./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 21:32:06,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 21:32:06,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-01-09 21:32:06,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 21:32:06,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 21:32:06,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 21:32:06,115 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 21:32:06,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 21:32:06,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 21:32:06,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 21:32:06,116 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 21:32:06,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 21:32:06,116 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 21:32:06,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 21:32:06,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 21:32:06,118 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:06,118 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 21:32:06,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:06,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 21:32:06,119 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 21:32:06,119 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-jdk21/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 -> bf26be9bd61f36f1b6136fc4e500a91a95d08528025fd00027577283116c4a35 [2025-01-09 21:32:06,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 21:32:06,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 21:32:06,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 21:32:06,416 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 21:32:06,417 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 21:32:06,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2025-01-09 21:32:07,699 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/33e13710e/54ee27da46d9444185894662d87a0fc0/FLAG7ba9e85e0 [2025-01-09 21:32:07,958 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 21:32:07,959 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/weaver/parallel-min-max-1.wvr.c [2025-01-09 21:32:07,968 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/33e13710e/54ee27da46d9444185894662d87a0fc0/FLAG7ba9e85e0 [2025-01-09 21:32:07,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/33e13710e/54ee27da46d9444185894662d87a0fc0 [2025-01-09 21:32:07,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 21:32:07,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 21:32:07,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 21:32:07,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 21:32:08,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 21:32:08,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:32:07" (1/1) ... [2025-01-09 21:32:08,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6135fcf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08, skipping insertion in model container [2025-01-09 21:32:08,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 09:32:07" (1/1) ... [2025-01-09 21:32:08,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 21:32:08,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:32:08,236 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 21:32:08,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 21:32:08,296 INFO L204 MainTranslator]: Completed translation [2025-01-09 21:32:08,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08 WrapperNode [2025-01-09 21:32:08,299 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 21:32:08,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 21:32:08,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 21:32:08,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 21:32:08,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,344 INFO L138 Inliner]: procedures = 22, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 137 [2025-01-09 21:32:08,344 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 21:32:08,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 21:32:08,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 21:32:08,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 21:32:08,351 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,351 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,364 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,365 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 21:32:08,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 21:32:08,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 21:32:08,384 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 21:32:08,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (1/1) ... [2025-01-09 21:32:08,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 21:32:08,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 21:32:08,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-09 21:32:08,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-09 21:32:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 21:32:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-09 21:32:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-09 21:32:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-09 21:32:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-09 21:32:08,433 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-09 21:32:08,433 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-09 21:32:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 21:32:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 21:32:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-09 21:32:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 21:32:08,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 21:32:08,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 21:32:08,435 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-09 21:32:08,533 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 21:32:08,535 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 21:32:08,973 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-09 21:32:08,973 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 21:32:08,986 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 21:32:08,986 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-09 21:32:08,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08 BoogieIcfgContainer [2025-01-09 21:32:08,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 21:32:08,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 21:32:08,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 21:32:08,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 21:32:08,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 09:32:07" (1/3) ... [2025-01-09 21:32:08,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e4ee0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:32:08, skipping insertion in model container [2025-01-09 21:32:08,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 09:32:08" (2/3) ... [2025-01-09 21:32:08,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e4ee0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 09:32:08, skipping insertion in model container [2025-01-09 21:32:08,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08" (3/3) ... [2025-01-09 21:32:08,995 INFO L128 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2025-01-09 21:32:09,012 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 21:32:09,013 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-min-max-1.wvr.c that has 4 procedures, 257 locations, 1 initial locations, 3 loop locations, and 16 error locations. [2025-01-09 21:32:09,013 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-09 21:32:09,135 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-09 21:32:09,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 266 places, 267 transitions, 555 flow [2025-01-09 21:32:09,291 INFO L124 PetriNetUnfolderBase]: 11/264 cut-off events. [2025-01-09 21:32:09,294 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-01-09 21:32:09,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 277 conditions, 264 events. 