/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.reach_error.function false -i ../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:01:32,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:01:32,681 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:01:32,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:01:32,722 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:01:32,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:01:32,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:01:32,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:01:32,722 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:01:32,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:01:32,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:01:32,723 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:01:32,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:01:32,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false [2025-03-15 01:01:33,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:01:33,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:01:33,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:01:33,023 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:01:33,023 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:01:33,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2025-03-15 01:01:34,251 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c7b68ea/9ad1e415cbee448b84aa1f4e0f29cee4/FLAG4dcfec893 [2025-03-15 01:01:34,469 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:01:34,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-counter-queue2.wvr.c [2025-03-15 01:01:34,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c7b68ea/9ad1e415cbee448b84aa1f4e0f29cee4/FLAG4dcfec893 [2025-03-15 01:01:34,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7c7b68ea/9ad1e415cbee448b84aa1f4e0f29cee4 [2025-03-15 01:01:34,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:01:34,496 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:01:34,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:01:34,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:01:34,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:01:34,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b416abb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34, skipping insertion in model container [2025-03-15 01:01:34,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,518 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:01:34,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:01:34,675 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:01:34,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:01:34,703 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:01:34,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34 WrapperNode [2025-03-15 01:01:34,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:01:34,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:01:34,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:01:34,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:01:34,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,744 INFO L138 Inliner]: procedures = 25, calls = 27, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 178 [2025-03-15 01:01:34,744 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:01:34,745 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:01:34,745 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:01:34,745 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:01:34,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,756 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,766 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:01:34,776 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:01:34,776 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:01:34,776 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:01:34,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (1/1) ... [2025-03-15 01:01:34,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:01:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:01:34,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:01:34,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:01:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:01:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-15 01:01:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-15 01:01:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-15 01:01:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-15 01:01:34,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:01:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:01:34,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:01:34,829 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:01:34,897 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:01:34,899 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:01:35,185 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:01:35,185 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:01:35,348 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:01:35,348 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-03-15 01:01:35,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:01:35 BoogieIcfgContainer [2025-03-15 01:01:35,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:01:35,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:01:35,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:01:35,356 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:01:35,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:01:34" (1/3) ... [2025-03-15 01:01:35,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34365172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:01:35, skipping insertion in model container [2025-03-15 01:01:35,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:01:34" (2/3) ... [2025-03-15 01:01:35,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34365172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:01:35, skipping insertion in model container [2025-03-15 01:01:35,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:01:35" (3/3) ... [2025-03-15 01:01:35,358 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-bad-counter-queue2.wvr.c [2025-03-15 01:01:35,370 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:01:35,372 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-counter-queue2.wvr.c that has 3 procedures, 144 locations, 1 initial locations, 3 loop locations, and 15 error locations. [2025-03-15 01:01:35,373 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:01:35,429 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-03-15 01:01:35,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:01:35,477 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=All, 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;@4e44a1f2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:01:35,478 INFO L334 AbstractCegarLoop]: Starting to check reachability of 27 error locations. [2025-03-15 01:01:35,498 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:01:35,499 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-03-15 01:01:35,501 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:01:35,501 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:35,502 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:01:35,502 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-15 01:01:35,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:35,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1280612821, now seen corresponding path program 1 times [2025-03-15 01:01:35,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:35,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633387901] [2025-03-15 01:01:35,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:35,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:35,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:01:35,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:35,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633387901] [2025-03-15 01:01:35,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633387901] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:35,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:35,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:35,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732603985] [2025-03-15 01:01:35,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:35,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:35,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:35,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:35,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:35,674 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 151 [2025-03-15 01:01:35,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 151 transitions, 316 flow. Second operand has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:35,679 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:35,679 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 151 [2025-03-15 01:01:35,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:35,817 INFO L124 PetriNetUnfolderBase]: 37/242 cut-off events. [2025-03-15 01:01:35,817 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2025-03-15 01:01:35,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 342 conditions, 242 events. 