./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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/pthread/reorder_5.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 06:22:53,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 06:22:53,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-03-04 06:22:53,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 06:22:53,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 06:22:53,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 06:22:53,999 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 06:22:54,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 06:22:54,000 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 06:22:54,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 06:22:54,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 06:22:54,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 06:22:54,000 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 06:22:54,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-04 06:22:54,001 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 06:22:54,002 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:22:54,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 06:22:54,002 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 06:22:54,003 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 0517a9ebb69eeca4ecbb6ac063832eb703719698fb2ee670ca348e2c511f9dfd [2025-03-04 06:22:54,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 06:22:54,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 06:22:54,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 06:22:54,215 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 06:22:54,216 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 06:22:54,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/reorder_5.i [2025-03-04 06:22:55,316 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4649274e5/33179a6184d0440eacfc168d66aa5802/FLAG75d8b649a [2025-03-04 06:22:55,655 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 06:22:55,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread/reorder_5.i [2025-03-04 06:22:55,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4649274e5/33179a6184d0440eacfc168d66aa5802/FLAG75d8b649a [2025-03-04 06:22:55,693 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4649274e5/33179a6184d0440eacfc168d66aa5802 [2025-03-04 06:22:55,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 06:22:55,696 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 06:22:55,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 06:22:55,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 06:22:55,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 06:22:55,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:22:55" (1/1) ... [2025-03-04 06:22:55,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1855ec20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:55, skipping insertion in model container [2025-03-04 06:22:55,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 06:22:55" (1/1) ... [2025-03-04 06:22:55,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 06:22:56,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:22:56,081 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 06:22:56,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 06:22:56,185 INFO L204 MainTranslator]: Completed translation [2025-03-04 06:22:56,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56 WrapperNode [2025-03-04 06:22:56,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 06:22:56,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 06:22:56,187 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 06:22:56,187 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 06:22:56,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,209 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,227 INFO L138 Inliner]: procedures = 371, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 208 [2025-03-04 06:22:56,228 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 06:22:56,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 06:22:56,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 06:22:56,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 06:22:56,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,237 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,237 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,247 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,248 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 06:22:56,253 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 06:22:56,253 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 06:22:56,253 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 06:22:56,255 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (1/1) ... [2025-03-04 06:22:56,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 06:22:56,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 06:22:56,277 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) [2025-03-04 06:22:56,281 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 [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 06:22:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2025-03-04 06:22:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2025-03-04 06:22:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 06:22:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 06:22:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2025-03-04 06:22:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2025-03-04 06:22:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 06:22:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 06:22:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 06:22:56,299 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-04 06:22:56,398 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 06:22:56,400 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 06:22:56,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1252: havoc main_~#setPool~0#1.base, main_~#setPool~0#1.offset; [2025-03-04 06:22:56,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1252-1: SUMMARY for call ULTIMATE.dealloc(main_~#setPool~0#1.base, main_~#setPool~0#1.offset); srcloc: null [2025-03-04 06:22:56,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1253: havoc main_~#checkPool~0#1.base, main_~#checkPool~0#1.offset; [2025-03-04 06:22:56,697 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L1253-1: SUMMARY for call ULTIMATE.dealloc(main_~#checkPool~0#1.base, main_~#checkPool~0#1.offset); srcloc: null [2025-03-04 06:22:56,698 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-04 06:22:56,698 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 06:22:56,738 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 06:22:56,739 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 06:22:56,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:22:56 BoogieIcfgContainer [2025-03-04 06:22:56,739 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 06:22:56,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 06:22:56,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 06:22:56,744 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 06:22:56,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 06:22:55" (1/3) ... [2025-03-04 06:22:56,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c99f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:22:56, skipping insertion in model container [2025-03-04 06:22:56,745 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 06:22:56" (2/3) ... [2025-03-04 06:22:56,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13c99f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 06:22:56, skipping insertion in model container [2025-03-04 06:22:56,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 06:22:56" (3/3) ... [2025-03-04 06:22:56,747 INFO L128 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2025-03-04 06:22:56,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 06:22:56,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG reorder_5.i that has 3 procedures, 224 locations, 1 initial locations, 4 loop locations, and 26 error locations. [2025-03-04 06:22:56,775 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-04 06:22:56,829 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-03-04 06:22:56,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 230 places, 242 transitions, 504 flow [2025-03-04 06:22:56,955 INFO L124 PetriNetUnfolderBase]: 37/514 cut-off events. [2025-03-04 06:22:56,956 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2025-03-04 06:22:56,963 INFO L83 FinitePrefix]: Finished finitePrefix Result has 531 conditions, 514 events. 37/514 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2049 event pairs, 0 based on Foata normal form. 0/417 useless extension candidates. Maximal degree in co-relation 278. Up to 8 conditions per place. [2025-03-04 06:22:56,963 INFO L82 GeneralOperation]: Start removeDead. Operand has 230 places, 242 transitions, 504 flow [2025-03-04 06:22:56,970 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 230 places, 242 transitions, 504 flow [2025-03-04 06:22:56,979 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:22:56,987 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;@72a03dc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:22:56,987 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2025-03-04 06:22:56,992 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:22:56,992 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-03-04 06:22:56,992 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:22:56,992 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:56,993 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:22:56,993 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:56,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:56,997 INFO L85 PathProgramCache]: Analyzing trace with hash 151091395, now seen corresponding path program 1 times [2025-03-04 06:22:57,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:57,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587075789] [2025-03-04 06:22:57,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:57,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 06:22:57,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 06:22:57,069 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:57,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:57,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:57,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:57,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587075789] [2025-03-04 06:22:57,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587075789] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:57,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:57,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:57,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265880722] [2025-03-04 06:22:57,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:57,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:57,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:57,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:57,197 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:57,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2025-03-04 06:22:57,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 230 places, 242 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-04 06:22:57,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:57,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2025-03-04 06:22:57,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:57,390 INFO L124 PetriNetUnfolderBase]: 63/784 cut-off events. [2025-03-04 06:22:57,391 INFO L125 PetriNetUnfolderBase]: For 64/116 co-relation queries the response was YES. [2025-03-04 06:22:57,395 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 784 events. 