11/264 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 383 event pairs, 0 based on Foata normal form. 0/237 useless extension candidates. Maximal degree in co-relation 242. Up to 2 conditions per place. [2025-01-09 21:32:09,302 INFO L82 GeneralOperation]: Start removeDead. Operand has 266 places, 267 transitions, 555 flow [2025-01-09 21:32:09,309 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 246 places, 246 transitions, 504 flow [2025-01-09 21:32:09,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 21:32:09,333 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;@12f4a555, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 21:32:09,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2025-01-09 21:32:09,351 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-01-09 21:32:09,351 INFO L124 PetriNetUnfolderBase]: 3/92 cut-off events. [2025-01-09 21:32:09,351 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-01-09 21:32:09,351 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:09,352 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, 1, 1, 1, 1] [2025-01-09 21:32:09,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:09,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:09,360 INFO L85 PathProgramCache]: Analyzing trace with hash -58529011, now seen corresponding path program 1 times [2025-01-09 21:32:09,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:09,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760287857] [2025-01-09 21:32:09,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:09,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:09,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-09 21:32:09,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-09 21:32:09,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:09,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:09,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:09,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:09,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760287857] [2025-01-09 21:32:09,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760287857] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:09,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:09,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:32:09,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507473228] [2025-01-09 21:32:09,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:09,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:32:09,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:09,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:32:09,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:32:09,712 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 267 [2025-01-09 21:32:09,718 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 246 places, 246 transitions, 504 flow. Second operand has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:32:09,719 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:09,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 267 [2025-01-09 21:32:09,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:09,966 INFO L124 PetriNetUnfolderBase]: 65/750 cut-off events. [2025-01-09 21:32:09,967 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES. [2025-01-09 21:32:09,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 750 events. 65/750 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 3788 event pairs, 39 based on Foata normal form. 4/640 useless extension candidates. Maximal degree in co-relation 684. Up to 84 conditions per place. [2025-01-09 21:32:09,979 INFO L140 encePairwiseOnDemand]: 260/267 looper letters, 14 selfloop transitions, 2 changer transitions 4/241 dead transitions. [2025-01-09 21:32:09,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 241 transitions, 526 flow [2025-01-09 21:32:09,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:32:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:32:09,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 744 transitions. [2025-01-09 21:32:10,001 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9288389513108615 [2025-01-09 21:32:10,004 INFO L175 Difference]: Start difference. First operand has 246 places, 246 transitions, 504 flow. Second operand 3 states and 744 transitions. [2025-01-09 21:32:10,005 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 241 transitions, 526 flow [2025-01-09 21:32:10,011 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 241 transitions, 520 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-01-09 21:32:10,017 INFO L231 Difference]: Finished difference. Result has 243 places, 237 transitions, 484 flow [2025-01-09 21:32:10,019 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=488, PETRI_DIFFERENCE_MINUEND_PLACES=241, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=239, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=484, PETRI_PLACES=243, PETRI_TRANSITIONS=237} [2025-01-09 21:32:10,023 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -3 predicate places. [2025-01-09 21:32:10,024 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 237 transitions, 484 flow [2025-01-09 21:32:10,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 242.33333333333334) internal successors, (727), 3 states have internal predecessors, (727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-09 21:32:10,025 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:10,025 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, 1, 1, 1, 1] [2025-01-09 21:32:10,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-09 21:32:10,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:10,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:10,027 INFO L85 PathProgramCache]: Analyzing trace with hash -809515148, now seen corresponding path program 1 times [2025-01-09 21:32:10,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:10,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508699923] [2025-01-09 21:32:10,027 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:10,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:10,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-09 21:32:10,092 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-09 21:32:10,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:10,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:10,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:10,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:10,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508699923] [2025-01-09 21:32:10,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508699923] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:10,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:10,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:10,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347480586] [2025-01-09 