/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 22:43:57,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 22:43:57,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 22:43:57,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 22:43:57,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 22:43:57,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 22:43:57,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 22:43:57,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 22:43:57,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 22:43:57,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 22:43:57,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 22:43:57,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 22:43:57,369 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 22:43:57,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 22:43:57,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:43:57,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 22:43:57,371 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 22:43:57,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-22 22:43:57,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 22:43:57,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 22:43:57,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 22:43:57,723 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 22:43:57,724 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 22:43:57,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl [2025-01-22 22:43:57,725 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/min-max-inc.wvr.bpl' [2025-01-22 22:43:57,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 22:43:57,756 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 22:43:57,757 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 22:43:57,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 22:43:57,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 22:43:57,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,777 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 22:43:57,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 22:43:57,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 22:43:57,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 22:43:57,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 22:43:57,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,784 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,787 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 22:43:57,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 22:43:57,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 22:43:57,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 22:43:57,793 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/1) ... [2025-01-22 22:43:57,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:43:57,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:43:57,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 22:43:57,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 22:43:57,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 22:43:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 22:43:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 22:43:57,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 22:43:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 22:43:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 22:43:57,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 22:43:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 22:43:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 22:43:57,863 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 22:43:57,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 22:43:57,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 22:43:57,864 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-01-22 22:43:57,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-01-22 22:43:57,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-01-22 22:43:57,865 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 22:43:57,921 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 22:43:57,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 22:43:58,049 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 22:43:58,049 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 22:43:58,081 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 22:43:58,081 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 22:43:58,081 INFO L201 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:43:58 BoogieIcfgContainer [2025-01-22 22:43:58,081 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 22:43:58,084 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 22:43:58,084 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 22:43:58,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 22:43:58,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:43:57" (1/2) ... [2025-01-22 22:43:58,089 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e040bfe and model type min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 10:43:58, skipping insertion in model container [2025-01-22 22:43:58,089 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:43:58" (2/2) ... [2025-01-22 22:43:58,091 INFO L128 eAbstractionObserver]: Analyzing ICFG min-max-inc.wvr.bpl [2025-01-22 22:43:58,104 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 22:43:58,105 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG min-max-inc.wvr.bpl that has 5 procedures, 26 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 22:43:58,106 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 22:43:58,156 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-01-22 22:43:58,199 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:43:58,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 22:43:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:43:58,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 22:43:58,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 22:43:58,252 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 22:43:58,269 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 22:43:58,283 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@576300e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:43:58,284 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-01-22 22:43:59,149 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:43:59,149 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:43:59,149 INFO L139 ounterexampleChecker]: Examining path program with hash -918078557, occurence #1 [2025-01-22 22:43:59,149 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:43:59,150 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:43:59,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:43:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1169557003, now seen corresponding path program 1 times [2025-01-22 22:43:59,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:43:59,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261765338] [2025-01-22 22:43:59,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:43:59,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:43:59,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-22 22:43:59,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-22 22:43:59,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:43:59,257 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:43:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:43:59,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:43:59,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261765338] [2025-01-22 22:43:59,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261765338] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:43:59,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:43:59,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-22 22:43:59,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542238142] [2025-01-22 22:43:59,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:43:59,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-22 22:43:59,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:43:59,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-22 22:43:59,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-22 22:43:59,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:43:59,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:43:59,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:43:59,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:00,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:00,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 22:44:00,113 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:00,113 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:00,114 INFO L139 ounterexampleChecker]: Examining path program with hash 976711610, occurence #1 [2025-01-22 22:44:00,114 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:00,114 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:00,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:00,115 INFO L85 PathProgramCache]: Analyzing trace with hash -867001231, now seen corresponding path program 2 times [2025-01-22 22:44:00,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:00,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216878095] [2025-01-22 22:44:00,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:44:00,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:00,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-01-22 22:44:00,215 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-01-22 22:44:00,216 