/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/04-mutex_22-deref_read.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 00:25:12,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 00:25:12,496 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 00:25:12,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 00:25:12,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 00:25:12,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 00:25:12,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 00:25:12,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 00:25:12,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 00:25:12,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 00:25:12,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 00:25:12,557 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 00:25:12,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 00:25:12,558 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 00:25:12,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 00:25:12,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 00:25:12,558 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 00:25:12,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:25:12,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 00:25:12,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 00:25:12,559 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 00:25:12,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 00:25:12,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 00:25:12,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 00:25:12,846 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 00:25:12,846 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 00:25:12,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2025-03-15 00:25:14,002 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9115e93b/e9b43cc3bf984cd9a4070b2584d83a4d/FLAG7d35b775a [2025-03-15 00:25:14,275 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 00:25:14,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2025-03-15 00:25:14,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9115e93b/e9b43cc3bf984cd9a4070b2584d83a4d/FLAG7d35b775a [2025-03-15 00:25:14,585 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9115e93b/e9b43cc3bf984cd9a4070b2584d83a4d [2025-03-15 00:25:14,586 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 00:25:14,587 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 00:25:14,588 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 00:25:14,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 00:25:14,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 00:25:14,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0e42bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14, skipping insertion in model container [2025-03-15 00:25:14,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,613 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 00:25:14,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:25:14,800 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 00:25:14,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 00:25:14,857 INFO L204 MainTranslator]: Completed translation [2025-03-15 00:25:14,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14 WrapperNode [2025-03-15 00:25:14,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 00:25:14,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 00:25:14,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 00:25:14,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 00:25:14,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,891 INFO L138 Inliner]: procedures = 162, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2025-03-15 00:25:14,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 00:25:14,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 00:25:14,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 00:25:14,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 00:25:14,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,907 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 00:25:14,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 00:25:14,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 00:25:14,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 00:25:14,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (1/1) ... [2025-03-15 00:25:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 00:25:14,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 00:25:14,949 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 00:25:14,954 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 00:25:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 00:25:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 00:25:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 00:25:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 00:25:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 00:25:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 00:25:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 00:25:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 00:25:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 00:25:14,980 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 00:25:15,059 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 00:25:15,060 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 00:25:15,183 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 00:25:15,183 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 00:25:15,205 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 00:25:15,205 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 00:25:15,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:25:15 BoogieIcfgContainer [2025-03-15 00:25:15,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 00:25:15,208 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 00:25:15,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 00:25:15,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 00:25:15,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 12:25:14" (1/3) ... [2025-03-15 00:25:15,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bbe84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:25:15, skipping insertion in model container [2025-03-15 00:25:15,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 12:25:14" (2/3) ... [2025-03-15 00:25:15,214 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bbe84a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 12:25:15, skipping insertion in model container [2025-03-15 00:25:15,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 12:25:15" (3/3) ... [2025-03-15 00:25:15,215 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2025-03-15 00:25:15,229 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 00:25:15,230 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_22-deref_read.i that has 2 procedures, 73 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 00:25:15,230 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 00:25:15,277 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 00:25:15,303 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 00:25:15,312 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;@34b37e05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 00:25:15,313 INFO L334 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-03-15 00:25:15,334 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 00:25:15,335 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events. [2025-03-15 00:25:15,336 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 00:25:15,336 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:15,337 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] [2025-03-15 00:25:15,337 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:15,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:15,341 INFO L85 PathProgramCache]: Analyzing trace with hash 196604330, now seen corresponding path program 1 times [2025-03-15 00:25:15,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:15,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811024635] [2025-03-15 