21:32:10,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:10,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:10,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:10,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:10,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:11,033 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 213 out of 267 [2025-01-09 21:32:11,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 237 transitions, 484 flow. Second operand has 6 states, 6 states have (on average 214.5) internal successors, (1287), 6 states have internal predecessors, (1287), 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) [2025-01-09 21:32:11,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:11,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 213 of 267 [2025-01-09 21:32:11,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:11,448 INFO L124 PetriNetUnfolderBase]: 609/2228 cut-off events. [2025-01-09 21:32:11,448 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-01-09 21:32:11,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3535 conditions, 2228 events. 609/2228 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 86. Compared 16086 event pairs, 480 based on Foata normal form. 0/1903 useless extension candidates. Maximal degree in co-relation 3422. Up to 933 conditions per place. [2025-01-09 21:32:11,469 INFO L140 encePairwiseOnDemand]: 261/267 looper letters, 40 selfloop transitions, 5 changer transitions 0/236 dead transitions. [2025-01-09 21:32:11,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 243 places, 236 transitions, 572 flow [2025-01-09 21:32:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:11,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1324 transitions. [2025-01-09 21:32:11,474 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8264669163545568 [2025-01-09 21:32:11,474 INFO L175 Difference]: Start difference. First operand has 243 places, 237 transitions, 484 flow. Second operand 6 states and 1324 transitions. [2025-01-09 21:32:11,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 243 places, 236 transitions, 572 flow [2025-01-09 21:32:11,476 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 236 transitions, 568 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-01-09 21:32:11,478 INFO L231 Difference]: Finished difference. Result has 241 places, 236 transitions, 488 flow [2025-01-09 21:32:11,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=478, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=231, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=488, PETRI_PLACES=241, PETRI_TRANSITIONS=236} [2025-01-09 21:32:11,479 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -5 predicate places. [2025-01-09 21:32:11,479 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 236 transitions, 488 flow [2025-01-09 21:32:11,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 214.5) internal successors, (1287), 6 states have internal predecessors, (1287), 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) [2025-01-09 21:32:11,480 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:11,480 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:11,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-09 21:32:11,481 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:11,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:11,482 INFO L85 PathProgramCache]: Analyzing trace with hash 94947827, now seen corresponding path program 1 times [2025-01-09 21:32:11,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:11,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076011997] [2025-01-09 21:32:11,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:11,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-09 21:32:11,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-09 21:32:11,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:11,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:11,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:11,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:11,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076011997] [2025-01-09 21:32:11,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076011997] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:11,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:11,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-09 21:32:11,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298819135] [2025-01-09 21:32:11,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:11,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-09 21:32:11,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:11,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-09 21:32:11,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-09 21:32:11,575 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 267 [2025-01-09 21:32:11,576 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 236 transitions, 488 flow. Second operand has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2025-01-09 21:32:11,576 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:11,576 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 267 [2025-01-09 21:32:11,576 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:11,739 INFO L124 PetriNetUnfolderBase]: 207/1275 cut-off events. [2025-01-09 21:32:11,739 INFO L125 PetriNetUnfolderBase]: For 16/16 co-relation queries the response was YES. [2025-01-09 21:32:11,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 1275 events. 207/1275 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 7941 event pairs, 66 based on Foata normal form. 0/1125 useless extension candidates. Maximal degree in co-relation 1673. Up to 286 conditions per place. [2025-01-09 21:32:11,750 INFO L140 encePairwiseOnDemand]: 257/267 looper letters, 21 selfloop transitions, 3 changer transitions 0/234 dead transitions. [2025-01-09 21:32:11,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 234 transitions, 537 flow [2025-01-09 21:32:11,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-09 21:32:11,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-01-09 21:32:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 730 transitions. [2025-01-09 21:32:11,753 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9113607990012484 [2025-01-09 21:32:11,753 INFO L175 Difference]: Start difference. First operand has 241 places, 236 transitions, 488 flow. Second operand 3 states and 730 transitions. [2025-01-09 21:32:11,753 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 236 places, 234 transitions, 537 flow [2025-01-09 21:32:11,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 231 places, 234 transitions, 527 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:32:11,764 INFO L231 Difference]: Finished difference. Result has 232 places, 231 transitions, 481 flow [2025-01-09 21:32:11,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=229, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=481, PETRI_PLACES=232, PETRI_TRANSITIONS=231} [2025-01-09 21:32:11,767 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -14 predicate places. [2025-01-09 21:32:11,767 INFO L471 AbstractCegarLoop]: Abstraction has has 232 places, 231 transitions, 481 flow [2025-01-09 