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:44:00,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:00,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:00,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216878095] [2025-01-22 22:44:00,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216878095] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:44:00,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129636852] [2025-01-22 22:44:00,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:44:00,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:44:00,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:44:00,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:44:00,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 22:44:00,652 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-01-22 22:44:00,676 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-01-22 22:44:00,676 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:44:00,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:00,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 22:44:00,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:44:00,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-22 22:44:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:00,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:44:01,276 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-22 22:44:01,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 9 [2025-01-22 22:44:01,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:01,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [129636852] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-22 22:44:01,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-01-22 22:44:01,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 7] total 15 [2025-01-22 22:44:01,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068067355] [2025-01-22 22:44:01,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:01,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 22:44:01,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:01,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 22:44:01,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2025-01-22 22:44:01,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:01,297 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:01,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 7 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:01,298 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:02,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:02,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:02,347 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 22:44:02,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:44:02,542 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:02,542 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:02,543 INFO L139 ounterexampleChecker]: Examining path program with hash -35869305, occurence #1 [2025-01-22 22:44:02,543 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:02,543 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:02,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:02,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1422722187, now seen corresponding path program 3 times [2025-01-22 22:44:02,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:02,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996763732] [2025-01-22 22:44:02,543 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:44:02,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:02,550 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 3 equivalence classes. [2025-01-22 22:44:02,557 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 29 of 39 statements. [2025-01-22 22:44:02,557 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-01-22 22:44:02,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 22:44:02,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:02,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996763732] [2025-01-22 22:44:02,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996763732] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:02,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:02,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-22 22:44:02,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980864697] [2025-01-22 22:44:02,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:02,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-22 22:44:02,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:02,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-22 22:44:02,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-22 22:44:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:02,717 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:02,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.285714285714286) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:02,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:02,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:02,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:03,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:03,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-22 22:44:03,881 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:03,881 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:03,881 INFO L139 ounterexampleChecker]: Examining path program with hash -44755256, occurence #1 [2025-01-22 22:44:03,881 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:03,881 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:03,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:03,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1662136341, now seen corresponding path program 4 times [2025-01-22 22:44:03,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:03,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958485396] [2025-01-22 22:44:03,882 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:44:03,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:03,887 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 33 statements into 2 equivalence classes. [2025-01-22 22:44:03,891 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-22 22:44:03,891 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:44:03,891 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 22:44:03,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:03,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958485396] [2025-01-22 22:44:03,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958485396] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:03,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:03,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:44:03,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038459527] [2025-01-22 22:44:03,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:03,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 22:44:03,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:03,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:44:03,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 22:44:03,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:03,939 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:03,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:03,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:03,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:03,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:03,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:04,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:04,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:04,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:04,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-22 22:44:04,522 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:04,522 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:04,522 INFO L139 ounterexampleChecker]: Examining path program with hash -1917934067, occurence #1 [2025-01-22 22:44:04,523 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:04,523 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:04,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:04,523 INFO L85 PathProgramCache]: Analyzing trace with hash 970539779, now seen corresponding path program 5 times [2025-01-22 22:44:04,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:04,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206482047] [2025-01-22 22:44:04,523 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:44:04,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:04,528 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 37 statements into 1 equivalence classes. [2025-01-22 22:44:04,539 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-22 22:44:04,540 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-22 22:44:04,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:04,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:04,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206482047] [2025-01-22 22:44:04,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206482047] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:04,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:04,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2025-01-22 22:44:04,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923431961] [2025-01-22 22:44:04,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:04,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-22 22:44:04,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:04,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-22 22:44:04,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-01-22 22:44:04,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:04,701 