00:25:15,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:15,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:15,521 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 00:25:15,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:15,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811024635] [2025-03-15 00:25:15,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811024635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:15,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:15,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:15,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18320427] [2025-03-15 00:25:15,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:15,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:15,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:15,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:15,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:15,551 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 72 [2025-03-15 00:25:15,554 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 72 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 00:25:15,555 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:15,555 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 72 [2025-03-15 00:25:15,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:15,626 INFO L124 PetriNetUnfolderBase]: 16/173 cut-off events. [2025-03-15 00:25:15,626 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-03-15 00:25:15,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 219 conditions, 173 events. 16/173 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 551 event pairs, 9 based on Foata normal form. 0/157 useless extension candidates. Maximal degree in co-relation 192. Up to 39 conditions per place. [2025-03-15 00:25:15,635 INFO L140 encePairwiseOnDemand]: 68/72 looper letters, 10 selfloop transitions, 2 changer transitions 0/72 dead transitions. [2025-03-15 00:25:15,635 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 72 transitions, 171 flow [2025-03-15 00:25:15,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:15,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 197 transitions. [2025-03-15 00:25:15,643 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9120370370370371 [2025-03-15 00:25:15,645 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, -1 predicate places. [2025-03-15 00:25:15,645 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 72 transitions, 171 flow [2025-03-15 00:25:15,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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 00:25:15,647 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:15,647 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] [2025-03-15 00:25:15,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 00:25:15,647 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:15,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:15,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1510144273, now seen corresponding path program 1 times [2025-03-15 00:25:15,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:15,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717726317] [2025-03-15 00:25:15,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:15,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:15,702 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 00:25:15,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:15,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717726317] [2025-03-15 00:25:15,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717726317] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:15,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:15,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:15,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122517780] [2025-03-15 00:25:15,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:15,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:15,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:15,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:15,706 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 57 out of 72 [2025-03-15 00:25:15,706 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 72 transitions, 171 flow. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 00:25:15,706 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:15,706 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 57 of 72 [2025-03-15 00:25:15,706 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:15,763 INFO L124 PetriNetUnfolderBase]: 32/205 cut-off events. [2025-03-15 00:25:15,763 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2025-03-15 00:25:15,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 205 events. 32/205 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 699 event pairs, 15 based on Foata normal form. 0/182 useless extension candidates. Maximal degree in co-relation 300. Up to 55 conditions per place. [2025-03-15 00:25:15,768 INFO L140 encePairwiseOnDemand]: 69/72 looper letters, 15 selfloop transitions, 2 changer transitions 0/73 dead transitions. [2025-03-15 00:25:15,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 73 transitions, 211 flow [2025-03-15 00:25:15,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:15,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:15,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 188 transitions. [2025-03-15 00:25:15,770 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8703703703703703 [2025-03-15 00:25:15,770 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, 0 predicate places. [2025-03-15 00:25:15,770 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 73 transitions, 211 flow [2025-03-15 00:25:15,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 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 00:25:15,771 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:15,771 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] [2025-03-15 00:25:15,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 00:25:15,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:15,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:15,771 INFO L85 PathProgramCache]: Analyzing trace with hash 866752651, now seen corresponding path program 1 times [2025-03-15 00:25:15,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:15,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530884851] [2025-03-15 00:25:15,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:15,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:16,164 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 00:25:16,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:16,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530884851] [2025-03-15 00:25:16,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530884851] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:16,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:16,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:25:16,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386111541] [2025-03-15 00:25:16,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:16,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:25:16,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:16,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:25:16,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:25:16,166 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 50 out of 72 [2025-03-15 00:25:16,166 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 73 transitions, 211 flow. Second operand has 6 states, 6 states have (on average 51.666666666666664) internal successors, (310), 6 states have internal predecessors, (310), 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 00:25:16,166 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:16,166 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 50 of 72 [2025-03-15 00:25:16,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:16,387 INFO L124 PetriNetUnfolderBase]: 154/461 cut-off events. [2025-03-15 00:25:16,388 INFO L125 PetriNetUnfolderBase]: For 174/182 co-relation queries the response was YES. [2025-03-15 00:25:16,389 INFO L83 FinitePrefix]: Finished finitePrefix Result has 987 conditions, 461 events. 