21:32:11,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 234.0) internal successors, (702), 3 states have internal predecessors, (702), 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) [2025-01-09 21:32:11,769 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:11,769 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:11,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-09 21:32:11,769 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:11,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1808052931, now seen corresponding path program 1 times [2025-01-09 21:32:11,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:11,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847442855] [2025-01-09 21:32:11,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:11,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:11,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-01-09 21:32:11,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-09 21:32:11,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:11,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:12,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:12,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:12,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847442855] [2025-01-09 21:32:12,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847442855] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:12,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:12,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:12,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024722825] [2025-01-09 21:32:12,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:12,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:12,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:12,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:12,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:12,558 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 267 [2025-01-09 21:32:12,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 231 transitions, 481 flow. Second operand has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 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) [2025-01-09 21:32:12,561 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:12,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 267 [2025-01-09 21:32:12,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:12,821 INFO L124 PetriNetUnfolderBase]: 218/1411 cut-off events. [2025-01-09 21:32:12,821 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2025-01-09 21:32:12,825 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1887 conditions, 1411 events. 218/1411 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 10334 event pairs, 48 based on Foata normal form. 0/1295 useless extension candidates. Maximal degree in co-relation 1280. Up to 225 conditions per place. [2025-01-09 21:32:12,830 INFO L140 encePairwiseOnDemand]: 252/267 looper letters, 42 selfloop transitions, 12 changer transitions 0/257 dead transitions. [2025-01-09 21:32:12,830 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 257 transitions, 658 flow [2025-01-09 21:32:12,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1443 transitions. [2025-01-09 21:32:12,834 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.900749063670412 [2025-01-09 21:32:12,834 INFO L175 Difference]: Start difference. First operand has 232 places, 231 transitions, 481 flow. Second operand 6 states and 1443 transitions. [2025-01-09 21:32:12,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 257 transitions, 658 flow [2025-01-09 21:32:12,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 234 places, 257 transitions, 658 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:32:12,838 INFO L231 Difference]: Finished difference. Result has 238 places, 236 transitions, 552 flow [2025-01-09 21:32:12,839 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=475, PETRI_DIFFERENCE_MINUEND_PLACES=229, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=552, PETRI_PLACES=238, PETRI_TRANSITIONS=236} [2025-01-09 21:32:12,839 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -8 predicate places. [2025-01-09 21:32:12,840 INFO L471 AbstractCegarLoop]: Abstraction has has 238 places, 236 transitions, 552 flow [2025-01-09 21:32:12,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 232.16666666666666) internal successors, (1393), 6 states have internal predecessors, (1393), 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) [2025-01-09 21:32:12,841 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:12,841 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:12,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-09 21:32:12,841 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:12,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:12,842 INFO L85 PathProgramCache]: Analyzing trace with hash 343938334, now seen corresponding path program 1 times [2025-01-09 21:32:12,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:12,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154149770] [2025-01-09 21:32:12,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:12,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:12,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-01-09 21:32:12,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-01-09 21:32:12,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:12,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:13,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:13,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:13,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154149770] [2025-01-09 21:32:13,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154149770] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:13,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:13,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 21:32:13,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780259873] [2025-01-09 21:32:13,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:13,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 21:32:13,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:13,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 21:32:13,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 21:32:13,244 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 267 [2025-01-09 21:32:13,246 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 236 transitions, 552 flow. Second operand has 7 states, 7 states have (on average 241.85714285714286) internal successors, (1693), 7 states have internal predecessors, (1693), 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) [2025-01-09 21:32:13,246 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:13,246 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 267 [2025-01-09 21:32:13,246 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:13,478 INFO L124 PetriNetUnfolderBase]: 87/1239 cut-off events. [2025-01-09 21:32:13,478 INFO L125 PetriNetUnfolderBase]: For 18/24 co-relation queries the response was YES. [2025-01-09 21:32:13,485 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1571 conditions, 1239 events. 