/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/goblint-regression/13-privatized_25-struct_nr_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:41:58,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:41:58,995 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 00:41:59,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:41:59,037 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:41:59,037 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:41:59,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:41:59,037 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:41:59,037 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:41:59,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:41:59,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:41:59,038 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:41:59,039 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:41:59,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:41:59,039 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 00:41:59,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:41:59,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:41:59,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:41:59,309 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:41:59,309 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:41:59,311 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2025-03-15 00:42:00,479 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00747c3aa/300e3e2fbb2f4128bb6d4d4713adba48/FLAG0918f2699 [2025-03-15 00:42:00,718 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:42:00,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_25-struct_nr_true.i [2025-03-15 00:42:00,732 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00747c3aa/300e3e2fbb2f4128bb6d4d4713adba48/FLAG0918f2699 [2025-03-15 00:42:00,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00747c3aa/300e3e2fbb2f4128bb6d4d4713adba48 [2025-03-15 00:42:00,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:42:00,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:42:00,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:00,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:42:00,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:42:00,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:00" (1/1) ... [2025-03-15 00:42:00,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38e58c21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:00, skipping insertion in model container [2025-03-15 00:42:00,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:42:00" (1/1) ... [2025-03-15 00:42:00,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:42:01,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:01,045 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:42:01,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:42:01,127 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:42:01,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01 WrapperNode [2025-03-15 00:42:01,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:42:01,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:01,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:42:01,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:42:01,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,146 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,161 INFO L138 Inliner]: procedures = 162, calls = 22, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 111 [2025-03-15 00:42:01,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:42:01,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:42:01,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:42:01,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:42:01,167 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,167 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,169 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,170 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,181 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:42:01,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:42:01,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:42:01,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:42:01,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (1/1) ... [2025-03-15 00:42:01,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:42:01,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:42:01,209 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 00:42:01,221 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 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:42:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:42:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:42:01,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:42:01,235 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 00:42:01,311 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:42:01,312 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:42:01,462 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:42:01,463 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:42:01,486 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:42:01,486 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:42:01,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:01 BoogieIcfgContainer [2025-03-15 00:42:01,487 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:42:01,490 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:42:01,490 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:42:01,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:42:01,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:42:00" (1/3) ... [2025-03-15 00:42:01,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282eaec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:01, skipping insertion in model container [2025-03-15 00:42:01,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:42:01" (2/3) ... [2025-03-15 00:42:01,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@282eaec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:42:01, skipping insertion in model container [2025-03-15 00:42:01,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:42:01" (3/3) ... [2025-03-15 00:42:01,496 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_25-struct_nr_true.i [2025-03-15 00:42:01,507 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:42:01,509 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_25-struct_nr_true.i that has 2 procedures, 133 locations, 1 initial locations, 0 loop locations, and 10 error locations. [2025-03-15 00:42:01,509 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:42:01,561 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 00:42:01,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:42:01,607 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;@2c938021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:42:01,607 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 00:42:01,623 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:42:01,623 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2025-03-15 00:42:01,624 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:42:01,624 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:01,626 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 00:42:01,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:01,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:01,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1172017329, now seen corresponding path program 1 times [2025-03-15 00:42:01,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:01,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5253369] [2025-03-15 00:42:01,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:01,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:01,787 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 00:42:01,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:01,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5253369] [2025-03-15 00:42:01,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5253369] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:01,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:01,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:01,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830208468] [2025-03-15 00:42:01,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:01,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:01,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:01,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:01,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:01,825 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 140 [2025-03-15 00:42:01,830 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 140 transitions, 287 flow. Second operand has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 00:42:01,830 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:01,830 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 140 [2025-03-15 00:42:01,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,127 INFO L124 PetriNetUnfolderBase]: 258/1255 cut-off events. [2025-03-15 00:42:02,127 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 00:42:02,135 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1836 conditions, 1255 events. 258/1255 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 8526 event pairs, 103 based on Foata normal form. 126/1197 useless extension candidates. Maximal degree in co-relation 1789. Up to 305 conditions per place. [2025-03-15 00:42:02,142 INFO L140 encePairwiseOnDemand]: 111/140 looper letters, 45 selfloop transitions, 15 changer transitions 8/148 dead transitions. [2025-03-15 00:42:02,143 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 148 transitions, 424 flow [2025-03-15 00:42:02,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2025-03-15 00:42:02,153 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.85 [2025-03-15 00:42:02,155 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -8 predicate places. [2025-03-15 00:42:02,155 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 148 transitions, 424 flow [2025-03-15 00:42:02,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.66666666666667) internal successors, (278), 3 states have internal predecessors, (278), 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 00:42:02,155 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:02,156 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] [2025-03-15 00:42:02,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:42:02,156 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:02,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:02,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1485905498, now seen corresponding path program 1 times [2025-03-15 00:42:02,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:02,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823080551] [2025-03-15 00:42:02,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:02,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:02,239 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 00:42:02,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823080551] [2025-03-15 00:42:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823080551] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:02,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:02,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458753425] [2025-03-15 00:42:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:02,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:02,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:02,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:02,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:02,244 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 140 [2025-03-15 00:42:02,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 148 transitions, 424 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 00:42:02,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:02,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 140 [2025-03-15 00:42:02,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,444 INFO L124 PetriNetUnfolderBase]: 304/1396 cut-off events. [2025-03-15 00:42:02,444 INFO L125 PetriNetUnfolderBase]: For 160/244 co-relation queries the response was YES. [2025-03-15 00:42:02,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2699 conditions, 1396 events. 304/1396 cut-off events. For 160/244 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 9708 event pairs, 95 based on Foata normal form. 2/1215 useless extension candidates. Maximal degree in co-relation 2645. Up to 605 conditions per place. [2025-03-15 00:42:02,451 INFO L140 encePairwiseOnDemand]: 132/140 looper letters, 73 selfloop transitions, 11 changer transitions 8/169 dead transitions. [2025-03-15 00:42:02,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 169 transitions, 678 flow [2025-03-15 00:42:02,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 320 transitions. [2025-03-15 00:42:02,453 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2025-03-15 00:42:02,454 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -6 predicate places. [2025-03-15 00:42:02,454 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 169 transitions, 678 flow [2025-03-15 00:42:02,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 00:42:02,454 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:02,454 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] [2025-03-15 00:42:02,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:42:02,454 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:02,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:02,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1190559351, now seen corresponding path program 1 times [2025-03-15 00:42:02,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:02,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633792934] [2025-03-15 00:42:02,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:02,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:02,609 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 00:42:02,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:02,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633792934] [2025-03-15 00:42:02,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633792934] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:02,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:02,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:42:02,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42777499] [2025-03-15 00:42:02,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:02,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:02,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:02,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:02,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:02,611 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 140 [2025-03-15 00:42:02,611 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 169 transitions, 678 flow. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 00:42:02,611 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:02,611 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 140 [2025-03-15 00:42:02,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,649 INFO L124 PetriNetUnfolderBase]: 1/188 cut-off events. [2025-03-15 00:42:02,649 INFO L125 PetriNetUnfolderBase]: For 76/76 co-relation queries the response was YES. [2025-03-15 00:42:02,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 188 events. 1/188 cut-off events. For 76/76 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 226 event pairs, 0 based on Foata normal form. 25/200 useless extension candidates. Maximal degree in co-relation 263. Up to 57 conditions per place. [2025-03-15 00:42:02,650 INFO L140 encePairwiseOnDemand]: 136/140 looper letters, 7 selfloop transitions, 6 changer transitions 17/120 dead transitions. [2025-03-15 00:42:02,650 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 120 transitions, 414 flow [2025-03-15 00:42:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 362 transitions. [2025-03-15 00:42:02,651 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.861904761904762 [2025-03-15 00:42:02,652 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -10 predicate places. [2025-03-15 00:42:02,652 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 120 transitions, 414 flow [2025-03-15 00:42:02,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 00:42:02,652 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:02,652 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] [2025-03-15 00:42:02,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:42:02,652 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:02,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:02,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1970349623, now seen corresponding path program 1 times [2025-03-15 00:42:02,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:02,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171821253] [2025-03-15 00:42:02,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:02,695 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 00:42:02,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:02,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171821253] [2025-03-15 00:42:02,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171821253] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:02,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:02,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:02,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441794523] [2025-03-15 00:42:02,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:02,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:02,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:02,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:02,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:02,696 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 140 [2025-03-15 00:42:02,697 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 120 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 00:42:02,697 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:02,697 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 140 [2025-03-15 00:42:02,697 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,744 INFO L124 PetriNetUnfolderBase]: 1/186 cut-off events. [2025-03-15 00:42:02,744 INFO L125 PetriNetUnfolderBase]: For 102/102 co-relation queries the response was YES. [2025-03-15 00:42:02,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 186 events. 1/186 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 220 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 309. Up to 55 conditions per place. [2025-03-15 00:42:02,745 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 31 selfloop transitions, 2 changer transitions 17/119 dead transitions. [2025-03-15 00:42:02,745 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 476 flow [2025-03-15 00:42:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 301 transitions. [2025-03-15 00:42:02,747 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2025-03-15 00:42:02,747 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -9 predicate places. [2025-03-15 00:42:02,747 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 119 transitions, 476 flow [2025-03-15 00:42:02,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 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 00:42:02,747 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:02,748 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] [2025-03-15 00:42:02,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:42:02,748 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:02,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:02,748 INFO L85 PathProgramCache]: Analyzing trace with hash 426236466, now seen corresponding path program 1 times [2025-03-15 00:42:02,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:02,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455256788] [2025-03-15 00:42:02,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:02,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:02,801 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 00:42:02,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:02,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455256788] [2025-03-15 00:42:02,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455256788] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:02,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:02,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:02,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592873184] [2025-03-15 00:42:02,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:02,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:02,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:02,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:02,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:02,802 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 140 [2025-03-15 00:42:02,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 476 flow. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:42:02,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:02,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 140 [2025-03-15 00:42:02,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,843 INFO L124 PetriNetUnfolderBase]: 1/184 cut-off events. [2025-03-15 00:42:02,843 INFO L125 PetriNetUnfolderBase]: For 174/174 co-relation queries the response was YES. [2025-03-15 00:42:02,843 INFO L83 FinitePrefix]: Finished finitePrefix Result has 426 conditions, 184 events. 1/184 cut-off events. For 174/174 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 212 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 351. Up to 53 conditions per place. [2025-03-15 00:42:02,844 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 27 selfloop transitions, 2 changer transitions 25/118 dead transitions. [2025-03-15 00:42:02,844 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 118 transitions, 538 flow [2025-03-15 00:42:02,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 296 transitions. [2025-03-15 00:42:02,845 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7047619047619048 [2025-03-15 00:42:02,845 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -8 predicate places. [2025-03-15 00:42:02,845 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 118 transitions, 538 flow [2025-03-15 00:42:02,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 00:42:02,846 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:42:02,846 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] [2025-03-15 00:42:02,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:42:02,846 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 12 more)] === [2025-03-15 00:42:02,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:42:02,846 INFO L85 PathProgramCache]: Analyzing trace with hash -708456007, now seen corresponding path program 1 times [2025-03-15 00:42:02,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:42:02,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521188751] [2025-03-15 00:42:02,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:42:02,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:42:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:42:02,874 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 00:42:02,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:42:02,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521188751] [2025-03-15 00:42:02,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521188751] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:42:02,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:42:02,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:42:02,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414069020] [2025-03-15 00:42:02,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:42:02,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:42:02,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:42:02,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:42:02,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:42:02,876 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 140 [2025-03-15 00:42:02,876 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 118 transitions, 538 flow. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 00:42:02,876 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:42:02,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 140 [2025-03-15 00:42:02,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:42:02,917 INFO L124 PetriNetUnfolderBase]: 1/182 cut-off events. [2025-03-15 00:42:02,917 INFO L125 PetriNetUnfolderBase]: For 263/263 co-relation queries the response was YES. [2025-03-15 00:42:02,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 182 events. 1/182 cut-off events. For 263/263 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 206 event pairs, 0 based on Foata normal form. 0/175 useless extension candidates. Maximal degree in co-relation 389. Up to 51 conditions per place. [2025-03-15 00:42:02,918 INFO L140 encePairwiseOnDemand]: 137/140 looper letters, 0 selfloop transitions, 0 changer transitions 117/117 dead transitions. [2025-03-15 00:42:02,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 117 transitions, 592 flow [2025-03-15 00:42:02,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:42:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:42:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 299 transitions. [2025-03-15 00:42:02,919 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7119047619047619 [2025-03-15 00:42:02,919 INFO L298 CegarLoopForPetriNet]: 136 programPoint places, -7 predicate places. [2025-03-15 00:42:02,919 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 117 transitions, 592 flow [2025-03-15 00:42:02,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 00:42:02,924 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_25-struct_nr_true.i_petrified1_AllErrorsAtOnce [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (14 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (13 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (12 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (11 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (10 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (9 of 15 remaining) [2025-03-15 00:42:02,937 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 15 remaining) [2025-03-15 00:42:02,938 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 15 remaining) [2025-03-15 00:42:02,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 00:42:02,938 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 00:42:02,942 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:42:02,942 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:42:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:42:02 BasicIcfg [2025-03-15 00:42:02,947 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:42:02,947 INFO L158 Benchmark]: Toolchain (without parser) took 2196.28ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.4MB in the beginning and 27.6MB in the end (delta: 15.8MB). Peak memory consumption was 29.0MB. Max. memory is 8.0GB. [2025-03-15 00:42:02,947 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:02,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.77ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 23.9MB in the end (delta: 19.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:42:02,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.55ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:42:02,948 INFO L158 Benchmark]: Boogie Preprocessor took 19.03ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:42:02,948 INFO L158 Benchmark]: RCFGBuilder took 304.35ms. Allocated memory is still 71.3MB. Free memory was 20.9MB in the beginning and 32.1MB in the end (delta: -11.2MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 00:42:02,948 INFO L158 Benchmark]: TraceAbstraction took 1456.82ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 27.6MB in the end (delta: 3.5MB). Peak memory consumption was 21.8MB. Max. memory is 8.0GB. [2025-03-15 00:42:02,950 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.77ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 23.9MB in the end (delta: 19.3MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.55ms. Allocated memory is still 71.3MB. Free memory was 23.9MB in the beginning and 22.1MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.03ms. Allocated memory is still 71.3MB. Free memory was 22.1MB in the beginning and 21.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 304.35ms. Allocated memory is still 71.3MB. Free memory was 20.9MB in the beginning and 32.1MB in the end (delta: -11.2MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * TraceAbstraction took 1456.82ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 31.1MB in the beginning and 27.6MB in the end (delta: 3.5MB). Peak memory consumption was 21.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 689]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 692]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 693]: 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 3 procedures, 184 locations, 15 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: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 133 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 133 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=678occurred in iteration=2, 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, 0.3s InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 260 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:42:02,963 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...