [2024-11-10 14:39:03,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 355.0) internal successors, (2485), 7 states have internal predecessors, (2485), 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 14:39:03,757 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:03,757 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:03,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 14:39:03,757 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:03,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:03,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2120986960, now seen corresponding path program 1 times [2024-11-10 14:39:03,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:03,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471370220] [2024-11-10 14:39:03,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:03,889 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 14:39:03,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:03,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471370220] [2024-11-10 14:39:03,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471370220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:03,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:03,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:03,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221949031] [2024-11-10 14:39:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:03,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 14:39:03,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:03,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 14:39:03,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 14:39:03,956 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 363 out of 415 [2024-11-10 14:39:03,958 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 351 places, 347 transitions, 770 flow. Second operand has 5 states, 5 states have (on average 365.0) internal successors, (1825), 5 states have internal predecessors, (1825), 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 14:39:03,958 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:03,958 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 363 of 415 [2024-11-10 14:39:03,958 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:04,442 INFO L124 PetriNetUnfolderBase]: 337/2698 cut-off events. [2024-11-10 14:39:04,442 INFO L125 PetriNetUnfolderBase]: For 102/148 co-relation queries the response was YES. [2024-11-10 14:39:04,470 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3351 conditions, 2698 events. 337/2698 cut-off events. For 102/148 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 19097 event pairs, 129 based on Foata normal form. 18/2430 useless extension candidates. Maximal degree in co-relation 3293. Up to 327 conditions per place. [2024-11-10 14:39:04,481 INFO L140 encePairwiseOnDemand]: 409/415 looper letters, 31 selfloop transitions, 5 changer transitions 0/362 dead transitions. [2024-11-10 14:39:04,481 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 355 places, 362 transitions, 880 flow [2024-11-10 14:39:04,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 14:39:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-10 14:39:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1852 transitions. [2024-11-10 14:39:04,486 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8925301204819277 [2024-11-10 14:39:04,486 INFO L175 Difference]: Start difference. First operand has 351 places, 347 transitions, 770 flow. Second operand 5 states and 1852 transitions. [2024-11-10 14:39:04,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 355 places, 362 transitions, 880 flow [2024-11-10 14:39:04,490 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 362 transitions, 876 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:04,494 INFO L231 Difference]: Finished difference. Result has 356 places, 349 transitions, 791 flow [2024-11-10 14:39:04,495 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=766, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=791, PETRI_PLACES=356, PETRI_TRANSITIONS=349} [2024-11-10 14:39:04,496 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -24 predicate places. [2024-11-10 14:39:04,496 INFO L471 AbstractCegarLoop]: Abstraction has has 356 places, 349 transitions, 791 flow [2024-11-10 14:39:04,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 365.0) internal successors, (1825), 5 states have internal predecessors, (1825), 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 14:39:04,498 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:04,498 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:39:04,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 14:39:04,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread2Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:04,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:04,499 INFO L85 PathProgramCache]: Analyzing trace with hash 178609706, now seen corresponding path program 1 times [2024-11-10 14:39:04,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:04,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376453859] [2024-11-10 14:39:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:04,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:05,028 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 14:39:05,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:05,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376453859] [2024-11-10 14:39:05,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376453859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:05,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:05,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:05,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588065288] [2024-11-10 14:39:05,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:05,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:05,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:05,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:05,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:05,371 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 415 [2024-11-10 14:39:05,374 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 356 places, 349 transitions, 791 flow. Second operand has 6 states, 6 states have (on average 352.6666666666667) internal successors, (2116), 6 states have internal predecessors, (2116), 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 14:39:05,374 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:05,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 415 [2024-11-10 14:39:05,374 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:06,033 INFO L124 PetriNetUnfolderBase]: 511/2772 cut-off events. [2024-11-10 14:39:06,034 INFO L125 PetriNetUnfolderBase]: For 303/357 co-relation queries the response was YES. [2024-11-10 14:39:06,059 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3876 conditions, 2772 events. 