87/1239 cut-off events. For 18/24 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 7921 event pairs, 18 based on Foata normal form. 7/1154 useless extension candidates. Maximal degree in co-relation 529. Up to 42 conditions per place. [2025-01-09 21:32:13,490 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 18 selfloop transitions, 14 changer transitions 0/249 dead transitions. [2025-01-09 21:32:13,490 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 247 places, 249 transitions, 652 flow [2025-01-09 21:32:13,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 21:32:13,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-01-09 21:32:13,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2433 transitions. [2025-01-09 21:32:13,498 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9112359550561798 [2025-01-09 21:32:13,498 INFO L175 Difference]: Start difference. First operand has 238 places, 236 transitions, 552 flow. Second operand 10 states and 2433 transitions. [2025-01-09 21:32:13,498 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 247 places, 249 transitions, 652 flow [2025-01-09 21:32:13,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 247 places, 249 transitions, 652 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-01-09 21:32:13,507 INFO L231 Difference]: Finished difference. Result has 251 places, 243 transitions, 618 flow [2025-01-09 21:32:13,508 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=236, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=224, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=618, PETRI_PLACES=251, PETRI_TRANSITIONS=243} [2025-01-09 21:32:13,509 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, 5 predicate places. [2025-01-09 21:32:13,511 INFO L471 AbstractCegarLoop]: Abstraction has has 251 places, 243 transitions, 618 flow [2025-01-09 21:32:13,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 241.85714285714286) internal successors, (1693), 7 states have internal predecessors, (1693), 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) [2025-01-09 21:32:13,512 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:13,513 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:13,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 21:32:13,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:13,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:13,514 INFO L85 PathProgramCache]: Analyzing trace with hash 622029483, now seen corresponding path program 1 times [2025-01-09 21:32:13,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:13,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574942469] [2025-01-09 21:32:13,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:13,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:13,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-09 21:32:13,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-09 21:32:13,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:13,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:13,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-09 21:32:13,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:13,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574942469] [2025-01-09 21:32:13,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574942469] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:13,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:13,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-09 21:32:13,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981001628] [2025-01-09 21:32:13,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:13,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-09 21:32:13,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:13,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-09 21:32:13,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-09 21:32:13,898 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 267 [2025-01-09 21:32:13,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 251 places, 243 transitions, 618 flow. Second operand has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2025-01-09 21:32:13,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:13,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 267 [2025-01-09 21:32:13,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:14,123 INFO L124 PetriNetUnfolderBase]: 103/1200 cut-off events. [2025-01-09 21:32:14,123 INFO L125 PetriNetUnfolderBase]: For 43/57 co-relation queries the response was YES. [2025-01-09 21:32:14,129 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 1200 events. 103/1200 cut-off events. For 43/57 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 7780 event pairs, 43 based on Foata normal form. 13/1142 useless extension candidates. Maximal degree in co-relation 1479. Up to 92 conditions per place. [2025-01-09 21:32:14,133 INFO L140 encePairwiseOnDemand]: 254/267 looper letters, 12 selfloop transitions, 8 changer transitions 14/251 dead transitions. [2025-01-09 21:32:14,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 260 places, 251 transitions, 707 flow [2025-01-09 21:32:14,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-09 21:32:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-01-09 21:32:14,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 2433 transitions. [2025-01-09 21:32:14,138 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9112359550561798 [2025-01-09 21:32:14,138 INFO L175 Difference]: Start difference. First operand has 251 places, 243 transitions, 618 flow. Second operand 10 states and 2433 transitions. [2025-01-09 21:32:14,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 260 places, 251 transitions, 707 flow [2025-01-09 21:32:14,141 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 251 transitions, 703 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-01-09 21:32:14,144 INFO L231 Difference]: Finished difference. Result has 261 places, 237 transitions, 606 flow [2025-01-09 21:32:14,144 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=614, PETRI_DIFFERENCE_MINUEND_PLACES=250, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=243, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=235, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=606, PETRI_PLACES=261, PETRI_TRANSITIONS=237} [2025-01-09 21:32:14,145 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, 15 predicate places. [2025-01-09 21:32:14,145 INFO L471 AbstractCegarLoop]: Abstraction has has 261 places, 237 transitions, 606 flow [2025-01-09 21:32:14,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 242.0) internal successors, (1694), 7 states have internal predecessors, (1694), 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) [2025-01-09 21:32:14,146 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:14,146 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:14,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-09 21:32:14,146 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:14,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:14,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1781037987, now seen corresponding path program 1 times [2025-01-09 21:32:14,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:14,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426588847] [2025-01-09 21:32:14,147 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:14,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:14,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-01-09 21:32:14,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-09 