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:04,702 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:04,702 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:08,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:08,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:08,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-22 22:44:08,061 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:08,061 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:08,061 INFO L139 ounterexampleChecker]: Examining path program with hash -646058081, occurence #1 [2025-01-22 22:44:08,061 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:08,061 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:08,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:08,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1268714273, now seen corresponding path program 6 times [2025-01-22 22:44:08,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:08,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434007150] [2025-01-22 22:44:08,062 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:44:08,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:08,071 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 49 statements into 3 equivalence classes. [2025-01-22 22:44:08,077 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 31 of 49 statements. [2025-01-22 22:44:08,077 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-01-22 22:44:08,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:08,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-22 22:44:08,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:08,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434007150] [2025-01-22 22:44:08,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434007150] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:08,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:08,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-22 22:44:08,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416524635] [2025-01-22 22:44:08,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:08,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 22:44:08,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:08,350 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 22:44:08,350 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2025-01-22 22:44:08,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:08,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:08,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:08,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:09,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:09,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:09,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-22 22:44:09,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:09,815 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:09,815 INFO L139 ounterexampleChecker]: Examining path program with hash -85489602, occurence #1 [2025-01-22 22:44:09,815 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:09,815 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:09,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:09,816 INFO L85 PathProgramCache]: Analyzing trace with hash -338319777, now seen corresponding path program 7 times [2025-01-22 22:44:09,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:09,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219884306] [2025-01-22 22:44:09,817 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:44:09,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:09,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-22 22:44:09,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-22 22:44:09,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:44:09,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:09,877 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-22 22:44:09,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:09,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219884306] [2025-01-22 22:44:09,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219884306] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:09,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:09,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 22:44:09,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878415415] [2025-01-22 22:44:09,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:09,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 22:44:09,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:09,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:44:09,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 22:44:09,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:09,879 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:09,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:09,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:09,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:10,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:10,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:10,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-22 22:44:10,809 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:10,809 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:10,809 INFO L139 ounterexampleChecker]: Examining path program with hash 1505478652, occurence #1 [2025-01-22 22:44:10,809 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:44:10,810 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:44:10,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:10,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1451850547, now seen corresponding path program 8 times [2025-01-22 22:44:10,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:44:10,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340114876] [2025-01-22 22:44:10,810 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:44:10,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:10,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 37 statements into 2 equivalence classes. [2025-01-22 22:44:10,819 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 31 of 37 statements. [2025-01-22 22:44:10,819 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-22 22:44:10,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:10,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 22:44:10,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:44:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340114876] [2025-01-22 22:44:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340114876] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:10,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:44:10,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-22 22:44:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201500783] [2025-01-22 22:44:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:10,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 22:44:10,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:44:10,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 22:44:10,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-22 22:44:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:10,997 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:10,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:10,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:12,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:12,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-22 22:44:12,805 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-01-22 22:44:12,805 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:44:12,805 INFO L139 ounterexampleChecker]: Examining path program with hash 1505478652, occurence #2 [2025-01-22 22:44:12,805 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:44:12,805 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:44:12,806 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:44:12,806 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 22:44:12,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:44:12,817 INFO L85 PathProgramCache]: Analyzing trace with hash 684151793, now seen corresponding path program 1 times [2025-01-22 22:44:12,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:44:12,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788613333] [2025-01-22 22:44:12,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:44:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:12,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 22:44:12,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 22:44:12,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:44:12,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:12,857 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:12,857 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 22:44:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788613333] [2025-01-22 22:44:12,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788613333] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:44:12,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [589866115] [2025-01-22 22:44:12,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:44:12,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:44:12,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 22:44:12,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 22:44:12,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:44:12,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:44:12,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 22:44:12,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:44:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:44:12,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [589866115] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:44:12,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 22:44:12,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 4 [2025-01-22 22:44:12,894 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 13. Constructing proof automaton... [2025-01-22 22:44:12,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:44:12,895 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 22:44:12,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:44:12,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 22:44:12,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:44:12,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-22 22:44:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:12,896 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:44:12,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:12,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:12,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:44:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-22 22:44:14,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:44:14,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2025-01-22 22:44:14,166 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-01-22 22:44:14,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-01-22 22:44:14,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-01-22 22:44:14,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-01-22 22:44:14,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable9 [2025-01-22 22:44:14,172 INFO L422 BasicCegarLoop]: Path program histogram: [8] [2025-01-22 22:44:14,174 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 22:44:14,175 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 22:44:14,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 22:44:14,187 INFO L201 PluginConnector]: Adding new model min-max-inc.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 10:44:14 BasicIcfg [2025-01-22 22:44:14,187 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 22:44:14,188 INFO L158 Benchmark]: Toolchain (without parser) took 16431.72ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 82.0MB in the beginning and 330.9MB in the end (delta: -249.0MB). Peak memory consumption was 280.8MB. Max. memory is 16.0GB. [2025-01-22 22:44:14,188 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:44:14,188 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.54ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:44:14,189 INFO L158 Benchmark]: Boogie Preprocessor took 13.10ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 712.8kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 22:44:14,189 INFO L158 Benchmark]: RCFGBuilder took 289.47ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 22:44:14,189 INFO L158 Benchmark]: TraceAbstraction took 16103.05ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 68.8MB in the beginning and 330.9MB in the end (delta: -262.1MB). Peak memory consumption was 272.4MB. Max. memory is 16.0GB. [2025-01-22 22:44:14,190 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 20.54ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.10ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.0MB in the end (delta: 712.8kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 289.47ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 69.4MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 16103.05ms. Allocated memory was 117.4MB in the beginning and 620.8MB in the end (delta: 503.3MB). Free memory was 68.8MB in the beginning and 330.9MB in the end (delta: -262.1MB). Peak memory consumption was 272.4MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 533673, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 103656, dependent conditional: 103640, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 453680, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 23663, dependent conditional: 23647, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 453680, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 23663, dependent conditional: 23647, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 131558, dependent conditional: 131542, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 9882, independent unconditional: 420135, dependent: 131558, dependent conditional: 81147, dependent unconditional: 50411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 9882, independent unconditional: 420135, dependent: 131558, dependent conditional: 81147, dependent unconditional: 50411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 828, independent: 535, independent conditional: 40, independent unconditional: 495, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 828, independent: 492, independent conditional: 0, independent unconditional: 492, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 43, independent conditional: 40, independent unconditional: 3, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 43, independent conditional: 40, independent unconditional: 3, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7399, independent: 1057, independent conditional: 1023, independent unconditional: 34, dependent: 6342, dependent conditional: 5521, dependent unconditional: 821, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 561575, independent: 429482, independent conditional: 9842, independent unconditional: 419640, dependent: 131265, dependent conditional: 80870, dependent unconditional: 50395, unknown: 828, unknown conditional: 317, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 829, Positive cache size: 536, Positive conditional cache size: 41, Positive unconditional cache size: 495, Negative cache size: 293, Negative conditional cache size: 277, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 469981, Maximal queried relation: 8, Independence queries for same thread: 79993, Persistent sets #1 benchmarks: Persistent set computation time: 1.0s, Number of persistent set computation: 362, Number of trivial persistent sets: 298, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 565, independent: 549, independent conditional: 0, independent unconditional: 549, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 533673, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 103656, dependent conditional: 103640, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 453680, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 23663, dependent conditional: 23647, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 453680, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 23663, dependent conditional: 23647, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 429468, independent unconditional: 549, dependent: 131558, dependent conditional: 131542, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 9882, independent unconditional: 420135, dependent: 131558, dependent conditional: 81147, dependent unconditional: 50411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 561575, independent: 430017, independent conditional: 9882, independent unconditional: 420135, dependent: 131558, dependent conditional: 81147, dependent unconditional: 50411, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 828, independent: 535, independent conditional: 40, independent unconditional: 495, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 828, independent: 492, independent conditional: 0, independent unconditional: 492, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 336, independent: 43, independent conditional: 40, independent unconditional: 3, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 336, independent: 43, independent conditional: 40, independent unconditional: 3, dependent: 293, dependent conditional: 277, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 7399, independent: 1057, independent conditional: 1023, independent unconditional: 34, dependent: 6342, dependent conditional: 5521, dependent unconditional: 821, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 561575, independent: 429482, independent conditional: 9842, independent unconditional: 419640, dependent: 131265, dependent conditional: 80870, dependent unconditional: 50395, unknown: 828, unknown conditional: 317, unknown unconditional: 511] , Statistics on independence cache: Total cache size (in pairs): 829, Positive cache size: 536, Positive conditional cache size: 41, Positive unconditional cache size: 495, Negative cache size: 293, Negative conditional cache size: 277, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 469981, Maximal queried relation: 8, Independence queries for same thread: 79993 - PositiveResult [Line: 77]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 43 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 15.9s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 13.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 86, 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, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 327 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 352 ConstructedInterpolants, 0 QuantifiedInterpolants, 1463 SizeOfPredicates, 6 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 29/31 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: SuccessfulCommutativityProofs: 1, ConComChecker Statistics: CheckTime [ms]: 89, ConditionCalculationTime [ms]: 10, ConditionCalculations: 1, QuantifiedConditions: 0, TraceChecks: 1, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-22 22:44:14,208 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...