511/2772 cut-off events. For 303/357 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 21188 event pairs, 110 based on Foata normal form. 4/2464 useless extension candidates. Maximal degree in co-relation 3819. Up to 332 conditions per place. [2024-11-10 14:39:06,071 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 45 selfloop transitions, 5 changer transitions 0/363 dead transitions. [2024-11-10 14:39:06,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 359 places, 363 transitions, 927 flow [2024-11-10 14:39:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:06,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2156 transitions. [2024-11-10 14:39:06,078 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8658634538152611 [2024-11-10 14:39:06,078 INFO L175 Difference]: Start difference. First operand has 356 places, 349 transitions, 791 flow. Second operand 6 states and 2156 transitions. [2024-11-10 14:39:06,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 359 places, 363 transitions, 927 flow [2024-11-10 14:39:06,082 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 357 places, 363 transitions, 922 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-10 14:39:06,087 INFO L231 Difference]: Finished difference. Result has 357 places, 347 transitions, 792 flow [2024-11-10 14:39:06,088 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=782, PETRI_DIFFERENCE_MINUEND_PLACES=352, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=342, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=792, PETRI_PLACES=357, PETRI_TRANSITIONS=347} [2024-11-10 14:39:06,088 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -23 predicate places. [2024-11-10 14:39:06,088 INFO L471 AbstractCegarLoop]: Abstraction has has 357 places, 347 transitions, 792 flow [2024-11-10 14:39:06,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.6666666666667) internal successors, (2116), 6 states have internal predecessors, (2116), 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 14:39:06,091 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:06,091 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:39:06,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 14:39:06,091 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:06,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash 447868625, now seen corresponding path program 1 times [2024-11-10 14:39:06,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:06,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442840890] [2024-11-10 14:39:06,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:06,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:06,643 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 14:39:06,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:06,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442840890] [2024-11-10 14:39:06,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442840890] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:06,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:06,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:06,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720398809] [2024-11-10 14:39:06,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:06,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:06,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:06,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:06,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:07,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 415 [2024-11-10 14:39:07,017 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 357 places, 347 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 352.8333333333333) internal successors, (2117), 6 states have internal predecessors, (2117), 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 14:39:07,017 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:07,017 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 415 [2024-11-10 14:39:07,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:07,647 INFO L124 PetriNetUnfolderBase]: 631/2923 cut-off events. [2024-11-10 14:39:07,647 INFO L125 PetriNetUnfolderBase]: For 306/427 co-relation queries the response was YES. [2024-11-10 14:39:07,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4125 conditions, 2923 events. 631/2923 cut-off events. For 306/427 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 22286 event pairs, 88 based on Foata normal form. 0/2661 useless extension candidates. Maximal degree in co-relation 4068. Up to 496 conditions per place. [2024-11-10 14:39:07,669 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 43 selfloop transitions, 5 changer transitions 0/361 dead transitions. [2024-11-10 14:39:07,669 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 360 places, 361 transitions, 924 flow [2024-11-10 14:39:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:07,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:07,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2156 transitions. [2024-11-10 14:39:07,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8658634538152611 [2024-11-10 14:39:07,675 INFO L175 Difference]: Start difference. First operand has 357 places, 347 transitions, 792 flow. Second operand 6 states and 2156 transitions. [2024-11-10 14:39:07,675 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 360 places, 361 transitions, 924 flow [2024-11-10 14:39:07,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 355 places, 361 transitions, 914 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:07,684 INFO L231 Difference]: Finished difference. Result has 355 places, 345 transitions, 788 flow [2024-11-10 14:39:07,684 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=778, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=345, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=340, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=788, PETRI_PLACES=355, PETRI_TRANSITIONS=345} [2024-11-10 14:39:07,685 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -25 predicate places. [2024-11-10 14:39:07,685 INFO L471 AbstractCegarLoop]: Abstraction has has 355 places, 345 transitions, 788 flow [2024-11-10 14:39:07,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 352.8333333333333) internal successors, (2117), 6 states have internal predecessors, (2117), 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 14:39:07,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:07,687 INFO L204 CegarLoopForPetriNet]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:39:07,687 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 14:39:07,687 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread1Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:07,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:07,688 INFO L85 PathProgramCache]: Analyzing trace with hash -814569484, now seen corresponding path program 1 times [2024-11-10 14:39:07,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:07,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775655972] [2024-11-10 14:39:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:08,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 14:39:08,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:08,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775655972] [2024-11-10 14:39:08,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775655972] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:08,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:08,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 14:39:08,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069201881] [2024-11-10 14:39:08,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:08,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 14:39:08,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:08,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 14:39:08,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 14:39:08,437 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 351 out of 415 [2024-11-10 14:39:08,440 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 355 places, 345 transitions, 788 flow. Second operand has 6 states, 6 states have (on average 353.1666666666667) internal successors, (2119), 6 states have internal predecessors, (2119), 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 14:39:08,440 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:08,440 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 351 of 415 [2024-11-10 14:39:08,440 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:08,806 INFO L124 PetriNetUnfolderBase]: 350/2342 cut-off events. [2024-11-10 14:39:08,806 INFO L125 PetriNetUnfolderBase]: For 141/220 co-relation queries the response was YES. [2024-11-10 14:39:08,820 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3373 conditions, 2342 events. 350/2342 cut-off events. For 141/220 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 18257 event pairs, 91 based on Foata normal form. 12/2193 useless extension candidates. Maximal degree in co-relation 3316. Up to 278 conditions per place. [2024-11-10 14:39:08,828 INFO L140 encePairwiseOnDemand]: 408/415 looper letters, 45 selfloop transitions, 5 changer transitions 0/359 dead transitions. [2024-11-10 14:39:08,828 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 358 places, 359 transitions, 924 flow [2024-11-10 14:39:08,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 14:39:08,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-10 14:39:08,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2156 transitions. [2024-11-10 14:39:08,834 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8658634538152611 [2024-11-10 14:39:08,834 INFO L175 Difference]: Start difference. First operand has 355 places, 345 transitions, 788 flow. Second operand 6 states and 2156 transitions. [2024-11-10 14:39:08,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 358 places, 359 transitions, 924 flow [2024-11-10 14:39:08,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 353 places, 359 transitions, 914 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:08,841 INFO L231 Difference]: Finished difference. Result has 353 places, 343 transitions, 784 flow [2024-11-10 14:39:08,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=774, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=343, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=338, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=784, PETRI_PLACES=353, PETRI_TRANSITIONS=343} [2024-11-10 14:39:08,842 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -27 predicate places. [2024-11-10 14:39:08,843 INFO L471 AbstractCegarLoop]: Abstraction has has 353 places, 343 transitions, 784 flow [2024-11-10 14:39:08,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 353.1666666666667) internal successors, (2119), 6 states have internal predecessors, (2119), 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 14:39:08,844 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:08,844 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:39:08,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 14:39:08,844 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:08,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:08,845 INFO L85 PathProgramCache]: Analyzing trace with hash -977878550, now seen corresponding path program 1 times [2024-11-10 14:39:08,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:08,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595826523] [2024-11-10 14:39:08,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:08,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:08,884 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 14:39:08,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:08,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595826523] [2024-11-10 14:39:08,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595826523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:08,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:08,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141422948] [2024-11-10 14:39:08,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:08,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:08,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:08,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:08,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:08,890 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 415 [2024-11-10 14:39:08,891 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 353 places, 343 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 14:39:08,891 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:08,891 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 415 [2024-11-10 14:39:08,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:09,123 INFO L124 PetriNetUnfolderBase]: 128/1643 cut-off events. [2024-11-10 14:39:09,123 INFO L125 PetriNetUnfolderBase]: For 44/69 co-relation queries the response was YES. [2024-11-10 14:39:09,136 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2014 conditions, 1643 events. 128/1643 cut-off events. For 44/69 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9938 event pairs, 38 based on Foata normal form. 0/1540 useless extension candidates. Maximal degree in co-relation 1958. Up to 149 conditions per place. [2024-11-10 14:39:09,140 INFO L140 encePairwiseOnDemand]: 413/415 looper letters, 10 selfloop transitions, 1 changer transitions 0/342 dead transitions. [2024-11-10 14:39:09,141 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 354 places, 342 transitions, 804 flow [2024-11-10 14:39:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:09,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1131 transitions. [2024-11-10 14:39:09,144 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.908433734939759 [2024-11-10 14:39:09,144 INFO L175 Difference]: Start difference. First operand has 353 places, 343 transitions, 784 flow. Second operand 3 states and 1131 transitions. [2024-11-10 14:39:09,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 354 places, 342 transitions, 804 flow [2024-11-10 14:39:09,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 342 transitions, 794 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-10 14:39:09,150 INFO L231 Difference]: Finished difference. Result has 349 places, 342 transitions, 774 flow [2024-11-10 14:39:09,151 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=772, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=774, PETRI_PLACES=349, PETRI_TRANSITIONS=342} [2024-11-10 14:39:09,151 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -31 predicate places. [2024-11-10 14:39:09,152 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 342 transitions, 774 flow [2024-11-10 14:39:09,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 14:39:09,152 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:39:09,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:39:09,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 14:39:09,153 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err9ASSERT_VIOLATIONDATA_RACE, thread1Err8ASSERT_VIOLATIONDATA_RACE, thread1Err7ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2024-11-10 14:39:09,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:39:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash 2001190379, now seen corresponding path program 1 times [2024-11-10 14:39:09,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:39:09,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294236755] [2024-11-10 14:39:09,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:39:09,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:39:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:39:09,194 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 14:39:09,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:39:09,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294236755] [2024-11-10 14:39:09,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294236755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:39:09,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:39:09,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:39:09,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625528898] [2024-11-10 14:39:09,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:39:09,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:39:09,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:39:09,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:39:09,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:39:09,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 373 out of 415 [2024-11-10 14:39:09,202 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 349 places, 342 transitions, 774 flow. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 14:39:09,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:39:09,202 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 373 of 415 [2024-11-10 14:39:09,202 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:39:09,387 INFO L124 PetriNetUnfolderBase]: 128/1635 cut-off events. [2024-11-10 14:39:09,387 INFO L125 PetriNetUnfolderBase]: For 44/69 co-relation queries the response was YES. [2024-11-10 14:39:09,397 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1971 conditions, 1635 events. 128/1635 cut-off events. For 44/69 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9829 event pairs, 38 based on Foata normal form. 8/1540 useless extension candidates. Maximal degree in co-relation 1921. Up to 149 conditions per place. [2024-11-10 14:39:09,398 INFO L140 encePairwiseOnDemand]: 413/415 looper letters, 0 selfloop transitions, 0 changer transitions 341/341 dead transitions. [2024-11-10 14:39:09,398 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 350 places, 341 transitions, 792 flow [2024-11-10 14:39:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:39:09,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:39:09,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1130 transitions. [2024-11-10 14:39:09,401 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9076305220883534 [2024-11-10 14:39:09,401 INFO L175 Difference]: Start difference. First operand has 349 places, 342 transitions, 774 flow. Second operand 3 states and 1130 transitions. [2024-11-10 14:39:09,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 350 places, 341 transitions, 792 flow [2024-11-10 14:39:09,404 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 349 places, 341 transitions, 791 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-10 14:39:09,406 INFO L231 Difference]: Finished difference. Result has 349 places, 0 transitions, 0 flow [2024-11-10 14:39:09,406 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=415, PETRI_DIFFERENCE_MINUEND_FLOW=771, PETRI_DIFFERENCE_MINUEND_PLACES=347, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=341, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=349, PETRI_TRANSITIONS=0} [2024-11-10 14:39:09,407 INFO L277 CegarLoopForPetriNet]: 380 programPoint places, -31 predicate places. [2024-11-10 14:39:09,407 INFO L471 AbstractCegarLoop]: Abstraction has has 349 places, 0 transitions, 0 flow [2024-11-10 14:39:09,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 14:39:09,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (78 of 79 remaining) [2024-11-10 14:39:09,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2024-11-10 14:39:09,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2024-11-10 14:39:09,412 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2024-11-10 14:39:09,413 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2024-11-10 14:39:09,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2024-11-10 14:39:09,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2024-11-10 14:39:09,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2024-11-10 14:39:09,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2024-11-10 14:39:09,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2024-11-10 14:39:09,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2024-11-10 14:39:09,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (31 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2024-11-10 14:39:09,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2024-11-10 14:39:09,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2024-11-10 14:39:09,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2024-11-10 14:39:09,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2024-11-10 14:39:09,423 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2024-11-10 14:39:09,424 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2024-11-10 14:39:09,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 14:39:09,424 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 14:39:09,430 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-10 14:39:09,430 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 14:39:09,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 02:39:09 BasicIcfg [2024-11-10 14:39:09,436 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 14:39:09,437 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 14:39:09,437 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 14:39:09,437 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 14:39:09,437 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:38:55" (3/4) ... [2024-11-10 14:39:09,439 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-10 14:39:09,442 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-10 14:39:09,442 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-10 14:39:09,442 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-10 14:39:09,450 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-10 14:39:09,451 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-10 14:39:09,452 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-10 14:39:09,452 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-10 14:39:09,564 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-10 14:39:09,564 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-10 14:39:09,565 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 14:39:09,565 INFO L158 Benchmark]: Toolchain (without parser) took 15862.78ms. Allocated memory was 155.2MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 99.1MB in the beginning and 426.8MB in the end (delta: -327.7MB). Peak memory consumption was 910.8MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,565 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 14:39:09,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.97ms. Allocated memory is still 155.2MB. Free memory was 98.7MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.28ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 79.3MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,566 INFO L158 Benchmark]: Boogie Preprocessor took 49.96ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,566 INFO L158 Benchmark]: IcfgBuilder took 1224.21ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 124.3MB in the end (delta: -48.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,567 INFO L158 Benchmark]: TraceAbstraction took 14005.13ms. Allocated memory was 216.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 123.2MB in the beginning and 433.1MB in the end (delta: -309.8MB). Peak memory consumption was 866.7MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,568 INFO L158 Benchmark]: Witness Printer took 128.01ms. Allocated memory is still 1.4GB. Free memory was 433.1MB in the beginning and 426.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-10 14:39:09,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 113.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.97ms. Allocated memory is still 155.2MB. Free memory was 98.7MB in the beginning and 83.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.28ms. Allocated memory is still 155.2MB. Free memory was 83.1MB in the beginning and 79.3MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.96ms. Allocated memory is still 155.2MB. Free memory was 79.3MB in the beginning and 76.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 1224.21ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 124.3MB in the end (delta: -48.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14005.13ms. Allocated memory was 216.0MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 123.2MB in the beginning and 433.1MB in the end (delta: -309.8MB). Peak memory consumption was 866.7MB. Max. memory is 16.1GB. * Witness Printer took 128.01ms. Allocated memory is still 1.4GB. Free memory was 433.1MB in the beginning and 426.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 77]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 567 locations, 79 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: 13.8s, OverallIterations: 17, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1506 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 844 mSDsluCounter, 496 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 363 mSDsCounter, 386 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2433 IncrementalHoareTripleChecker+Invalid, 2819 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 386 mSolverCounterUnsat, 133 mSDtfsCounter, 2433 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=808occurred in iteration=0, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1820 NumberOfCodeBlocks, 1820 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1803 ConstructedInterpolants, 0 QuantifiedInterpolants, 2583 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 2/2 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 45 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-10 14:39:09,595 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