21:32:14,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:14,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:14,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 21:32:14,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:14,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426588847] [2025-01-09 21:32:14,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426588847] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:14,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:14,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:14,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418432776] [2025-01-09 21:32:14,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:14,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:14,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:14,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:14,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:14,970 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 267 [2025-01-09 21:32:14,972 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 261 places, 237 transitions, 606 flow. Second operand has 6 states, 6 states have (on average 236.16666666666666) internal successors, (1417), 6 states have internal predecessors, (1417), 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) [2025-01-09 21:32:14,972 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:14,972 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 267 [2025-01-09 21:32:14,972 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:15,113 INFO L124 PetriNetUnfolderBase]: 69/814 cut-off events. [2025-01-09 21:32:15,113 INFO L125 PetriNetUnfolderBase]: For 31/36 co-relation queries the response was YES. [2025-01-09 21:32:15,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1168 conditions, 814 events. 69/814 cut-off events. For 31/36 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 4425 event pairs, 10 based on Foata normal form. 0/774 useless extension candidates. Maximal degree in co-relation 1031. Up to 49 conditions per place. [2025-01-09 21:32:15,120 INFO L140 encePairwiseOnDemand]: 260/267 looper letters, 26 selfloop transitions, 5 changer transitions 0/243 dead transitions. [2025-01-09 21:32:15,121 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 256 places, 243 transitions, 696 flow [2025-01-09 21:32:15,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:15,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1437 transitions. [2025-01-09 21:32:15,124 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.897003745318352 [2025-01-09 21:32:15,124 INFO L175 Difference]: Start difference. First operand has 261 places, 237 transitions, 606 flow. Second operand 6 states and 1437 transitions. [2025-01-09 21:32:15,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 256 places, 243 transitions, 696 flow [2025-01-09 21:32:15,127 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 243 places, 243 transitions, 652 flow, removed 7 selfloop flow, removed 13 redundant places. [2025-01-09 21:32:15,132 INFO L231 Difference]: Finished difference. Result has 243 places, 235 transitions, 568 flow [2025-01-09 21:32:15,132 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=558, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=235, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=568, PETRI_PLACES=243, PETRI_TRANSITIONS=235} [2025-01-09 21:32:15,134 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -3 predicate places. [2025-01-09 21:32:15,134 INFO L471 AbstractCegarLoop]: Abstraction has has 243 places, 235 transitions, 568 flow [2025-01-09 21:32:15,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.16666666666666) internal successors, (1417), 6 states have internal predecessors, (1417), 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) [2025-01-09 21:32:15,135 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-01-09 21:32:15,135 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:15,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-09 21:32:15,136 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 27 more)] === [2025-01-09 21:32:15,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 21:32:15,137 INFO L85 PathProgramCache]: Analyzing trace with hash -738977424, now seen corresponding path program 1 times [2025-01-09 21:32:15,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 21:32:15,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486325609] [2025-01-09 21:32:15,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 21:32:15,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 21:32:15,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-09 21:32:15,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-09 21:32:15,174 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 21:32:15,174 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 21:32:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-09 21:32:15,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 21:32:15,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486325609] [2025-01-09 21:32:15,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486325609] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 21:32:15,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 21:32:15,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-09 21:32:15,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856586979] [2025-01-09 21:32:15,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 21:32:15,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-09 21:32:15,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 21:32:15,646 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-09 21:32:15,646 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-09 21:32:16,072 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 267 [2025-01-09 21:32:16,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 243 places, 235 transitions, 568 flow. Second operand has 6 states, 6 states have (on average 236.33333333333334) internal successors, (1418), 6 states have internal predecessors, (1418), 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) [2025-01-09 21:32:16,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-01-09 21:32:16,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 267 [2025-01-09 21:32:16,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-01-09 21:32:16,221 INFO L124 PetriNetUnfolderBase]: 131/918 cut-off events. [2025-01-09 21:32:16,221 INFO L125 PetriNetUnfolderBase]: For 22/29 co-relation queries the response was YES. [2025-01-09 21:32:16,227 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1480 conditions, 918 events. 