154/461 cut-off events. For 174/182 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2131 event pairs, 52 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 954. Up to 228 conditions per place. [2025-03-15 00:25:16,391 INFO L140 encePairwiseOnDemand]: 61/72 looper letters, 36 selfloop transitions, 22 changer transitions 8/114 dead transitions. [2025-03-15 00:25:16,391 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 114 transitions, 457 flow [2025-03-15 00:25:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:25:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:25:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 364 transitions. [2025-03-15 00:25:16,392 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8425925925925926 [2025-03-15 00:25:16,393 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, 5 predicate places. [2025-03-15 00:25:16,393 INFO L471 AbstractCegarLoop]: Abstraction has has 81 places, 114 transitions, 457 flow [2025-03-15 00:25:16,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 51.666666666666664) internal successors, (310), 6 states have internal predecessors, (310), 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 00:25:16,393 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:16,393 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] [2025-03-15 00:25:16,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 00:25:16,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:16,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:16,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1839668097, now seen corresponding path program 1 times [2025-03-15 00:25:16,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:16,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94981755] [2025-03-15 00:25:16,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:16,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:16,417 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 00:25:16,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:16,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94981755] [2025-03-15 00:25:16,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94981755] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:16,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:16,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 00:25:16,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102791281] [2025-03-15 00:25:16,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:16,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:16,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:16,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:16,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:16,422 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 72 [2025-03-15 00:25:16,422 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 114 transitions, 457 flow. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 00:25:16,422 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:16,422 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 72 [2025-03-15 00:25:16,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:16,482 INFO L124 PetriNetUnfolderBase]: 152/456 cut-off events. [2025-03-15 00:25:16,482 INFO L125 PetriNetUnfolderBase]: For 355/403 co-relation queries the response was YES. [2025-03-15 00:25:16,484 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1059 conditions, 456 events. 152/456 cut-off events. For 355/403 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2090 event pairs, 41 based on Foata normal form. 0/418 useless extension candidates. Maximal degree in co-relation 1024. Up to 226 conditions per place. [2025-03-15 00:25:16,486 INFO L140 encePairwiseOnDemand]: 70/72 looper letters, 17 selfloop transitions, 1 changer transitions 8/115 dead transitions. [2025-03-15 00:25:16,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 115 transitions, 513 flow [2025-03-15 00:25:16,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:16,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:16,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 195 transitions. [2025-03-15 00:25:16,487 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9027777777777778 [2025-03-15 00:25:16,488 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, 6 predicate places. [2025-03-15 00:25:16,488 INFO L471 AbstractCegarLoop]: Abstraction has has 82 places, 115 transitions, 513 flow [2025-03-15 00:25:16,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 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 00:25:16,488 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:16,489 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] [2025-03-15 00:25:16,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 00:25:16,489 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:16,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:16,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1676141758, now seen corresponding path program 1 times [2025-03-15 00:25:16,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:16,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686696915] [2025-03-15 00:25:16,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:16,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:16,710 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 00:25:16,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:16,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686696915] [2025-03-15 00:25:16,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686696915] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:16,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:16,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 00:25:16,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090813507] [2025-03-15 00:25:16,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:16,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 00:25:16,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:16,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 00:25:16,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 00:25:16,712 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 48 out of 72 [2025-03-15 00:25:16,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 115 transitions, 513 flow. Second operand has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 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 00:25:16,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:16,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 48 of 72 [2025-03-15 00:25:16,713 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:16,882 INFO L124 PetriNetUnfolderBase]: 224/615 cut-off events. [2025-03-15 00:25:16,883 INFO L125 PetriNetUnfolderBase]: For 629/687 co-relation queries the response was YES. [2025-03-15 00:25:16,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1786 conditions, 615 events. 224/615 cut-off events. For 629/687 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 3016 event pairs, 49 based on Foata normal form. 0/573 useless extension candidates. Maximal degree in co-relation 1747. Up to 332 conditions per place. [2025-03-15 00:25:16,887 INFO L140 encePairwiseOnDemand]: 61/72 looper letters, 62 selfloop transitions, 26 changer transitions 26/160 dead transitions. [2025-03-15 00:25:16,887 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 160 transitions, 967 flow [2025-03-15 00:25:16,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 00:25:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 00:25:16,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 350 transitions. [2025-03-15 00:25:16,888 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8101851851851852 [2025-03-15 00:25:16,890 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, 11 predicate places. [2025-03-15 00:25:16,890 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 160 transitions, 967 flow [2025-03-15 00:25:16,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.0) internal successors, (300), 6 states have internal predecessors, (300), 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 00:25:16,890 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 00:25:16,890 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] [2025-03-15 00:25:16,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 00:25:16,890 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 6 more)] === [2025-03-15 00:25:16,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 00:25:16,891 INFO L85 PathProgramCache]: Analyzing trace with hash 105843190, now seen corresponding path program 1 times [2025-03-15 00:25:16,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 00:25:16,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863823981] [2025-03-15 00:25:16,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 00:25:16,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 00:25:16,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 00:25:16,957 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 00:25:16,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 00:25:16,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863823981] [2025-03-15 00:25:16,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863823981] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 00:25:16,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 00:25:16,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 00:25:16,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690262422] [2025-03-15 00:25:16,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 00:25:16,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 00:25:16,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 00:25:16,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 00:25:16,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 00:25:16,961 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 72 [2025-03-15 00:25:16,962 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 160 transitions, 967 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 00:25:16,962 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 00:25:16,962 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 72 [2025-03-15 00:25:16,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 00:25:16,998 INFO L124 PetriNetUnfolderBase]: 34/196 cut-off events. [2025-03-15 00:25:16,998 INFO L125 PetriNetUnfolderBase]: For 646/698 co-relation queries the response was YES. [2025-03-15 00:25:16,999 INFO L83 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 196 events. 34/196 cut-off events. For 646/698 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 578 event pairs, 15 based on Foata normal form. 19/209 useless extension candidates. Maximal degree in co-relation 513. Up to 83 conditions per place. [2025-03-15 00:25:16,999 INFO L140 encePairwiseOnDemand]: 68/72 looper letters, 0 selfloop transitions, 0 changer transitions 76/76 dead transitions. [2025-03-15 00:25:16,999 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 76 transitions, 403 flow [2025-03-15 00:25:17,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 00:25:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 00:25:17,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 196 transitions. [2025-03-15 00:25:17,002 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9074074074074074 [2025-03-15 00:25:17,003 INFO L298 CegarLoopForPetriNet]: 76 programPoint places, 11 predicate places. [2025-03-15 00:25:17,003 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 76 transitions, 403 flow [2025-03-15 00:25:17,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 00:25:17,009 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_22-deref_read.i_petrified1_AllErrorsAtOnce [2025-03-15 00:25:17,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (8 of 9 remaining) [2025-03-15 00:25:17,029 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (7 of 9 remaining) [2025-03-15 00:25:17,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (6 of 9 remaining) [2025-03-15 00:25:17,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 9 remaining) [2025-03-15 00:25:17,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2025-03-15 00:25:17,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 9 remaining) [2025-03-15 00:25:17,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 9 remaining) [2025-03-15 00:25:17,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 9 remaining) [2025-03-15 00:25:17,032 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 9 remaining) [2025-03-15 00:25:17,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 00:25:17,032 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2025-03-15 00:25:17,036 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 00:25:17,036 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 00:25:17,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 12:25:17 BasicIcfg [2025-03-15 00:25:17,041 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 00:25:17,042 INFO L158 Benchmark]: Toolchain (without parser) took 2454.49ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 43.8MB in the beginning and 26.5MB in the end (delta: 17.3MB). Peak memory consumption was 53.5MB. Max. memory is 8.0GB. [2025-03-15 00:25:17,042 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:25:17,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.11ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 24.6MB in the end (delta: 19.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-15 00:25:17,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.73ms. Allocated memory is still 71.3MB. Free memory was 24.6MB in the beginning and 23.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 00:25:17,042 INFO L158 Benchmark]: Boogie Preprocessor took 25.26ms. Allocated memory is still 71.3MB. Free memory was 23.0MB in the beginning and 21.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 00:25:17,043 INFO L158 Benchmark]: RCFGBuilder took 287.64ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 34.4MB in the end (delta: -12.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2025-03-15 00:25:17,043 INFO L158 Benchmark]: TraceAbstraction took 1833.26ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 33.5MB in the beginning and 26.5MB in the end (delta: 6.9MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. [2025-03-15 00:25:17,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 270.11ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 24.6MB in the end (delta: 19.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.73ms. Allocated memory is still 71.3MB. Free memory was 24.6MB in the beginning and 23.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 25.26ms. Allocated memory is still 71.3MB. Free memory was 23.0MB in the beginning and 21.9MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 287.64ms. Allocated memory is still 71.3MB. Free memory was 21.8MB in the beginning and 34.4MB in the end (delta: -12.6MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1833.26ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 33.5MB in the beginning and 26.5MB in the end (delta: 6.9MB). Peak memory consumption was 46.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 691]: 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: 693]: 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 - PositiveResult [Line: 684]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 684]: 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, 94 locations, 9 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: 1.7s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 51 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 381 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 48 mSDtfsCounter, 381 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=967occurred in iteration=5, InterpolantAutomatonStates: 24, 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, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 433 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 00:25:17,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...