63/784 cut-off events. For 64/116 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 3959 event pairs, 50 based on Foata normal form. 53/708 useless extension candidates. Maximal degree in co-relation 557. Up to 128 conditions per place. [2025-03-04 06:22:57,399 INFO L140 encePairwiseOnDemand]: 222/242 looper letters, 18 selfloop transitions, 1 changer transitions 6/222 dead transitions. [2025-03-04 06:22:57,399 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 222 transitions, 502 flow [2025-03-04 06:22:57,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:57,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:57,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2025-03-04 06:22:57,416 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8911845730027548 [2025-03-04 06:22:57,418 INFO L175 Difference]: Start difference. First operand has 230 places, 242 transitions, 504 flow. Second operand 3 states and 647 transitions. [2025-03-04 06:22:57,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 222 transitions, 502 flow [2025-03-04 06:22:57,425 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 223 places, 222 transitions, 502 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:22:57,429 INFO L231 Difference]: Finished difference. Result has 223 places, 216 transitions, 454 flow [2025-03-04 06:22:57,432 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=222, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=221, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=454, PETRI_PLACES=223, PETRI_TRANSITIONS=216} [2025-03-04 06:22:57,437 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -7 predicate places. [2025-03-04 06:22:57,437 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 216 transitions, 454 flow [2025-03-04 06:22:57,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-04 06:22:57,438 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:57,438 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:22:57,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-04 06:22:57,438 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:57,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:57,439 INFO L85 PathProgramCache]: Analyzing trace with hash 388693694, now seen corresponding path program 1 times [2025-03-04 06:22:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:57,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299342351] [2025-03-04 06:22:57,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:57,453 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 06:22:57,461 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 06:22:57,462 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:57,462 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:57,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:57,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:57,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299342351] [2025-03-04 06:22:57,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299342351] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:57,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:57,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:57,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014454151] [2025-03-04 06:22:57,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:57,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:57,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:57,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:57,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:57,561 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2025-03-04 06:22:57,561 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 216 transitions, 454 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2025-03-04 06:22:57,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:57,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2025-03-04 06:22:57,562 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:57,753 INFO L124 PetriNetUnfolderBase]: 60/1377 cut-off events. [2025-03-04 06:22:57,753 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2025-03-04 06:22:57,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1544 conditions, 1377 events. 60/1377 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8656 event pairs, 28 based on Foata normal form. 0/1162 useless extension candidates. Maximal degree in co-relation 742. Up to 51 conditions per place. [2025-03-04 06:22:57,760 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/225 dead transitions. [2025-03-04 06:22:57,761 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 225 transitions, 534 flow [2025-03-04 06:22:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:57,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2025-03-04 06:22:57,764 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2025-03-04 06:22:57,764 INFO L175 Difference]: Start difference. First operand has 223 places, 216 transitions, 454 flow. Second operand 3 states and 662 transitions. [2025-03-04 06:22:57,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 225 transitions, 534 flow [2025-03-04 06:22:57,768 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 225 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:22:57,771 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 453 flow [2025-03-04 06:22:57,774 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=451, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=453, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2025-03-04 06:22:57,775 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -13 predicate places. [2025-03-04 06:22:57,775 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 453 flow [2025-03-04 06:22:57,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2025-03-04 06:22:57,775 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:57,775 INFO L206 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] [2025-03-04 06:22:57,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 06:22:57,776 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:57,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:57,777 INFO L85 PathProgramCache]: Analyzing trace with hash -835262861, now seen corresponding path program 1 times [2025-03-04 06:22:57,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:57,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567809444] [2025-03-04 06:22:57,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:57,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:57,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 06:22:57,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 06:22:57,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:57,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:57,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:57,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567809444] [2025-03-04 06:22:57,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567809444] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:57,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:57,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:57,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199980299] [2025-03-04 06:22:57,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:57,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:57,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:57,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:57,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:57,867 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 198 out of 242 [2025-03-04 06:22:57,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 453 flow. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2025-03-04 06:22:57,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:57,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 198 of 242 [2025-03-04 06:22:57,869 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,042 INFO L124 PetriNetUnfolderBase]: 232/1654 cut-off events. [2025-03-04 06:22:58,043 INFO L125 PetriNetUnfolderBase]: For 154/458 co-relation queries the response was YES. [2025-03-04 06:22:58,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2183 conditions, 1654 events. 232/1654 cut-off events. For 154/458 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 10737 event pairs, 52 based on Foata normal form. 19/1466 useless extension candidates. Maximal degree in co-relation 1088. Up to 355 conditions per place. [2025-03-04 06:22:58,047 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 15 selfloop transitions, 1 changer transitions 24/219 dead transitions. [2025-03-04 06:22:58,047 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 213 places, 219 transitions, 527 flow [2025-03-04 06:22:58,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 630 transitions. [2025-03-04 06:22:58,049 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8677685950413223 [2025-03-04 06:22:58,049 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 453 flow. Second operand 3 states and 630 transitions. [2025-03-04 06:22:58,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 213 places, 219 transitions, 527 flow [2025-03-04 06:22:58,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 212 places, 219 transitions, 526 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:22:58,053 INFO L231 Difference]: Finished difference. Result has 212 places, 191 transitions, 406 flow [2025-03-04 06:22:58,053 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=440, PETRI_DIFFERENCE_MINUEND_PLACES=210, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=212, PETRI_TRANSITIONS=191} [2025-03-04 06:22:58,054 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -18 predicate places. [2025-03-04 06:22:58,054 INFO L471 AbstractCegarLoop]: Abstraction has has 212 places, 191 transitions, 406 flow [2025-03-04 06:22:58,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 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) [2025-03-04 06:22:58,054 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,054 INFO L206 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] [2025-03-04 06:22:58,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-04 06:22:58,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1188476823, now seen corresponding path program 1 times [2025-03-04 06:22:58,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560920776] [2025-03-04 06:22:58,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:58,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 06:22:58,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 06:22:58,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:58,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:58,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:58,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560920776] [2025-03-04 06:22:58,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560920776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:58,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:58,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:58,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785048193] [2025-03-04 06:22:58,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:58,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:58,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:58,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:58,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:58,095 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 203 out of 242 [2025-03-04 06:22:58,096 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 212 places, 191 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-04 06:22:58,096 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:58,096 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 203 of 242 [2025-03-04 06:22:58,096 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,213 INFO L124 PetriNetUnfolderBase]: 184/1551 cut-off events. [2025-03-04 06:22:58,214 INFO L125 PetriNetUnfolderBase]: For 112/216 co-relation queries the response was YES. [2025-03-04 06:22:58,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2020 conditions, 1551 events. 184/1551 cut-off events. For 112/216 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 10288 event pairs, 156 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 1839. Up to 362 conditions per place. [2025-03-04 06:22:58,219 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/188 dead transitions. [2025-03-04 06:22:58,219 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 188 transitions, 440 flow [2025-03-04 06:22:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 633 transitions. [2025-03-04 06:22:58,221 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.871900826446281 [2025-03-04 06:22:58,221 INFO L175 Difference]: Start difference. First operand has 212 places, 191 transitions, 406 flow. Second operand 3 states and 633 transitions. [2025-03-04 06:22:58,221 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 188 transitions, 440 flow [2025-03-04 06:22:58,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 188 transitions, 439 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:22:58,225 INFO L231 Difference]: Finished difference. Result has 192 places, 188 transitions, 407 flow [2025-03-04 06:22:58,225 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=192, PETRI_TRANSITIONS=188} [2025-03-04 06:22:58,226 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -38 predicate places. [2025-03-04 06:22:58,226 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 188 transitions, 407 flow [2025-03-04 06:22:58,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 203.66666666666666) internal successors, (611), 3 states have internal predecessors, (611), 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) [2025-03-04 06:22:58,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,226 INFO L206 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] [2025-03-04 06:22:58,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-04 06:22:58,227 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1647394963, now seen corresponding path program 1 times [2025-03-04 06:22:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421951246] [2025-03-04 06:22:58,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:58,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 06:22:58,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 06:22:58,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:58,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:58,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:58,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:58,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421951246] [2025-03-04 06:22:58,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421951246] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:58,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:58,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:58,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105052143] [2025-03-04 06:22:58,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:58,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:58,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:58,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:58,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:58,281 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2025-03-04 06:22:58,282 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 188 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2025-03-04 06:22:58,282 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:58,282 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2025-03-04 06:22:58,282 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,416 INFO L124 PetriNetUnfolderBase]: 124/1330 cut-off events. [2025-03-04 06:22:58,416 INFO L125 PetriNetUnfolderBase]: For 112/216 co-relation queries the response was YES. [2025-03-04 06:22:58,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 1330 events. 