131/918 cut-off events. For 22/29 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 5950 event pairs, 25 based on Foata normal form. 0/882 useless extension candidates. Maximal degree in co-relation 1393. Up to 140 conditions per place. [2025-01-09 21:32:16,228 INFO L140 encePairwiseOnDemand]: 260/267 looper letters, 0 selfloop transitions, 0 changer transitions 241/241 dead transitions. [2025-01-09 21:32:16,228 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 241 transitions, 654 flow [2025-01-09 21:32:16,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-09 21:32:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-01-09 21:32:16,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1437 transitions. [2025-01-09 21:32:16,233 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.897003745318352 [2025-01-09 21:32:16,233 INFO L175 Difference]: Start difference. First operand has 243 places, 235 transitions, 568 flow. Second operand 6 states and 1437 transitions. [2025-01-09 21:32:16,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 241 transitions, 654 flow [2025-01-09 21:32:16,237 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 241 transitions, 644 flow, removed 0 selfloop flow, removed 5 redundant places. [2025-01-09 21:32:16,239 INFO L231 Difference]: Finished difference. Result has 241 places, 0 transitions, 0 flow [2025-01-09 21:32:16,239 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=554, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=233, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=233, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=241, PETRI_TRANSITIONS=0} [2025-01-09 21:32:16,240 INFO L279 CegarLoopForPetriNet]: 246 programPoint places, -5 predicate places. [2025-01-09 21:32:16,240 INFO L471 AbstractCegarLoop]: Abstraction has has 241 places, 0 transitions, 0 flow [2025-01-09 21:32:16,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 236.33333333333334) internal successors, (1418), 6 states have internal predecessors, (1418), 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) [2025-01-09 21:32:16,245 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (30 of 31 remaining) [2025-01-09 21:32:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (29 of 31 remaining) [2025-01-09 21:32:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (28 of 31 remaining) [2025-01-09 21:32:16,247 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (27 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (26 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (25 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 31 remaining) [2025-01-09 21:32:16,248 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (16 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (15 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (9 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (8 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (7 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (6 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 31 remaining) [2025-01-09 21:32:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 31 remaining) [2025-01-09 21:32:16,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-09 21:32:16,250 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 21:32:16,255 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-09 21:32:16,255 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-09 21:32:16,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.01 09:32:16 BasicIcfg [2025-01-09 21:32:16,264 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-09 21:32:16,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-01-09 21:32:16,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-01-09 21:32:16,264 INFO L274 PluginConnector]: Witness Printer initialized [2025-01-09 21:32:16,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 09:32:08" (3/4) ... [2025-01-09 21:32:16,267 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-01-09 21:32:16,269 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2025-01-09 21:32:16,270 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2025-01-09 21:32:16,270 INFO L362 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2025-01-09 21:32:16,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2025-01-09 21:32:16,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-01-09 21:32:16,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-01-09 21:32:16,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-01-09 21:32:16,355 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-01-09 21:32:16,355 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-01-09 21:32:16,355 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-01-09 21:32:16,356 INFO L158 Benchmark]: Toolchain (without parser) took 8362.30ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 159.1MB in the beginning and 167.1MB in the end (delta: -8.0MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2025-01-09 21:32:16,356 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:16,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.26ms. Allocated memory is still 201.3MB. Free memory was 158.8MB in the beginning and 146.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:32:16,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.55ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 144.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-01-09 21:32:16,357 INFO L158 Benchmark]: Boogie Preprocessor took 37.97ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:16,357 INFO L158 Benchmark]: RCFGBuilder took 602.51ms. Allocated memory is still 201.3MB. Free memory was 142.7MB in the beginning and 118.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-01-09 21:32:16,357 INFO L158 Benchmark]: TraceAbstraction took 7275.52ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 117.9MB in the beginning and 172.2MB in the end (delta: -54.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2025-01-09 21:32:16,358 INFO L158 Benchmark]: Witness Printer took 91.11ms. Allocated memory is still 293.6MB. Free memory was 172.2MB in the beginning and 167.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-01-09 21:32:16,360 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 201.3MB. Free memory is still 115.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.26ms. Allocated memory is still 201.3MB. Free memory was 158.8MB in the beginning and 146.1MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.55ms. Allocated memory is still 201.3MB. Free memory was 146.1MB in the beginning and 144.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.97ms. Allocated memory is still 201.3MB. Free memory was 144.5MB in the beginning and 142.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 602.51ms. Allocated memory is still 201.3MB. Free memory was 142.7MB in the beginning and 118.2MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 7275.52ms. Allocated memory was 201.3MB in the beginning and 293.6MB in the end (delta: 92.3MB). Free memory was 117.9MB in the beginning and 172.2MB in the end (delta: -54.3MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * Witness Printer took 91.11ms. Allocated memory is still 293.6MB. Free memory was 172.2MB in the beginning and 167.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 112]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 359 locations, 31 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 7.1s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1269 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 775 mSDsluCounter, 647 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 504 mSDsCounter, 340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2096 IncrementalHoareTripleChecker+Invalid, 2436 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 340 mSolverCounterUnsat, 143 mSDtfsCounter, 2096 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=618occurred in iteration=5, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 836 NumberOfCodeBlocks, 836 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 828 ConstructedInterpolants, 0 QuantifiedInterpolants, 1522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-09 21:32:16,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE