/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-30 01:24:04,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-30 01:24:04,594 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 [2025-01-30 01:24:04,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-30 01:24:04,600 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-30 01:24:04,621 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-30 01:24:04,622 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-30 01:24:04,622 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-30 01:24:04,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-30 01:24:04,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-30 01:24:04,622 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-30 01:24:04,622 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-30 01:24:04,622 INFO L153 SettingsManager]: * Use SBE=true [2025-01-30 01:24:04,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-30 01:24:04,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-30 01:24:04,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-30 01:24:04,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-30 01:24:04,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-30 01:24:04,626 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-30 01:24:04,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:24:04,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-30 01:24:04,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-30 01:24:04,626 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-30 01:24:04,627 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-30 01:24:04,627 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-01-30 01:24:04,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-30 01:24:04,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-30 01:24:04,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-30 01:24:04,881 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-30 01:24:04,882 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-30 01:24:04,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2025-01-30 01:24:04,883 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2025-01-30 01:24:04,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-30 01:24:04,905 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-30 01:24:04,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-30 01:24:04,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-30 01:24:04,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-30 01:24:04,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,923 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-30 01:24:04,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-30 01:24:04,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-30 01:24:04,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-30 01:24:04,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-30 01:24:04,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,934 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-30 01:24:04,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-30 01:24:04,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-30 01:24:04,939 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-30 01:24:04,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/1) ... [2025-01-30 01:24:04,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:24:04,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:04,967 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) [2025-01-30 01:24:04,969 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 [2025-01-30 01:24:04,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-30 01:24:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-30 01:24:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-30 01:24:04,989 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-30 01:24:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-30 01:24:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-30 01:24:04,990 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-30 01:24:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-30 01:24:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-30 01:24:04,990 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-30 01:24:05,023 INFO L234 CfgBuilder]: Building ICFG [2025-01-30 01:24:05,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-30 01:24:05,097 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-30 01:24:05,097 INFO L283 CfgBuilder]: Performing block encoding [2025-01-30 01:24:05,109 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-30 01:24:05,110 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-30 01:24:05,110 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:24:05 BoogieIcfgContainer [2025-01-30 01:24:05,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-30 01:24:05,112 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-30 01:24:05,112 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-30 01:24:05,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-30 01:24:05,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:24:04" (1/2) ... [2025-01-30 01:24:05,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2028058e and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:24:05, skipping insertion in model container [2025-01-30 01:24:05,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:24:05" (2/2) ... [2025-01-30 01:24:05,116 INFO L128 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2025-01-30 01:24:05,126 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-30 01:24:05,127 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG threaded-sum-2.wvr.bpl that has 3 procedures, 23 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-30 01:24:05,128 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-30 01:24:05,152 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-30 01:24:05,182 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:24:05,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-30 01:24:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:05,184 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) [2025-01-30 01:24:05,186 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 [2025-01-30 01:24:05,221 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-30 01:24:05,244 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-30 01:24:05,252 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;@1634916d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:24:05,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-30 01:24:05,364 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:05,364 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:05,364 INFO L139 ounterexampleChecker]: Examining path program with hash -79379824, occurence #1 [2025-01-30 01:24:05,365 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:05,365 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:05,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:05,376 INFO L85 PathProgramCache]: Analyzing trace with hash 505713686, now seen corresponding path program 1 times [2025-01-30 01:24:05,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:05,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664883302] [2025-01-30 01:24:05,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:05,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:05,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-30 01:24:05,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-30 01:24:05,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:05,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:05,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:05,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:05,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664883302] [2025-01-30 01:24:05,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664883302] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:24:05,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:24:05,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:24:05,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438127931] [2025-01-30 01:24:05,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:24:05,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:24:05,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:05,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:24:05,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:24:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,540 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:05,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2025-01-30 01:24:05,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-30 01:24:05,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:05,608 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:05,608 INFO L139 ounterexampleChecker]: Examining path program with hash 533083770, occurence #1 [2025-01-30 01:24:05,608 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:05,608 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:05,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:05,609 INFO L85 PathProgramCache]: Analyzing trace with hash -94193603, now seen corresponding path program 1 times [2025-01-30 01:24:05,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:05,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079143264] [2025-01-30 01:24:05,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:05,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:05,644 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:24:05,655 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:24:05,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:05,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:05,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:05,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:05,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079143264] [2025-01-30 01:24:05,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079143264] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:24:05,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:24:05,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:24:05,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219034749] [2025-01-30 01:24:05,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:24:05,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:24:05,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:05,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:24:05,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:24:05,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,686 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:05,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2025-01-30 01:24:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-30 01:24:05,769 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:05,769 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:05,769 INFO L139 ounterexampleChecker]: Examining path program with hash 1621601518, occurence #1 [2025-01-30 01:24:05,769 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:05,769 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:05,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:05,769 INFO L85 PathProgramCache]: Analyzing trace with hash 434100626, now seen corresponding path program 1 times [2025-01-30 01:24:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:05,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930273467] [2025-01-30 01:24:05,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:05,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-01-30 01:24:05,778 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-01-30 01:24:05,778 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:05,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 01:24:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:05,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930273467] [2025-01-30 01:24:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930273467] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:24:05,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:24:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:24:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516398651] [2025-01-30 01:24:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:24:05,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:24:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:05,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:24:05,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-30 01:24:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,854 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:05,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2025-01-30 01:24:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:05,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:05,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-30 01:24:05,891 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:05,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:05,891 INFO L139 ounterexampleChecker]: Examining path program with hash 2014291643, occurence #1 [2025-01-30 01:24:05,891 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:05,891 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:05,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:05,891 INFO L85 PathProgramCache]: Analyzing trace with hash -194867527, now seen corresponding path program 2 times [2025-01-30 01:24:05,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:05,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912721723] [2025-01-30 01:24:05,891 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:24:05,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:05,898 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-30 01:24:05,906 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-30 01:24:05,906 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:24:05,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:06,163 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:06,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:06,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912721723] [2025-01-30 01:24:06,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912721723] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:06,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22198007] [2025-01-30 01:24:06,164 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:24:06,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:06,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:06,166 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) [2025-01-30 01:24:06,167 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 [2025-01-30 01:24:06,187 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-30 01:24:06,193 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 22 of 22 statements. [2025-01-30 01:24:06,193 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:24:06,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:06,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-30 01:24:06,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:06,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:06,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22198007] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:06,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:06,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2025-01-30 01:24:06,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866775873] [2025-01-30 01:24:06,904 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:06,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-30 01:24:06,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:06,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-30 01:24:06,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=757, Unknown=0, NotChecked=0, Total=930 [2025-01-30 01:24:06,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:06,906 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:06,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1.8709677419354838) internal successors, (58), 30 states have internal predecessors, (58), 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) [2025-01-30 01:24:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:06,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:07,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:24:07,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-30 01:24:07,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:07,390 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:07,390 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:07,390 INFO L139 ounterexampleChecker]: Examining path program with hash 116313571, occurence #1 [2025-01-30 01:24:07,390 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:07,390 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:07,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:07,391 INFO L85 PathProgramCache]: Analyzing trace with hash -816800706, now seen corresponding path program 1 times [2025-01-30 01:24:07,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:07,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359119661] [2025-01-30 01:24:07,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:07,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:07,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-30 01:24:07,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-30 01:24:07,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:07,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-30 01:24:07,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:07,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359119661] [2025-01-30 01:24:07,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359119661] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:24:07,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:24:07,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:24:07,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907477347] [2025-01-30 01:24:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:24:07,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:24:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:07,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:24:07,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-30 01:24:07,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:07,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:07,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-01-30 01:24:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:24:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:07,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:24:07,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:07,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-30 01:24:07,449 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:07,449 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:07,449 INFO L139 ounterexampleChecker]: Examining path program with hash 116313571, occurence #2 [2025-01-30 01:24:07,449 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:07,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:07,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:07,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:07,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:07,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-01-30 01:24:07,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:07,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-01-30 01:24:07,450 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:07,450 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-30 01:24:07,450 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:07,450 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:07,450 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:07,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:07,451 INFO L85 PathProgramCache]: Analyzing trace with hash 521411420, now seen corresponding path program 3 times [2025-01-30 01:24:07,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:07,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467081311] [2025-01-30 01:24:07,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:24:07,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:07,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-01-30 01:24:07,459 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 01:24:07,459 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:24:07,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:07,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:07,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467081311] [2025-01-30 01:24:07,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467081311] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:07,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805243959] [2025-01-30 01:24:07,662 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:24:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:07,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:07,665 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:07,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-30 01:24:07,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 24 statements into 2 equivalence classes. [2025-01-30 01:24:07,690 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-30 01:24:07,690 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:24:07,690 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:07,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-30 01:24:07,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:07,965 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:07,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:08,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:08,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805243959] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:08,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:08,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 30 [2025-01-30 01:24:08,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971303338] [2025-01-30 01:24:08,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:08,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-30 01:24:08,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:08,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-30 01:24:08,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=787, Unknown=0, NotChecked=0, Total=930 [2025-01-30 01:24:08,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:08,206 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:08,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.064516129032258) internal successors, (64), 30 states have internal predecessors, (64), 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) [2025-01-30 01:24:08,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:08,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:24:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:08,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:08,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:08,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-30 01:24:09,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:09,150 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:09,150 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:09,150 INFO L139 ounterexampleChecker]: Examining path program with hash 2014291643, occurence #2 [2025-01-30 01:24:09,150 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:09,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:09,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:09,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:09,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:09,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-01-30 01:24:09,151 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:09,151 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-30 01:24:09,151 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:09,151 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:09,151 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:09,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:09,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1651598781, now seen corresponding path program 4 times [2025-01-30 01:24:09,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:09,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807867758] [2025-01-30 01:24:09,155 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:24:09,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:09,158 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-01-30 01:24:09,160 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-30 01:24:09,160 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:24:09,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:09,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-30 01:24:09,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:09,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807867758] [2025-01-30 01:24:09,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807867758] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:09,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083346223] [2025-01-30 01:24:09,350 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:24:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:09,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:09,356 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:09,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-30 01:24:09,375 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 27 statements into 2 equivalence classes. [2025-01-30 01:24:09,382 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-30 01:24:09,382 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:24:09,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:09,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-30 01:24:09,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:09,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:09,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:10,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083346223] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:10,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:10,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 37 [2025-01-30 01:24:10,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048613597] [2025-01-30 01:24:10,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:10,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-01-30 01:24:10,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:10,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-01-30 01:24:10,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=1175, Unknown=0, NotChecked=0, Total=1406 [2025-01-30 01:24:10,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:10,031 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:10,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.8157894736842106) internal successors, (69), 37 states have internal predecessors, (69), 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) [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:10,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-30 01:24:11,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-30 01:24:11,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:11,350 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:11,350 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:11,350 INFO L139 ounterexampleChecker]: Examining path program with hash 116313571, occurence #3 [2025-01-30 01:24:11,350 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:11,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:11,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:11,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:11,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:11,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-30 01:24:11,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:11,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-30 01:24:11,350 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:11,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-30 01:24:11,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:11,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:11,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:11,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:11,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1154040160, now seen corresponding path program 5 times [2025-01-30 01:24:11,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:11,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730328673] [2025-01-30 01:24:11,351 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:24:11,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:11,354 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 29 statements into 3 equivalence classes. [2025-01-30 01:24:11,357 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:24:11,357 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:24:11,357 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-30 01:24:11,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:11,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730328673] [2025-01-30 01:24:11,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730328673] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:11,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489580121] [2025-01-30 01:24:11,524 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:24:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:11,525 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:11,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-30 01:24:11,545 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 29 statements into 3 equivalence classes. [2025-01-30 01:24:11,552 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:24:11,552 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:24:11,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:11,553 WARN L254 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-01-30 01:24:11,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:11,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:12,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:12,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489580121] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:12,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:12,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2025-01-30 01:24:12,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027937330] [2025-01-30 01:24:12,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:12,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-30 01:24:12,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:12,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-30 01:24:12,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1167, Unknown=0, NotChecked=0, Total=1332 [2025-01-30 01:24:12,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:12,124 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:12,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 1.972972972972973) internal successors, (73), 36 states have internal predecessors, (73), 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) [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-30 01:24:12,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:14,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-30 01:24:14,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-30 01:24:14,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-30 01:24:14,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:14,269 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:14,269 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:14,269 INFO L139 ounterexampleChecker]: Examining path program with hash 1665572637, occurence #1 [2025-01-30 01:24:14,269 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:24:14,269 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:14,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:14,269 INFO L85 PathProgramCache]: Analyzing trace with hash 2002370665, now seen corresponding path program 2 times [2025-01-30 01:24:14,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:14,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991866720] [2025-01-30 01:24:14,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:24:14,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:14,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-01-30 01:24:14,276 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:24:14,276 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:24:14,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-30 01:24:14,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991866720] [2025-01-30 01:24:14,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991866720] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:14,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067122291] [2025-01-30 01:24:14,498 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:24:14,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:14,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:14,500 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:14,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-30 01:24:14,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-01-30 01:24:14,527 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:24:14,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:24:14,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:14,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-30 01:24:14,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:15,007 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:15,007 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067122291] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:15,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 20, 20] total 47 [2025-01-30 01:24:15,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488203400] [2025-01-30 01:24:15,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:15,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-30 01:24:15,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:15,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-30 01:24:15,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=1905, Unknown=0, NotChecked=0, Total=2256 [2025-01-30 01:24:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:15,432 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:15,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 1.9791666666666667) internal successors, (95), 47 states have internal predecessors, (95), 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) [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-30 01:24:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-30 01:24:18,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-30 01:24:18,621 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-30 01:24:18,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:18,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:18,816 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:18,816 INFO L139 ounterexampleChecker]: Examining path program with hash 1665572637, occurence #2 [2025-01-30 01:24:18,816 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:18,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:18,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:18,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:18,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:18,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-30 01:24:18,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:18,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-30 01:24:18,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:18,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1998366232, now seen corresponding path program 1 times [2025-01-30 01:24:18,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:24:18,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886096050] [2025-01-30 01:24:18,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:18,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:18,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-30 01:24:18,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 01:24:18,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:18,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:24:18,831 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:24:18,831 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:24:18,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-30 01:24:18,831 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:18,831 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:24:18,831 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:18,831 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:18,831 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:18,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:18,831 INFO L85 PathProgramCache]: Analyzing trace with hash 196066833, now seen corresponding path program 3 times [2025-01-30 01:24:18,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:18,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308891350] [2025-01-30 01:24:18,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:24:18,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:18,833 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 7 equivalence classes. [2025-01-30 01:24:18,836 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 49 of 49 statements. [2025-01-30 01:24:18,836 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-30 01:24:18,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:19,085 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-30 01:24:19,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:19,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308891350] [2025-01-30 01:24:19,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308891350] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:19,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600644985] [2025-01-30 01:24:19,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:24:19,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:19,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:19,088 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:19,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-30 01:24:19,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 7 equivalence classes. [2025-01-30 01:24:19,119 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 49 of 49 statements. [2025-01-30 01:24:19,119 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-30 01:24:19,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:19,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-01-30 01:24:19,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:19,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:20,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600644985] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:20,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:20,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 27, 27] total 62 [2025-01-30 01:24:20,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277376377] [2025-01-30 01:24:20,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:20,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-30 01:24:20,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:20,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-30 01:24:20,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=3368, Unknown=0, NotChecked=0, Total=3906 [2025-01-30 01:24:20,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:20,588 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:20,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 1.873015873015873) internal successors, (118), 62 states have internal predecessors, (118), 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) [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-30 01:24:20,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-01-30 01:24:25,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:24:25,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-30 01:24:25,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:25,437 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:25,437 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:25,437 INFO L139 ounterexampleChecker]: Examining path program with hash 1665572637, occurence #3 [2025-01-30 01:24:25,437 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:25,437 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:25,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:25,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-30 01:24:25,438 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,438 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-30 01:24:25,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:25,446 INFO L85 PathProgramCache]: Analyzing trace with hash 78452551, now seen corresponding path program 1 times [2025-01-30 01:24:25,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:24:25,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840778975] [2025-01-30 01:24:25,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:25,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:25,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-30 01:24:25,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:24:25,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:25,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:24:25,453 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:24:25,453 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:24:25,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-30 01:24:25,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,453 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 50 is hopeless, skipping. [2025-01-30 01:24:25,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-30 01:24:25,453 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,453 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 57 is hopeless, skipping. [2025-01-30 01:24:25,453 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-30 01:24:25,454 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:25,454 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-30 01:24:25,454 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,454 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:25,454 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:25,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:25,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1486502542, now seen corresponding path program 4 times [2025-01-30 01:24:25,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:25,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158999143] [2025-01-30 01:24:25,454 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:24:25,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:25,457 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 68 statements into 2 equivalence classes. [2025-01-30 01:24:25,461 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-01-30 01:24:25,461 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:24:25,461 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-01-30 01:24:25,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:25,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158999143] [2025-01-30 01:24:25,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158999143] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:24:25,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:24:25,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:24:25,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572862016] [2025-01-30 01:24:25,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:24:25,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:24:25,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:25,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:24:25,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-30 01:24:25,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:25,489 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:25,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 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) [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:24:25,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:24:25,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-30 01:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-01-30 01:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2025-01-30 01:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:24:25,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:25,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2025-01-30 01:24:25,983 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-30 01:24:25,983 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:24:25,983 INFO L139 ounterexampleChecker]: Examining path program with hash 1665572637, occurence #4 [2025-01-30 01:24:25,983 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:24:25,983 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:24:25,983 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,983 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:24:25,983 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-01-30 01:24:25,984 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2025-01-30 01:24:25,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:25,989 INFO L85 PathProgramCache]: Analyzing trace with hash 78452618, now seen corresponding path program 1 times [2025-01-30 01:24:25,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:24:25,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838944956] [2025-01-30 01:24:25,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:24:25,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:25,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-30 01:24:25,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:24:25,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:24:25,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:24:25,993 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:24:25,993 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:24:25,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-30 01:24:25,993 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:24:25,993 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:24:25,993 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:24:25,993 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:24:25,993 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:24:25,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:24:25,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1921629418, now seen corresponding path program 6 times [2025-01-30 01:24:25,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:24:25,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522467355] [2025-01-30 01:24:25,994 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:24:25,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:24:25,996 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 49 statements into 6 equivalence classes. [2025-01-30 01:24:25,998 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 49 of 49 statements. [2025-01-30 01:24:25,999 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-30 01:24:25,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:26,194 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2025-01-30 01:24:26,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:24:26,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522467355] [2025-01-30 01:24:26,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522467355] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:24:26,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643160667] [2025-01-30 01:24:26,194 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:24:26,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:26,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:24:26,197 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:24:26,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-30 01:24:26,215 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 49 statements into 6 equivalence classes. [2025-01-30 01:24:26,225 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 49 of 49 statements. [2025-01-30 01:24:26,225 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-01-30 01:24:26,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:24:26,226 WARN L254 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 65 conjuncts are in the unsatisfiable core [2025-01-30 01:24:26,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:24:26,830 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:26,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:24:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:24:27,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643160667] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:24:27,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:24:27,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 27, 27] total 60 [2025-01-30 01:24:27,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388060048] [2025-01-30 01:24:27,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:24:27,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-01-30 01:24:27,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:24:27,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-01-30 01:24:27,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=3242, Unknown=0, NotChecked=0, Total=3660 [2025-01-30 01:24:27,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:27,551 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:24:27,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 1.8360655737704918) internal successors, (112), 60 states have internal predecessors, (112), 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) [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 62 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:27,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:24:46,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:24:46,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2025-01-30 01:24:46,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-01-30 01:24:46,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-30 01:24:46,069 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-30 01:24:46,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-30 01:24:46,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:24:46,280 INFO L422 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1] [2025-01-30 01:24:46,282 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-30 01:24:46,282 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-30 01:24:46,290 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-30 01:24:46,291 INFO L201 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:24:46 BasicIcfg [2025-01-30 01:24:46,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-30 01:24:46,291 INFO L158 Benchmark]: Toolchain (without parser) took 41386.42ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 125.8MB in the beginning and 191.9MB in the end (delta: -66.1MB). Peak memory consumption was 151.7MB. Max. memory is 16.0GB. [2025-01-30 01:24:46,292 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:24:46,292 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.84ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-30 01:24:46,292 INFO L158 Benchmark]: Boogie Preprocessor took 13.34ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:24:46,293 INFO L158 Benchmark]: RCFGBuilder took 171.53ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 114.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-30 01:24:46,293 INFO L158 Benchmark]: TraceAbstraction took 41179.13ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 113.1MB in the beginning and 191.9MB in the end (delta: -78.8MB). Peak memory consumption was 135.0MB. Max. memory is 16.0GB. [2025-01-30 01:24:46,294 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 0.19ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.84ms. Allocated memory is still 201.3MB. Free memory was 125.8MB in the beginning and 124.7MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 13.34ms. Allocated memory is still 201.3MB. Free memory was 124.7MB in the beginning and 123.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 171.53ms. Allocated memory is still 201.3MB. Free memory was 123.6MB in the beginning and 114.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 41179.13ms. Allocated memory was 201.3MB in the beginning and 402.7MB in the end (delta: 201.3MB). Free memory was 113.1MB in the beginning and 191.9MB in the end (delta: -78.8MB). Peak memory consumption was 135.0MB. 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: 4456, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 1476, dependent conditional: 1470, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3147, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 167, dependent conditional: 161, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3147, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 167, dependent conditional: 161, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 2193, dependent conditional: 2187, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 264, independent unconditional: 2716, dependent: 2193, dependent conditional: 1676, dependent unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 264, independent unconditional: 2716, dependent: 2193, dependent conditional: 1676, dependent unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 436, independent: 225, independent conditional: 86, independent unconditional: 139, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 436, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 304, independent: 93, independent conditional: 86, independent unconditional: 7, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 304, independent: 93, independent conditional: 86, independent unconditional: 7, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1482, independent: 549, independent conditional: 457, independent unconditional: 91, dependent: 934, dependent conditional: 864, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 3, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5173, independent: 2755, independent conditional: 178, independent unconditional: 2577, dependent: 1982, dependent conditional: 1471, dependent unconditional: 511, unknown: 436, unknown conditional: 291, unknown unconditional: 145] , Statistics on independence cache: Total cache size (in pairs): 439, Positive cache size: 228, Positive conditional cache size: 89, Positive unconditional cache size: 139, Negative cache size: 211, Negative conditional cache size: 205, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3076, Maximal queried relation: 10, Independence queries for same thread: 1309, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 36, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 157, independent: 151, independent conditional: 0, independent unconditional: 151, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4456, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 1476, dependent conditional: 1470, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3147, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 167, dependent conditional: 161, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3147, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 167, dependent conditional: 161, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 2829, independent unconditional: 151, dependent: 2193, dependent conditional: 2187, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 264, independent unconditional: 2716, dependent: 2193, dependent conditional: 1676, dependent unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5173, independent: 2980, independent conditional: 264, independent unconditional: 2716, dependent: 2193, dependent conditional: 1676, dependent unconditional: 517, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 436, independent: 225, independent conditional: 86, independent unconditional: 139, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 436, independent: 132, independent conditional: 0, independent unconditional: 132, dependent: 304, dependent conditional: 0, dependent unconditional: 304, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 304, independent: 93, independent conditional: 86, independent unconditional: 7, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 304, independent: 93, independent conditional: 86, independent unconditional: 7, dependent: 211, dependent conditional: 205, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1482, independent: 549, independent conditional: 457, independent unconditional: 91, dependent: 934, dependent conditional: 864, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 3, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5173, independent: 2755, independent conditional: 178, independent unconditional: 2577, dependent: 1982, dependent conditional: 1471, dependent unconditional: 511, unknown: 436, unknown conditional: 291, unknown unconditional: 145] , Statistics on independence cache: Total cache size (in pairs): 439, Positive cache size: 228, Positive conditional cache size: 89, Positive unconditional cache size: 139, Negative cache size: 211, Negative conditional cache size: 205, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3076, Maximal queried relation: 10, Independence queries for same thread: 1309 - PositiveResult [Line: 55]: 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 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 31.2s, 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: 717, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 837 ConstructedInterpolants, 0 QuantifiedInterpolants, 8764 SizeOfPredicates, 42 NumberOfNonLiveVariables, 509 ConjunctsInSsa, 253 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 345/926 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: 0, ConComChecker Statistics: CheckTime [ms]: 39, ConditionCalculationTime [ms]: 20, ConditionCalculations: 28, QuantifiedConditions: 0, TraceChecks: 3, UnknownTraceChecks: 0, UnsatisfiedConditions: 3, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-30 01:24:46,309 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...