37/242 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 683 event pairs, 24 based on Foata normal form. 4/209 useless extension candidates. Maximal degree in co-relation 201. Up to 77 conditions per place. [2025-03-15 01:01:35,829 INFO L140 encePairwiseOnDemand]: 134/151 looper letters, 18 selfloop transitions, 2 changer transitions 11/128 dead transitions. [2025-03-15 01:01:35,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 128 transitions, 308 flow [2025-03-15 01:01:35,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:35,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2025-03-15 01:01:35,844 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8388520971302428 [2025-03-15 01:01:35,848 INFO L298 CegarLoopForPetriNet]: 150 programPoint places, -16 predicate places. [2025-03-15 01:01:35,848 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 128 transitions, 308 flow [2025-03-15 01:01:35,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.33333333333333) internal successors, (349), 3 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:35,849 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:35,849 INFO L221 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] [2025-03-15 01:01:35,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:01:35,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-15 01:01:35,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:35,851 INFO L85 PathProgramCache]: Analyzing trace with hash -2035445999, now seen corresponding path program 1 times [2025-03-15 01:01:35,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:35,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926846976] [2025-03-15 01:01:35,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:35,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:35,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:01:35,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:35,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926846976] [2025-03-15 01:01:35,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926846976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:35,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:35,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:35,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480295400] [2025-03-15 01:01:35,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:35,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:35,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:35,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:35,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:35,899 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 119 out of 151 [2025-03-15 01:01:35,900 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 128 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:35,900 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:35,900 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 119 of 151 [2025-03-15 01:01:35,900 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:35,956 INFO L124 PetriNetUnfolderBase]: 26/211 cut-off events. [2025-03-15 01:01:35,956 INFO L125 PetriNetUnfolderBase]: For 60/74 co-relation queries the response was YES. [2025-03-15 01:01:35,957 INFO L83 FinitePrefix]: Finished finitePrefix Result has 338 conditions, 211 events. 26/211 cut-off events. For 60/74 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 493 event pairs, 15 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 189. Up to 54 conditions per place. [2025-03-15 01:01:35,958 INFO L140 encePairwiseOnDemand]: 147/151 looper letters, 13 selfloop transitions, 1 changer transitions 11/125 dead transitions. [2025-03-15 01:01:35,958 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 125 transitions, 324 flow [2025-03-15 01:01:35,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:35,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:35,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2025-03-15 01:01:35,964 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.82560706401766 [2025-03-15 01:01:35,964 INFO L298 CegarLoopForPetriNet]: 150 programPoint places, -17 predicate places. [2025-03-15 01:01:35,964 INFO L471 AbstractCegarLoop]: Abstraction has has 133 places, 125 transitions, 324 flow [2025-03-15 01:01:35,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 120.33333333333333) internal successors, (361), 3 states have internal predecessors, (361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:35,965 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:35,965 INFO L221 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] [2025-03-15 01:01:35,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:01:35,965 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-15 01:01:35,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1161456506, now seen corresponding path program 1 times [2025-03-15 01:01:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618939424] [2025-03-15 01:01:35,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:01:36,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:36,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618939424] [2025-03-15 01:01:36,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618939424] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:36,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:36,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:36,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047494413] [2025-03-15 01:01:36,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:36,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:36,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:36,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:36,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:36,049 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 151 [2025-03-15 01:01:36,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 125 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:36,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 151 [2025-03-15 01:01:36,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:36,113 INFO L124 PetriNetUnfolderBase]: 26/210 cut-off events. [2025-03-15 01:01:36,113 INFO L125 PetriNetUnfolderBase]: For 118/135 co-relation queries the response was YES. [2025-03-15 01:01:36,114 INFO L83 FinitePrefix]: Finished finitePrefix Result has 363 conditions, 210 events. 26/210 cut-off events. For 118/135 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 489 event pairs, 15 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 202. Up to 54 conditions per place. [2025-03-15 01:01:36,116 INFO L140 encePairwiseOnDemand]: 148/151 looper letters, 9 selfloop transitions, 2 changer transitions 11/124 dead transitions. [2025-03-15 01:01:36,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 124 transitions, 344 flow [2025-03-15 01:01:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2025-03-15 01:01:36,118 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.847682119205298 [2025-03-15 01:01:36,119 INFO L298 CegarLoopForPetriNet]: 150 programPoint places, -16 predicate places. [2025-03-15 01:01:36,119 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 124 transitions, 344 flow [2025-03-15 01:01:36,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,119 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:36,119 INFO L221 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] [2025-03-15 01:01:36,119 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:01:36,119 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-15 01:01:36,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:36,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1990119922, now seen corresponding path program 1 times [2025-03-15 01:01:36,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:36,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141019955] [2025-03-15 01:01:36,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:36,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:36,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:01:36,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:36,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141019955] [2025-03-15 01:01:36,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141019955] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:36,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:36,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:01:36,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084017311] [2025-03-15 01:01:36,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:36,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:01:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:36,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:01:36,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:01:36,612 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 151 [2025-03-15 01:01:36,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 124 transitions, 344 flow. Second operand has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:36,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 151 [2025-03-15 01:01:36,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:36,694 INFO L124 PetriNetUnfolderBase]: 26/209 cut-off events. [2025-03-15 01:01:36,694 INFO L125 PetriNetUnfolderBase]: For 190/209 co-relation queries the response was YES. [2025-03-15 01:01:36,695 INFO L83 FinitePrefix]: Finished finitePrefix Result has 401 conditions, 209 events. 26/209 cut-off events. For 190/209 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 488 event pairs, 15 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 215. Up to 54 conditions per place. [2025-03-15 01:01:36,698 INFO L140 encePairwiseOnDemand]: 145/151 looper letters, 19 selfloop transitions, 5 changer transitions 11/123 dead transitions. [2025-03-15 01:01:36,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 123 transitions, 390 flow [2025-03-15 01:01:36,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:01:36,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:01:36,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 697 transitions. [2025-03-15 01:01:36,700 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7693156732891833 [2025-03-15 01:01:36,700 INFO L298 CegarLoopForPetriNet]: 150 programPoint places, -12 predicate places. [2025-03-15 01:01:36,700 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 123 transitions, 390 flow [2025-03-15 01:01:36,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.83333333333333) internal successors, (683), 6 states have internal predecessors, (683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,701 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:01:36,701 INFO L221 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] [2025-03-15 01:01:36,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:01:36,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2025-03-15 01:01:36,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:01:36,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1405177614, now seen corresponding path program 1 times [2025-03-15 01:01:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:01:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570769195] [2025-03-15 01:01:36,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:01:36,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:01:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:01:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:01:36,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:01:36,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570769195] [2025-03-15 01:01:36,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570769195] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:01:36,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:01:36,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:01:36,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244630215] [2025-03-15 01:01:36,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:01:36,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:01:36,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:01:36,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:01:36,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:01:36,761 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 151 [2025-03-15 01:01:36,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 123 transitions, 390 flow. Second operand has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:01:36,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 151 [2025-03-15 01:01:36,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:01:36,807 INFO L124 PetriNetUnfolderBase]: 26/208 cut-off events. [2025-03-15 01:01:36,807 INFO L125 PetriNetUnfolderBase]: For 277/298 co-relation queries the response was YES. [2025-03-15 01:01:36,808 INFO L83 FinitePrefix]: Finished finitePrefix Result has 423 conditions, 208 events. 26/208 cut-off events. For 277/298 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 484 event pairs, 15 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 228. Up to 54 conditions per place. [2025-03-15 01:01:36,809 INFO L140 encePairwiseOnDemand]: 149/151 looper letters, 0 selfloop transitions, 0 changer transitions 122/122 dead transitions. [2025-03-15 01:01:36,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 122 transitions, 404 flow [2025-03-15 01:01:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:01:36,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:01:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2025-03-15 01:01:36,811 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8675496688741722 [2025-03-15 01:01:36,812 INFO L298 CegarLoopForPetriNet]: 150 programPoint places, -11 predicate places. [2025-03-15 01:01:36,812 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 122 transitions, 404 flow [2025-03-15 01:01:36,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 130.0) internal successors, (390), 3 states have internal predecessors, (390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:01:36,821 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/popl20-bad-counter-queue2.wvr.c_petrified1_AllErrorsAtOnce [2025-03-15 01:01:36,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (26 of 27 remaining) [2025-03-15 01:01:36,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (25 of 27 remaining) [2025-03-15 01:01:36,847 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (24 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (23 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (22 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (20 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (19 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (18 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (17 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (12 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (9 of 27 remaining) [2025-03-15 01:01:36,848 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (8 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (7 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (6 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (5 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (4 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (3 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (2 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (1 of 27 remaining) [2025-03-15 01:01:36,849 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (0 of 27 remaining) [2025-03-15 01:01:36,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:01:36,849 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:01:36,855 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:01:36,855 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:01:36,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:01:36 BasicIcfg [2025-03-15 01:01:36,861 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:01:36,862 INFO L158 Benchmark]: Toolchain (without parser) took 2366.28ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 44.6MB in the beginning and 50.3MB in the end (delta: -5.7MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,862 INFO L158 Benchmark]: CDTParser took 0.82ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:01:36,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.31ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 32.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.78ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,863 INFO L158 Benchmark]: Boogie Preprocessor took 30.28ms. Allocated memory is still 71.3MB. Free memory was 30.2MB in the beginning and 28.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:01:36,863 INFO L158 Benchmark]: RCFGBuilder took 573.56ms. Allocated memory is still 71.3MB. Free memory was 28.7MB in the beginning and 40.5MB in the end (delta: -11.8MB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,863 INFO L158 Benchmark]: TraceAbstraction took 1509.17ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 39.4MB in the beginning and 50.3MB in the end (delta: -10.8MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. [2025-03-15 01:01:36,865 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 207.31ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 32.2MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.78ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.28ms. Allocated memory is still 71.3MB. Free memory was 30.2MB in the beginning and 28.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 573.56ms. Allocated memory is still 71.3MB. Free memory was 28.7MB in the beginning and 40.5MB in the end (delta: -11.8MB). Peak memory consumption was 18.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1509.17ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 39.4MB in the beginning and 50.3MB in the end (delta: -10.8MB). Peak memory consumption was 21.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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 5 procedures, 182 locations, 27 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: 1.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 37 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=404occurred in iteration=5, InterpolantAutomatonStates: 18, 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, 0.6s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:01:36,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...