124/1330 cut-off events. For 112/216 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8412 event pairs, 96 based on Foata normal form. 0/1141 useless extension candidates. Maximal degree in co-relation 840. Up to 250 conditions per place. [2025-03-04 06:22:58,423 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 17 selfloop transitions, 2 changer transitions 3/187 dead transitions. [2025-03-04 06:22:58,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 193 places, 187 transitions, 445 flow [2025-03-04 06:22:58,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2025-03-04 06:22:58,425 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2025-03-04 06:22:58,425 INFO L175 Difference]: Start difference. First operand has 192 places, 188 transitions, 407 flow. Second operand 3 states and 636 transitions. [2025-03-04 06:22:58,425 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 193 places, 187 transitions, 445 flow [2025-03-04 06:22:58,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 187 transitions, 445 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:22:58,429 INFO L231 Difference]: Finished difference. Result has 193 places, 184 transitions, 403 flow [2025-03-04 06:22:58,429 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=187, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=193, PETRI_TRANSITIONS=184} [2025-03-04 06:22:58,430 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -37 predicate places. [2025-03-04 06:22:58,430 INFO L471 AbstractCegarLoop]: Abstraction has has 193 places, 184 transitions, 403 flow [2025-03-04 06:22:58,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2025-03-04 06:22:58,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,430 INFO L206 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] [2025-03-04 06:22:58,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-04 06:22:58,431 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,431 INFO L85 PathProgramCache]: Analyzing trace with hash -136577490, now seen corresponding path program 1 times [2025-03-04 06:22:58,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928909740] [2025-03-04 06:22:58,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:58,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 06:22:58,445 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 06:22:58,445 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:58,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:58,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:58,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928909740] [2025-03-04 06:22:58,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928909740] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:58,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:58,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:58,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800826617] [2025-03-04 06:22:58,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:58,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:58,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:58,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:58,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:58,525 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 242 [2025-03-04 06:22:58,526 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 193 places, 184 transitions, 403 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2025-03-04 06:22:58,526 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:58,526 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 242 [2025-03-04 06:22:58,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,651 INFO L124 PetriNetUnfolderBase]: 60/1177 cut-off events. [2025-03-04 06:22:58,651 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2025-03-04 06:22:58,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1370 conditions, 1177 events. 60/1177 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6872 event pairs, 28 based on Foata normal form. 0/1033 useless extension candidates. Maximal degree in co-relation 684. Up to 51 conditions per place. [2025-03-04 06:22:58,656 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 21 selfloop transitions, 1 changer transitions 0/193 dead transitions. [2025-03-04 06:22:58,656 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 193 transitions, 483 flow [2025-03-04 06:22:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 662 transitions. [2025-03-04 06:22:58,658 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9118457300275482 [2025-03-04 06:22:58,659 INFO L175 Difference]: Start difference. First operand has 193 places, 184 transitions, 403 flow. Second operand 3 states and 662 transitions. [2025-03-04 06:22:58,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 193 transitions, 483 flow [2025-03-04 06:22:58,660 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 193 transitions, 479 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:22:58,662 INFO L231 Difference]: Finished difference. Result has 189 places, 183 transitions, 399 flow [2025-03-04 06:22:58,662 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=397, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=183, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=182, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=399, PETRI_PLACES=189, PETRI_TRANSITIONS=183} [2025-03-04 06:22:58,662 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2025-03-04 06:22:58,662 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 183 transitions, 399 flow [2025-03-04 06:22:58,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2025-03-04 06:22:58,663 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,663 INFO L206 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] [2025-03-04 06:22:58,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-04 06:22:58,663 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1945234686, now seen corresponding path program 1 times [2025-03-04 06:22:58,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34472808] [2025-03-04 06:22:58,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:58,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 06:22:58,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 06:22:58,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:58,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:58,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:58,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:58,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34472808] [2025-03-04 06:22:58,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34472808] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:58,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:58,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:22:58,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431255078] [2025-03-04 06:22:58,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:58,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:58,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:58,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:58,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:58,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 242 [2025-03-04 06:22:58,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 183 transitions, 399 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2025-03-04 06:22:58,713 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:58,713 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 242 [2025-03-04 06:22:58,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,846 INFO L124 PetriNetUnfolderBase]: 120/1268 cut-off events. [2025-03-04 06:22:58,846 INFO L125 PetriNetUnfolderBase]: For 118/222 co-relation queries the response was YES. [2025-03-04 06:22:58,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1605 conditions, 1268 events. 120/1268 cut-off events. For 118/222 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7929 event pairs, 92 based on Foata normal form. 0/1085 useless extension candidates. Maximal degree in co-relation 808. Up to 234 conditions per place. [2025-03-04 06:22:58,851 INFO L140 encePairwiseOnDemand]: 239/242 looper letters, 18 selfloop transitions, 2 changer transitions 0/182 dead transitions. [2025-03-04 06:22:58,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 182 transitions, 437 flow [2025-03-04 06:22:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2025-03-04 06:22:58,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8746556473829201 [2025-03-04 06:22:58,853 INFO L175 Difference]: Start difference. First operand has 189 places, 183 transitions, 399 flow. Second operand 3 states and 635 transitions. [2025-03-04 06:22:58,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 182 transitions, 437 flow [2025-03-04 06:22:58,854 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 182 transitions, 436 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:22:58,855 INFO L231 Difference]: Finished difference. Result has 189 places, 182 transitions, 400 flow [2025-03-04 06:22:58,855 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=187, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=182, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=180, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=400, PETRI_PLACES=189, PETRI_TRANSITIONS=182} [2025-03-04 06:22:58,856 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -41 predicate places. [2025-03-04 06:22:58,856 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 182 transitions, 400 flow [2025-03-04 06:22:58,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2025-03-04 06:22:58,856 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,857 INFO L206 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] [2025-03-04 06:22:58,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-04 06:22:58,857 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,857 INFO L85 PathProgramCache]: Analyzing trace with hash -404549309, now seen corresponding path program 1 times [2025-03-04 06:22:58,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720886895] [2025-03-04 06:22:58,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:58,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 06:22:58,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 06:22:58,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:58,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:58,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:58,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720886895] [2025-03-04 06:22:58,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720886895] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:58,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:58,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:22:58,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418883017] [2025-03-04 06:22:58,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:58,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:22:58,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:58,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:22:58,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:22:58,899 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 242 [2025-03-04 06:22:58,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 182 transitions, 400 flow. Second operand has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2025-03-04 06:22:58,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:58,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 242 [2025-03-04 06:22:58,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:58,980 INFO L124 PetriNetUnfolderBase]: 58/1164 cut-off events. [2025-03-04 06:22:58,980 INFO L125 PetriNetUnfolderBase]: For 130/306 co-relation queries the response was YES. [2025-03-04 06:22:58,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1365 conditions, 1164 events. 58/1164 cut-off events. For 130/306 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6768 event pairs, 28 based on Foata normal form. 2/1023 useless extension candidates. Maximal degree in co-relation 695. Up to 110 conditions per place. [2025-03-04 06:22:58,985 INFO L140 encePairwiseOnDemand]: 240/242 looper letters, 16 selfloop transitions, 0 changer transitions 1/181 dead transitions. [2025-03-04 06:22:58,985 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 181 transitions, 429 flow [2025-03-04 06:22:58,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:22:58,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:22:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2025-03-04 06:22:58,986 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8760330578512396 [2025-03-04 06:22:58,986 INFO L175 Difference]: Start difference. First operand has 189 places, 182 transitions, 400 flow. Second operand 3 states and 636 transitions. [2025-03-04 06:22:58,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 181 transitions, 429 flow [2025-03-04 06:22:58,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 187 places, 181 transitions, 421 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-03-04 06:22:58,990 INFO L231 Difference]: Finished difference. Result has 188 places, 180 transitions, 387 flow [2025-03-04 06:22:58,990 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=387, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=181, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=181, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=387, PETRI_PLACES=188, PETRI_TRANSITIONS=180} [2025-03-04 06:22:58,991 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -42 predicate places. [2025-03-04 06:22:58,991 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 180 transitions, 387 flow [2025-03-04 06:22:58,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.66666666666666) internal successors, (623), 3 states have internal predecessors, (623), 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) [2025-03-04 06:22:58,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:58,993 INFO L206 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] [2025-03-04 06:22:58,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-04 06:22:58,993 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:58,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:58,995 INFO L85 PathProgramCache]: Analyzing trace with hash -609674538, now seen corresponding path program 1 times [2025-03-04 06:22:58,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:58,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255288929] [2025-03-04 06:22:58,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:58,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:59,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:22:59,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:22:59,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:59,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:59,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:59,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:59,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255288929] [2025-03-04 06:22:59,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255288929] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:59,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:59,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:22:59,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998688930] [2025-03-04 06:22:59,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:59,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:22:59,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:59,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:22:59,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:22:59,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 242 [2025-03-04 06:22:59,568 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 180 transitions, 387 flow. Second operand has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2025-03-04 06:22:59,568 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:22:59,568 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 242 [2025-03-04 06:22:59,568 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:22:59,823 INFO L124 PetriNetUnfolderBase]: 652/3388 cut-off events. [2025-03-04 06:22:59,823 INFO L125 PetriNetUnfolderBase]: For 98/108 co-relation queries the response was YES. [2025-03-04 06:22:59,829 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4910 conditions, 3388 events. 652/3388 cut-off events. For 98/108 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 28270 event pairs, 296 based on Foata normal form. 0/3003 useless extension candidates. Maximal degree in co-relation 4904. Up to 1255 conditions per place. [2025-03-04 06:22:59,839 INFO L140 encePairwiseOnDemand]: 236/242 looper letters, 44 selfloop transitions, 5 changer transitions 4/187 dead transitions. [2025-03-04 06:22:59,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 191 places, 187 transitions, 501 flow [2025-03-04 06:22:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:22:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:22:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1137 transitions. [2025-03-04 06:22:59,842 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7830578512396694 [2025-03-04 06:22:59,842 INFO L175 Difference]: Start difference. First operand has 188 places, 180 transitions, 387 flow. Second operand 6 states and 1137 transitions. [2025-03-04 06:22:59,842 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 191 places, 187 transitions, 501 flow [2025-03-04 06:22:59,843 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 190 places, 187 transitions, 499 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-03-04 06:22:59,844 INFO L231 Difference]: Finished difference. Result has 190 places, 175 transitions, 385 flow [2025-03-04 06:22:59,845 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=185, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=179, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=174, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=385, PETRI_PLACES=190, PETRI_TRANSITIONS=175} [2025-03-04 06:22:59,845 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -40 predicate places. [2025-03-04 06:22:59,845 INFO L471 AbstractCegarLoop]: Abstraction has has 190 places, 175 transitions, 385 flow [2025-03-04 06:22:59,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 182.66666666666666) internal successors, (1096), 6 states have internal predecessors, (1096), 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) [2025-03-04 06:22:59,846 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:22:59,846 INFO L206 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] [2025-03-04 06:22:59,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-04 06:22:59,846 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:22:59,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:22:59,847 INFO L85 PathProgramCache]: Analyzing trace with hash 119432711, now seen corresponding path program 1 times [2025-03-04 06:22:59,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:22:59,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377303370] [2025-03-04 06:22:59,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:22:59,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:22:59,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 06:22:59,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 06:22:59,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:22:59,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:22:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:22:59,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:22:59,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377303370] [2025-03-04 06:22:59,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377303370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:22:59,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:22:59,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 06:22:59,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961238662] [2025-03-04 06:22:59,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:22:59,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:22:59,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:22:59,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:22:59,917 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:23:00,024 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 242 [2025-03-04 06:23:00,026 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 190 places, 175 transitions, 385 flow. Second operand has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2025-03-04 06:23:00,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:00,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 242 [2025-03-04 06:23:00,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:00,163 INFO L124 PetriNetUnfolderBase]: 159/1449 cut-off events. [2025-03-04 06:23:00,163 INFO L125 PetriNetUnfolderBase]: For 90/192 co-relation queries the response was YES. [2025-03-04 06:23:00,167 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1906 conditions, 1449 events. 159/1449 cut-off events. For 90/192 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 9783 event pairs, 120 based on Foata normal form. 11/1288 useless extension candidates. Maximal degree in co-relation 1900. Up to 209 conditions per place. [2025-03-04 06:23:00,171 INFO L140 encePairwiseOnDemand]: 230/242 looper letters, 42 selfloop transitions, 10 changer transitions 0/203 dead transitions. [2025-03-04 06:23:00,171 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 203 transitions, 569 flow [2025-03-04 06:23:00,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:23:00,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 06:23:00,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 858 transitions. [2025-03-04 06:23:00,173 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2025-03-04 06:23:00,173 INFO L175 Difference]: Start difference. First operand has 190 places, 175 transitions, 385 flow. Second operand 4 states and 858 transitions. [2025-03-04 06:23:00,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 203 transitions, 569 flow [2025-03-04 06:23:00,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 203 transitions, 559 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:23:00,176 INFO L231 Difference]: Finished difference. Result has 186 places, 183 transitions, 449 flow [2025-03-04 06:23:00,177 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=242, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=181, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=165, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=449, PETRI_PLACES=186, PETRI_TRANSITIONS=183} [2025-03-04 06:23:00,178 INFO L279 CegarLoopForPetriNet]: 230 programPoint places, -44 predicate places. [2025-03-04 06:23:00,178 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 183 transitions, 449 flow [2025-03-04 06:23:00,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 202.5) internal successors, (810), 4 states have internal predecessors, (810), 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) [2025-03-04 06:23:00,178 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:00,179 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:00,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-04 06:23:00,179 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 30 more)] === [2025-03-04 06:23:00,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:00,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1041197632, now seen corresponding path program 1 times [2025-03-04 06:23:00,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:00,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520174766] [2025-03-04 06:23:00,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:00,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:00,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 06:23:00,216 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 06:23:00,216 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:00,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 06:23:00,216 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-03-04 06:23:00,221 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-04 06:23:00,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-04 06:23:00,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:00,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-03-04 06:23:00,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-03-04 06:23:00,260 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-03-04 06:23:00,260 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 33 remaining) [2025-03-04 06:23:00,261 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2025-03-04 06:23:00,262 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 33 remaining) [2025-03-04 06:23:00,263 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2025-03-04 06:23:00,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2025-03-04 06:23:00,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2025-03-04 06:23:00,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2025-03-04 06:23:00,264 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2025-03-04 06:23:00,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-04 06:23:00,264 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:00,266 WARN L246 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2025-03-04 06:23:00,266 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2025-03-04 06:23:00,287 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-03-04 06:23:00,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 258 places, 271 transitions, 586 flow [2025-03-04 06:23:00,379 INFO L124 PetriNetUnfolderBase]: 149/1607 cut-off events. [2025-03-04 06:23:00,379 INFO L125 PetriNetUnfolderBase]: For 72/72 co-relation queries the response was YES. [2025-03-04 06:23:00,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1696 conditions, 1607 events. 149/1607 cut-off events. For 72/72 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 9254 event pairs, 2 based on Foata normal form. 0/1314 useless extension candidates. Maximal degree in co-relation 931. Up to 32 conditions per place. [2025-03-04 06:23:00,385 INFO L82 GeneralOperation]: Start removeDead. Operand has 258 places, 271 transitions, 586 flow [2025-03-04 06:23:00,392 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 258 places, 271 transitions, 586 flow [2025-03-04 06:23:00,393 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 06:23:00,393 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;@72a03dc9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 06:23:00,394 INFO L334 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2025-03-04 06:23:00,395 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-04 06:23:00,395 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2025-03-04 06:23:00,395 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-04 06:23:00,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:00,395 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:00,395 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:00,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:00,396 INFO L85 PathProgramCache]: Analyzing trace with hash -530775805, now seen corresponding path program 1 times [2025-03-04 06:23:00,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:00,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925267507] [2025-03-04 06:23:00,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:00,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:00,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-04 06:23:00,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-04 06:23:00,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:00,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:00,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:00,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:00,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925267507] [2025-03-04 06:23:00,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925267507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:00,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:00,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:00,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621809917] [2025-03-04 06:23:00,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:00,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:00,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:00,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:00,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:00,430 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2025-03-04 06:23:00,431 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 258 places, 271 transitions, 586 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-04 06:23:00,431 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:00,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2025-03-04 06:23:00,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:01,287 INFO L124 PetriNetUnfolderBase]: 2218/9953 cut-off events. [2025-03-04 06:23:01,287 INFO L125 PetriNetUnfolderBase]: For 1875/4944 co-relation queries the response was YES. [2025-03-04 06:23:01,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13940 conditions, 9953 events. 2218/9953 cut-off events. For 1875/4944 co-relation queries the response was YES. Maximal size of possible extension queue 298. Compared 103638 event pairs, 1905 based on Foata normal form. 879/9106 useless extension candidates. Maximal degree in co-relation 9049. Up to 3249 conditions per place. [2025-03-04 06:23:01,350 INFO L140 encePairwiseOnDemand]: 246/271 looper letters, 28 selfloop transitions, 1 changer transitions 4/245 dead transitions. [2025-03-04 06:23:01,350 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 245 transitions, 592 flow [2025-03-04 06:23:01,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:01,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 701 transitions. [2025-03-04 06:23:01,352 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8622386223862238 [2025-03-04 06:23:01,352 INFO L175 Difference]: Start difference. First operand has 258 places, 271 transitions, 586 flow. Second operand 3 states and 701 transitions. [2025-03-04 06:23:01,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 245 transitions, 592 flow [2025-03-04 06:23:01,355 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 246 places, 245 transitions, 592 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:23:01,357 INFO L231 Difference]: Finished difference. Result has 246 places, 241 transitions, 528 flow [2025-03-04 06:23:01,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=534, PETRI_DIFFERENCE_MINUEND_PLACES=244, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=245, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=244, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=528, PETRI_PLACES=246, PETRI_TRANSITIONS=241} [2025-03-04 06:23:01,357 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -12 predicate places. [2025-03-04 06:23:01,358 INFO L471 AbstractCegarLoop]: Abstraction has has 246 places, 241 transitions, 528 flow [2025-03-04 06:23:01,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-04 06:23:01,358 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:01,358 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:01,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-04 06:23:01,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:01,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:01,359 INFO L85 PathProgramCache]: Analyzing trace with hash 725647243, now seen corresponding path program 1 times [2025-03-04 06:23:01,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:01,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58945783] [2025-03-04 06:23:01,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:01,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:01,364 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-04 06:23:01,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-04 06:23:01,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:01,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:01,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:01,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58945783] [2025-03-04 06:23:01,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58945783] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:01,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:01,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:01,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271544987] [2025-03-04 06:23:01,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:01,382 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:01,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:01,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:01,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:01,389 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2025-03-04 06:23:01,390 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 241 transitions, 528 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2025-03-04 06:23:01,390 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:01,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2025-03-04 06:23:01,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:02,864 INFO L124 PetriNetUnfolderBase]: 2492/17389 cut-off events. [2025-03-04 06:23:02,864 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2025-03-04 06:23:02,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22356 conditions, 17389 events. 2492/17389 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 215713 event pairs, 1706 based on Foata normal form. 0/14144 useless extension candidates. Maximal degree in co-relation 11147. Up to 1670 conditions per place. [2025-03-04 06:23:02,958 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/260 dead transitions. [2025-03-04 06:23:02,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 260 transitions, 690 flow [2025-03-04 06:23:02,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2025-03-04 06:23:02,960 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2025-03-04 06:23:02,960 INFO L175 Difference]: Start difference. First operand has 246 places, 241 transitions, 528 flow. Second operand 3 states and 721 transitions. [2025-03-04 06:23:02,960 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 260 transitions, 690 flow [2025-03-04 06:23:02,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 242 places, 260 transitions, 689 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:23:02,965 INFO L231 Difference]: Finished difference. Result has 242 places, 240 transitions, 527 flow [2025-03-04 06:23:02,965 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=240, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=527, PETRI_PLACES=242, PETRI_TRANSITIONS=240} [2025-03-04 06:23:02,966 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -16 predicate places. [2025-03-04 06:23:02,966 INFO L471 AbstractCegarLoop]: Abstraction has has 242 places, 240 transitions, 527 flow [2025-03-04 06:23:02,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2025-03-04 06:23:02,967 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:02,967 INFO L206 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] [2025-03-04 06:23:02,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-04 06:23:02,967 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:02,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:02,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1020362835, now seen corresponding path program 1 times [2025-03-04 06:23:02,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:02,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482978219] [2025-03-04 06:23:02,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:02,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:02,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-03-04 06:23:02,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-03-04 06:23:02,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:02,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:02,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:02,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:02,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482978219] [2025-03-04 06:23:02,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482978219] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:02,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:02,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:02,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697855764] [2025-03-04 06:23:02,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:02,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:02,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:02,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:02,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:03,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 271 [2025-03-04 06:23:03,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 242 places, 240 transitions, 527 flow. Second operand has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2025-03-04 06:23:03,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:03,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 271 [2025-03-04 06:23:03,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:06,210 INFO L124 PetriNetUnfolderBase]: 14770/40622 cut-off events. [2025-03-04 06:23:06,211 INFO L125 PetriNetUnfolderBase]: For 8274/46430 co-relation queries the response was YES. [2025-03-04 06:23:06,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64561 conditions, 40622 events. 14770/40622 cut-off events. For 8274/46430 co-relation queries the response was YES. Maximal size of possible extension queue 1066. Compared 463520 event pairs, 4272 based on Foata normal form. 121/35650 useless extension candidates. Maximal degree in co-relation 32276. Up to 17809 conditions per place. [2025-03-04 06:23:06,411 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 41 selfloop transitions, 2 changer transitions 18/255 dead transitions. [2025-03-04 06:23:06,412 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 237 places, 255 transitions, 696 flow [2025-03-04 06:23:06,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:06,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:06,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2025-03-04 06:23:06,414 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2025-03-04 06:23:06,414 INFO L175 Difference]: Start difference. First operand has 242 places, 240 transitions, 527 flow. Second operand 3 states and 686 transitions. [2025-03-04 06:23:06,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 237 places, 255 transitions, 696 flow [2025-03-04 06:23:06,418 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 236 places, 255 transitions, 695 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:23:06,420 INFO L231 Difference]: Finished difference. Result has 237 places, 220 transitions, 496 flow [2025-03-04 06:23:06,420 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=512, PETRI_DIFFERENCE_MINUEND_PLACES=234, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=237, PETRI_TRANSITIONS=220} [2025-03-04 06:23:06,421 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -21 predicate places. [2025-03-04 06:23:06,422 INFO L471 AbstractCegarLoop]: Abstraction has has 237 places, 220 transitions, 496 flow [2025-03-04 06:23:06,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.66666666666666) internal successors, (626), 3 states have internal predecessors, (626), 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) [2025-03-04 06:23:06,422 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:06,422 INFO L206 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] [2025-03-04 06:23:06,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-04 06:23:06,422 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:06,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:06,423 INFO L85 PathProgramCache]: Analyzing trace with hash 2033351447, now seen corresponding path program 1 times [2025-03-04 06:23:06,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:06,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817403746] [2025-03-04 06:23:06,423 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:06,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:06,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-03-04 06:23:06,430 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-03-04 06:23:06,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:06,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:06,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:06,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:06,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817403746] [2025-03-04 06:23:06,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817403746] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:06,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:06,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:06,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070399403] [2025-03-04 06:23:06,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:06,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:06,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:06,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:06,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:06,459 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 216 out of 271 [2025-03-04 06:23:06,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 237 places, 220 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-04 06:23:06,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:06,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 216 of 271 [2025-03-04 06:23:06,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:08,508 INFO L124 PetriNetUnfolderBase]: 6096/21809 cut-off events. [2025-03-04 06:23:08,508 INFO L125 PetriNetUnfolderBase]: For 4256/10796 co-relation queries the response was YES. [2025-03-04 06:23:08,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33778 conditions, 21809 events. 6096/21809 cut-off events. For 4256/10796 co-relation queries the response was YES. Maximal size of possible extension queue 504. Compared 243916 event pairs, 5210 based on Foata normal form. 0/19055 useless extension candidates. Maximal degree in co-relation 28671. Up to 8524 conditions per place. [2025-03-04 06:23:08,602 INFO L140 encePairwiseOnDemand]: 265/271 looper letters, 28 selfloop transitions, 2 changer transitions 0/217 dead transitions. [2025-03-04 06:23:08,602 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 217 transitions, 550 flow [2025-03-04 06:23:08,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:08,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:08,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 682 transitions. [2025-03-04 06:23:08,604 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8388683886838868 [2025-03-04 06:23:08,604 INFO L175 Difference]: Start difference. First operand has 237 places, 220 transitions, 496 flow. Second operand 3 states and 682 transitions. [2025-03-04 06:23:08,604 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 217 transitions, 550 flow [2025-03-04 06:23:08,607 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 217 transitions, 550 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:23:08,609 INFO L231 Difference]: Finished difference. Result has 221 places, 217 transitions, 498 flow [2025-03-04 06:23:08,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=218, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=498, PETRI_PLACES=221, PETRI_TRANSITIONS=217} [2025-03-04 06:23:08,609 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -37 predicate places. [2025-03-04 06:23:08,609 INFO L471 AbstractCegarLoop]: Abstraction has has 221 places, 217 transitions, 498 flow [2025-03-04 06:23:08,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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) [2025-03-04 06:23:08,610 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:08,610 INFO L206 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] [2025-03-04 06:23:08,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-04 06:23:08,610 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:08,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:08,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1471691635, now seen corresponding path program 1 times [2025-03-04 06:23:08,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:08,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983689652] [2025-03-04 06:23:08,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:08,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:08,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-04 06:23:08,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-04 06:23:08,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:08,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:08,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:08,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983689652] [2025-03-04 06:23:08,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983689652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:08,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:08,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:08,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444347088] [2025-03-04 06:23:08,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:08,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:08,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:08,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:08,630 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:08,649 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2025-03-04 06:23:08,650 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 221 places, 217 transitions, 498 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2025-03-04 06:23:08,650 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:08,650 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2025-03-04 06:23:08,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:10,115 INFO L124 PetriNetUnfolderBase]: 4656/18252 cut-off events. [2025-03-04 06:23:10,116 INFO L125 PetriNetUnfolderBase]: For 4254/12402 co-relation queries the response was YES. [2025-03-04 06:23:10,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27758 conditions, 18252 events. 4656/18252 cut-off events. For 4254/12402 co-relation queries the response was YES. Maximal size of possible extension queue 558. Compared 205777 event pairs, 3782 based on Foata normal form. 0/15259 useless extension candidates. Maximal degree in co-relation 24022. Up to 6578 conditions per place. [2025-03-04 06:23:10,176 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 28 selfloop transitions, 2 changer transitions 2/216 dead transitions. [2025-03-04 06:23:10,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 222 places, 216 transitions, 556 flow [2025-03-04 06:23:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2025-03-04 06:23:10,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2025-03-04 06:23:10,178 INFO L175 Difference]: Start difference. First operand has 221 places, 217 transitions, 498 flow. Second operand 3 states and 685 transitions. [2025-03-04 06:23:10,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 222 places, 216 transitions, 556 flow [2025-03-04 06:23:10,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 216 transitions, 556 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-03-04 06:23:10,182 INFO L231 Difference]: Finished difference. Result has 222 places, 214 transitions, 496 flow [2025-03-04 06:23:10,182 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=496, PETRI_DIFFERENCE_MINUEND_PLACES=220, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=496, PETRI_PLACES=222, PETRI_TRANSITIONS=214} [2025-03-04 06:23:10,183 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -36 predicate places. [2025-03-04 06:23:10,183 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 214 transitions, 496 flow [2025-03-04 06:23:10,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2025-03-04 06:23:10,183 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:10,183 INFO L206 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] [2025-03-04 06:23:10,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-03-04 06:23:10,183 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:10,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2044287022, now seen corresponding path program 1 times [2025-03-04 06:23:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:10,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829054540] [2025-03-04 06:23:10,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:10,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-04 06:23:10,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-04 06:23:10,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:10,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:10,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:10,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829054540] [2025-03-04 06:23:10,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829054540] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:10,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:10,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:10,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096314342] [2025-03-04 06:23:10,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:10,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:10,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:10,209 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:10,209 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:10,215 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 226 out of 271 [2025-03-04 06:23:10,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 214 transitions, 496 flow. Second operand has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2025-03-04 06:23:10,215 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:10,215 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 226 of 271 [2025-03-04 06:23:10,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:11,565 INFO L124 PetriNetUnfolderBase]: 2546/15313 cut-off events. [2025-03-04 06:23:11,565 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2025-03-04 06:23:11,609 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20987 conditions, 15313 events. 2546/15313 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 413. Compared 181411 event pairs, 1706 based on Foata normal form. 0/12925 useless extension candidates. Maximal degree in co-relation 19194. Up to 1670 conditions per place. [2025-03-04 06:23:11,647 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 41 selfloop transitions, 1 changer transitions 0/233 dead transitions. [2025-03-04 06:23:11,648 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 233 transitions, 658 flow [2025-03-04 06:23:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:11,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:11,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 721 transitions. [2025-03-04 06:23:11,649 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8868388683886839 [2025-03-04 06:23:11,649 INFO L175 Difference]: Start difference. First operand has 222 places, 214 transitions, 496 flow. Second operand 3 states and 721 transitions. [2025-03-04 06:23:11,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 233 transitions, 658 flow [2025-03-04 06:23:11,653 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 233 transitions, 654 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-03-04 06:23:11,655 INFO L231 Difference]: Finished difference. Result has 219 places, 213 transitions, 492 flow [2025-03-04 06:23:11,655 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=490, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=213, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=212, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=492, PETRI_PLACES=219, PETRI_TRANSITIONS=213} [2025-03-04 06:23:11,656 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2025-03-04 06:23:11,656 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 213 transitions, 492 flow [2025-03-04 06:23:11,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 226.66666666666666) internal successors, (680), 3 states have internal predecessors, (680), 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) [2025-03-04 06:23:11,657 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:11,657 INFO L206 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] [2025-03-04 06:23:11,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-04 06:23:11,657 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:11,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:11,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1671825103, now seen corresponding path program 1 times [2025-03-04 06:23:11,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:11,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688413840] [2025-03-04 06:23:11,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:11,665 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-04 06:23:11,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-04 06:23:11,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:11,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:11,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:11,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:11,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688413840] [2025-03-04 06:23:11,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688413840] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:11,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:11,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-04 06:23:11,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87838540] [2025-03-04 06:23:11,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:11,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:11,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:11,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:11,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:11,704 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 218 out of 271 [2025-03-04 06:23:11,705 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 213 transitions, 492 flow. Second operand has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2025-03-04 06:23:11,705 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:11,705 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 218 of 271 [2025-03-04 06:23:11,705 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:13,336 INFO L124 PetriNetUnfolderBase]: 5342/19618 cut-off events. [2025-03-04 06:23:13,337 INFO L125 PetriNetUnfolderBase]: For 4260/12460 co-relation queries the response was YES. [2025-03-04 06:23:13,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30270 conditions, 19618 events. 5342/19618 cut-off events. For 4260/12460 co-relation queries the response was YES. Maximal size of possible extension queue 594. Compared 222348 event pairs, 4482 based on Foata normal form. 0/16493 useless extension candidates. Maximal degree in co-relation 25847. Up to 7458 conditions per place. [2025-03-04 06:23:13,424 INFO L140 encePairwiseOnDemand]: 268/271 looper letters, 29 selfloop transitions, 2 changer transitions 0/212 dead transitions. [2025-03-04 06:23:13,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 212 transitions, 552 flow [2025-03-04 06:23:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:13,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2025-03-04 06:23:13,426 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8425584255842559 [2025-03-04 06:23:13,426 INFO L175 Difference]: Start difference. First operand has 219 places, 213 transitions, 492 flow. Second operand 3 states and 685 transitions. [2025-03-04 06:23:13,426 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 212 transitions, 552 flow [2025-03-04 06:23:13,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 219 places, 212 transitions, 551 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:23:13,430 INFO L231 Difference]: Finished difference. Result has 219 places, 212 transitions, 493 flow [2025-03-04 06:23:13,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=489, PETRI_DIFFERENCE_MINUEND_PLACES=217, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=212, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=210, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=493, PETRI_PLACES=219, PETRI_TRANSITIONS=212} [2025-03-04 06:23:13,431 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -39 predicate places. [2025-03-04 06:23:13,431 INFO L471 AbstractCegarLoop]: Abstraction has has 219 places, 212 transitions, 493 flow [2025-03-04 06:23:13,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 219.33333333333334) internal successors, (658), 3 states have internal predecessors, (658), 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) [2025-03-04 06:23:13,431 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:13,431 INFO L206 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] [2025-03-04 06:23:13,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-04 06:23:13,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:13,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:13,432 INFO L85 PathProgramCache]: Analyzing trace with hash 858448944, now seen corresponding path program 1 times [2025-03-04 06:23:13,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:13,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147402429] [2025-03-04 06:23:13,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:13,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-03-04 06:23:13,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-03-04 06:23:13,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:13,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:13,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:13,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:13,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147402429] [2025-03-04 06:23:13,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147402429] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:13,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:13,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-04 06:23:13,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440542627] [2025-03-04 06:23:13,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:13,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-04 06:23:13,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:13,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-04 06:23:13,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-04 06:23:13,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 271 [2025-03-04 06:23:13,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 219 places, 212 transitions, 493 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:23:13,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:13,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 271 [2025-03-04 06:23:13,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:14,998 INFO L124 PetriNetUnfolderBase]: 3752/18416 cut-off events. [2025-03-04 06:23:14,999 INFO L125 PetriNetUnfolderBase]: For 4748/26624 co-relation queries the response was YES. [2025-03-04 06:23:15,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26174 conditions, 18416 events. 3752/18416 cut-off events. For 4748/26624 co-relation queries the response was YES. Maximal size of possible extension queue 542. Compared 217954 event pairs, 2730 based on Foata normal form. 2/15381 useless extension candidates. Maximal degree in co-relation 23379. Up to 5036 conditions per place. [2025-03-04 06:23:15,059 INFO L140 encePairwiseOnDemand]: 269/271 looper letters, 27 selfloop transitions, 0 changer transitions 1/211 dead transitions. [2025-03-04 06:23:15,059 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 211 transitions, 544 flow [2025-03-04 06:23:15,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-04 06:23:15,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-04 06:23:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 686 transitions. [2025-03-04 06:23:15,061 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8437884378843789 [2025-03-04 06:23:15,061 INFO L175 Difference]: Start difference. First operand has 219 places, 212 transitions, 493 flow. Second operand 3 states and 686 transitions. [2025-03-04 06:23:15,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 211 transitions, 544 flow [2025-03-04 06:23:15,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 217 places, 211 transitions, 536 flow, removed 1 selfloop flow, removed 4 redundant places. [2025-03-04 06:23:15,064 INFO L231 Difference]: Finished difference. Result has 218 places, 210 transitions, 480 flow [2025-03-04 06:23:15,064 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=480, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=480, PETRI_PLACES=218, PETRI_TRANSITIONS=210} [2025-03-04 06:23:15,065 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -40 predicate places. [2025-03-04 06:23:15,065 INFO L471 AbstractCegarLoop]: Abstraction has has 218 places, 210 transitions, 480 flow [2025-03-04 06:23:15,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-04 06:23:15,065 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:15,065 INFO L206 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] [2025-03-04 06:23:15,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-03-04 06:23:15,065 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:15,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:15,065 INFO L85 PathProgramCache]: Analyzing trace with hash 1458034742, now seen corresponding path program 1 times [2025-03-04 06:23:15,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207184375] [2025-03-04 06:23:15,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:15,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:15,071 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-04 06:23:15,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-04 06:23:15,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:15,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:15,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:15,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207184375] [2025-03-04 06:23:15,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207184375] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:15,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:15,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:23:15,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783384286] [2025-03-04 06:23:15,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:15,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:23:15,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:15,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:23:15,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:23:15,411 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2025-03-04 06:23:15,412 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 218 places, 210 transitions, 480 flow. Second operand has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2025-03-04 06:23:15,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:15,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2025-03-04 06:23:15,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:20,606 INFO L124 PetriNetUnfolderBase]: 21016/65744 cut-off events. [2025-03-04 06:23:20,606 INFO L125 PetriNetUnfolderBase]: For 3106/3248 co-relation queries the response was YES. [2025-03-04 06:23:20,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 104271 conditions, 65744 events. 21016/65744 cut-off events. For 3106/3248 co-relation queries the response was YES. Maximal size of possible extension queue 1376. Compared 823464 event pairs, 9754 based on Foata normal form. 0/59499 useless extension candidates. Maximal degree in co-relation 104262. Up to 29941 conditions per place. [2025-03-04 06:23:20,946 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 64 selfloop transitions, 5 changer transitions 3/225 dead transitions. [2025-03-04 06:23:20,947 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 221 places, 225 transitions, 650 flow [2025-03-04 06:23:20,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:23:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:23:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1235 transitions. [2025-03-04 06:23:20,949 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7595325953259533 [2025-03-04 06:23:20,949 INFO L175 Difference]: Start difference. First operand has 218 places, 210 transitions, 480 flow. Second operand 6 states and 1235 transitions. [2025-03-04 06:23:20,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 221 places, 225 transitions, 650 flow [2025-03-04 06:23:20,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 220 places, 225 transitions, 648 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-03-04 06:23:20,956 INFO L231 Difference]: Finished difference. Result has 220 places, 206 transitions, 480 flow [2025-03-04 06:23:20,956 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=476, PETRI_DIFFERENCE_MINUEND_PLACES=215, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=209, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=204, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=480, PETRI_PLACES=220, PETRI_TRANSITIONS=206} [2025-03-04 06:23:20,956 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -38 predicate places. [2025-03-04 06:23:20,956 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 206 transitions, 480 flow [2025-03-04 06:23:20,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.66666666666666) internal successors, (1174), 6 states have internal predecessors, (1174), 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) [2025-03-04 06:23:20,957 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:20,957 INFO L206 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] [2025-03-04 06:23:20,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2025-03-04 06:23:20,957 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:20,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 545115815, now seen corresponding path program 1 times [2025-03-04 06:23:20,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:20,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741189157] [2025-03-04 06:23:20,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:20,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:20,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-04 06:23:20,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-04 06:23:20,967 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:20,967 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:21,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:21,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741189157] [2025-03-04 06:23:21,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741189157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:21,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:21,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-04 06:23:21,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564499605] [2025-03-04 06:23:21,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:21,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-04 06:23:21,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:21,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-04 06:23:21,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-04 06:23:21,096 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 214 out of 271 [2025-03-04 06:23:21,097 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 206 transitions, 480 flow. Second operand has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2025-03-04 06:23:21,097 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:21,097 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 214 of 271 [2025-03-04 06:23:21,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:23,636 INFO L124 PetriNetUnfolderBase]: 7222/26805 cut-off events. [2025-03-04 06:23:23,636 INFO L125 PetriNetUnfolderBase]: For 3680/8506 co-relation queries the response was YES. [2025-03-04 06:23:23,701 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40888 conditions, 26805 events. 7222/26805 cut-off events. For 3680/8506 co-relation queries the response was YES. Maximal size of possible extension queue 664. Compared 316003 event pairs, 5043 based on Foata normal form. 137/23508 useless extension candidates. Maximal degree in co-relation 40879. Up to 5892 conditions per place. [2025-03-04 06:23:23,751 INFO L140 encePairwiseOnDemand]: 258/271 looper letters, 77 selfloop transitions, 11 changer transitions 0/259 dead transitions. [2025-03-04 06:23:23,751 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 220 places, 259 transitions, 826 flow [2025-03-04 06:23:23,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-04 06:23:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-04 06:23:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 946 transitions. [2025-03-04 06:23:23,752 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8726937269372693 [2025-03-04 06:23:23,752 INFO L175 Difference]: Start difference. First operand has 220 places, 206 transitions, 480 flow. Second operand 4 states and 946 transitions. [2025-03-04 06:23:23,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 220 places, 259 transitions, 826 flow [2025-03-04 06:23:23,758 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 215 places, 259 transitions, 816 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-03-04 06:23:23,759 INFO L231 Difference]: Finished difference. Result has 217 places, 215 transitions, 552 flow [2025-03-04 06:23:23,760 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=206, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=195, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=552, PETRI_PLACES=217, PETRI_TRANSITIONS=215} [2025-03-04 06:23:23,760 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -41 predicate places. [2025-03-04 06:23:23,760 INFO L471 AbstractCegarLoop]: Abstraction has has 217 places, 215 transitions, 552 flow [2025-03-04 06:23:23,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 215.5) internal successors, (862), 4 states have internal predecessors, (862), 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) [2025-03-04 06:23:23,760 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:23,761 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 06:23:23,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-03-04 06:23:23,761 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:23,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:23,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1359471381, now seen corresponding path program 1 times [2025-03-04 06:23:23,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:23,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744805308] [2025-03-04 06:23:23,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:23,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:23,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-04 06:23:23,781 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-04 06:23:23,781 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:23,781 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:23,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:23,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744805308] [2025-03-04 06:23:23,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744805308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:23,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:23,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-04 06:23:23,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514897449] [2025-03-04 06:23:23,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:23,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:23:23,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:23,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:23:23,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:23:24,040 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2025-03-04 06:23:24,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 217 places, 215 transitions, 552 flow. Second operand has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2025-03-04 06:23:24,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:24,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2025-03-04 06:23:24,042 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:26,389 INFO L124 PetriNetUnfolderBase]: 7028/27245 cut-off events. [2025-03-04 06:23:26,389 INFO L125 PetriNetUnfolderBase]: For 7164/10057 co-relation queries the response was YES. [2025-03-04 06:23:26,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44175 conditions, 27245 events. 7028/27245 cut-off events. For 7164/10057 co-relation queries the response was YES. Maximal size of possible extension queue 630. Compared 324382 event pairs, 4588 based on Foata normal form. 3/23823 useless extension candidates. Maximal degree in co-relation 44164. Up to 5944 conditions per place. [2025-03-04 06:23:26,519 INFO L140 encePairwiseOnDemand]: 257/271 looper letters, 88 selfloop transitions, 14 changer transitions 0/271 dead transitions. [2025-03-04 06:23:26,519 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 223 places, 271 transitions, 948 flow [2025-03-04 06:23:26,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 06:23:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-04 06:23:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1587 transitions. [2025-03-04 06:23:26,522 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8365840801265155 [2025-03-04 06:23:26,522 INFO L175 Difference]: Start difference. First operand has 217 places, 215 transitions, 552 flow. Second operand 7 states and 1587 transitions. [2025-03-04 06:23:26,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 223 places, 271 transitions, 948 flow [2025-03-04 06:23:26,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 222 places, 271 transitions, 946 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-03-04 06:23:26,531 INFO L231 Difference]: Finished difference. Result has 225 places, 218 transitions, 607 flow [2025-03-04 06:23:26,532 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=550, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=607, PETRI_PLACES=225, PETRI_TRANSITIONS=218} [2025-03-04 06:23:26,532 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -33 predicate places. [2025-03-04 06:23:26,532 INFO L471 AbstractCegarLoop]: Abstraction has has 225 places, 218 transitions, 607 flow [2025-03-04 06:23:26,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 213.66666666666666) internal successors, (1282), 6 states have internal predecessors, (1282), 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) [2025-03-04 06:23:26,533 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:26,533 INFO L206 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] [2025-03-04 06:23:26,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-04 06:23:26,533 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:26,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1489184810, now seen corresponding path program 1 times [2025-03-04 06:23:26,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:26,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556422512] [2025-03-04 06:23:26,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:26,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:26,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-04 06:23:26,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-04 06:23:26,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:26,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:26,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:26,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556422512] [2025-03-04 06:23:26,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556422512] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:26,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:26,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:23:26,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632048966] [2025-03-04 06:23:26,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:26,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 06:23:26,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:26,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 06:23:26,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-04 06:23:26,948 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 194 out of 271 [2025-03-04 06:23:26,949 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 225 places, 218 transitions, 607 flow. Second operand has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2025-03-04 06:23:26,949 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:26,949 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 194 of 271 [2025-03-04 06:23:26,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-04 06:23:31,463 INFO L124 PetriNetUnfolderBase]: 21085/50115 cut-off events. [2025-03-04 06:23:31,463 INFO L125 PetriNetUnfolderBase]: For 8511/8515 co-relation queries the response was YES. [2025-03-04 06:23:31,663 INFO L83 FinitePrefix]: Finished finitePrefix Result has 87702 conditions, 50115 events. 21085/50115 cut-off events. For 8511/8515 co-relation queries the response was YES. Maximal size of possible extension queue 851. Compared 518542 event pairs, 9342 based on Foata normal form. 0/47064 useless extension candidates. Maximal degree in co-relation 87688. Up to 25899 conditions per place. [2025-03-04 06:23:31,809 INFO L140 encePairwiseOnDemand]: 264/271 looper letters, 90 selfloop transitions, 6 changer transitions 0/249 dead transitions. [2025-03-04 06:23:31,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 229 places, 249 transitions, 861 flow [2025-03-04 06:23:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 06:23:31,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-04 06:23:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1251 transitions. [2025-03-04 06:23:31,812 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7693726937269373 [2025-03-04 06:23:31,812 INFO L175 Difference]: Start difference. First operand has 225 places, 218 transitions, 607 flow. Second operand 6 states and 1251 transitions. [2025-03-04 06:23:31,812 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 229 places, 249 transitions, 861 flow [2025-03-04 06:23:31,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 249 transitions, 837 flow, removed 1 selfloop flow, removed 3 redundant places. [2025-03-04 06:23:31,826 INFO L231 Difference]: Finished difference. Result has 226 places, 217 transitions, 593 flow [2025-03-04 06:23:31,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=271, PETRI_DIFFERENCE_MINUEND_FLOW=581, PETRI_DIFFERENCE_MINUEND_PLACES=221, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=217, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=211, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=593, PETRI_PLACES=226, PETRI_TRANSITIONS=217} [2025-03-04 06:23:31,826 INFO L279 CegarLoopForPetriNet]: 258 programPoint places, -32 predicate places. [2025-03-04 06:23:31,826 INFO L471 AbstractCegarLoop]: Abstraction has has 226 places, 217 transitions, 593 flow [2025-03-04 06:23:31,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 195.83333333333334) internal successors, (1175), 6 states have internal predecessors, (1175), 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) [2025-03-04 06:23:31,827 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-03-04 06:23:31,827 INFO L206 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] [2025-03-04 06:23:31,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-04 06:23:31,827 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [setThreadErr1ASSERT_VIOLATIONDATA_RACE, setThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 35 more)] === [2025-03-04 06:23:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 06:23:31,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1032957154, now seen corresponding path program 1 times [2025-03-04 06:23:31,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 06:23:31,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987881474] [2025-03-04 06:23:31,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 06:23:31,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 06:23:31,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-04 06:23:31,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-04 06:23:31,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 06:23:31,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 06:23:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-04 06:23:31,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 06:23:31,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987881474] [2025-03-04 06:23:31,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987881474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 06:23:31,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 06:23:31,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 06:23:31,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10347902] [2025-03-04 06:23:31,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 06:23:31,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 06:23:31,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 06:23:31,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 06:23:31,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-04 06:23:32,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 271 [2025-03-04 06:23:32,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 226 places, 217 transitions, 593 flow. Second operand has 5 states, 5 states have (on average 213.8) internal successors, (1069), 5 states have internal predecessors, (1069), 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) [2025-03-04 06:23:32,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-04 06:23:32,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 271 [2025-03-04 06:23:32,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand