/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 -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 22:15:34,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 22:15:34,193 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 [2024-12-16 22:15:34,197 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 22:15:34,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 22:15:34,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 22:15:34,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 22:15:34,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 22:15:34,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 22:15:34,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 22:15:34,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 22:15:34,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 22:15:34,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 22:15:34,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 22:15:34,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 22:15:34,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 22:15:34,225 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 22:15:34,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> SUFFICIENT [2024-12-16 22:15:34,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 22:15:34,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 22:15:34,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 22:15:34,511 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 22:15:34,513 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 22:15:34,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2024-12-16 22:15:34,514 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2024-12-16 22:15:34,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 22:15:34,538 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 22:15:34,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 22:15:34,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 22:15:34,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 22:15:34,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,555 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,561 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 22:15:34,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 22:15:34,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 22:15:34,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 22:15:34,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 22:15:34,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,578 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 22:15:34,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 22:15:34,580 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 22:15:34,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 22:15:34,581 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/1) ... [2024-12-16 22:15:34,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 22:15:34,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:34,610 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) [2024-12-16 22:15:34,612 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 [2024-12-16 22:15:34,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 22:15:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 22:15:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 22:15:34,634 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 22:15:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 22:15:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 22:15:34,635 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 22:15:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 22:15:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 22:15:34,635 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 22:15:34,672 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 22:15:34,674 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 22:15:34,762 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 22:15:34,763 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 22:15:34,817 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 22:15:34,817 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-16 22:15:34,818 INFO L201 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:15:34 BoogieIcfgContainer [2024-12-16 22:15:34,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 22:15:34,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 22:15:34,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 22:15:34,826 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 22:15:34,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 10:15:34" (1/2) ... [2024-12-16 22:15:34,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52e9dc4 and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 10:15:34, skipping insertion in model container [2024-12-16 22:15:34,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 10:15:34" (2/2) ... [2024-12-16 22:15:34,829 INFO L128 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2024-12-16 22:15:34,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 22:15:34,845 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-3.wvr.bpl that has 3 procedures, 13 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-16 22:15:34,845 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 22:15:34,886 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-12-16 22:15:34,947 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 22:15:34,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 22:15:34,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:34,950 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) [2024-12-16 22:15:34,951 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 [2024-12-16 22:15:34,996 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 22:15:35,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 22:15:35,024 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;@6621c274, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 22:15:35,024 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-12-16 22:15:35,089 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:35,091 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:35,091 INFO L139 ounterexampleChecker]: Examining path program with hash -376467623, occurence #1 [2024-12-16 22:15:35,091 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 22:15:35,091 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:35,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:35,095 INFO L85 PathProgramCache]: Analyzing trace with hash 62410715, now seen corresponding path program 1 times [2024-12-16 22:15:35,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:35,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864440257] [2024-12-16 22:15:35,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 22:15:35,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:35,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:35,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:35,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864440257] [2024-12-16 22:15:35,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864440257] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 22:15:35,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 22:15:35,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-16 22:15:35,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535618701] [2024-12-16 22:15:35,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 22:15:35,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-16 22:15:35,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:35,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-16 22:15:35,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-16 22:15:35,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,312 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:35,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-12-16 22:15:35,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:35,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 22:15:35,359 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:35,359 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:35,360 INFO L139 ounterexampleChecker]: Examining path program with hash -376467623, occurence #2 [2024-12-16 22:15:35,360 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:35,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-12-16 22:15:35,360 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:35,360 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-16 22:15:35,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:35,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-16 22:15:35,361 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:35,361 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:35,361 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:35,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:35,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1935456990, now seen corresponding path program 1 times [2024-12-16 22:15:35,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:35,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019154088] [2024-12-16 22:15:35,362 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 22:15:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:35,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:35,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019154088] [2024-12-16 22:15:35,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019154088] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 22:15:35,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 22:15:35,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-16 22:15:35,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555405541] [2024-12-16 22:15:35,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 22:15:35,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-16 22:15:35,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:35,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-16 22:15:35,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-16 22:15:35,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:35,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-16 22:15:35,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:35,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:35,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:35,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-16 22:15:35,572 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:35,572 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:35,572 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #1 [2024-12-16 22:15:35,572 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 22:15:35,572 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:35,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:35,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1646373348, now seen corresponding path program 1 times [2024-12-16 22:15:35,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:35,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720319977] [2024-12-16 22:15:35,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 22:15:35,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:35,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:35,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720319977] [2024-12-16 22:15:35,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720319977] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 22:15:35,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 22:15:35,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-16 22:15:35,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775275654] [2024-12-16 22:15:35,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 22:15:35,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-16 22:15:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:35,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-16 22:15:35,649 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-16 22:15:35,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,649 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:35,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) [2024-12-16 22:15:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:35,650 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:35,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:35,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-16 22:15:35,701 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:35,701 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:35,701 INFO L139 ounterexampleChecker]: Examining path program with hash -1228174138, occurence #1 [2024-12-16 22:15:35,701 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-16 22:15:35,701 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:35,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:35,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1389338749, now seen corresponding path program 1 times [2024-12-16 22:15:35,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:35,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158139935] [2024-12-16 22:15:35,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 22:15:35,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:35,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:35,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158139935] [2024-12-16 22:15:35,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158139935] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:35,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555555436] [2024-12-16 22:15:35,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 22:15:35,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:35,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:35,824 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) [2024-12-16 22:15:35,825 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 [2024-12-16 22:15:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:35,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-16 22:15:35,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:35,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:35,958 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:36,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:36,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555555436] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:36,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:36,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-12-16 22:15:36,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316587610] [2024-12-16 22:15:36,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:36,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-16 22:15:36,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:36,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-16 22:15:36,006 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-16 22:15:36,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:36,006 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:36,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 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) [2024-12-16 22:15:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:36,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:36,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:36,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-16 22:15:36,283 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 [2024-12-16 22:15:36,283 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:36,283 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:36,284 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #2 [2024-12-16 22:15:36,284 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:36,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-12-16 22:15:36,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:36,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-16 22:15:36,284 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:36,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-16 22:15:36,284 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:36,284 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:36,284 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:36,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:36,285 INFO L85 PathProgramCache]: Analyzing trace with hash 95808559, now seen corresponding path program 2 times [2024-12-16 22:15:36,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:36,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251209312] [2024-12-16 22:15:36,285 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 22:15:36,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:36,296 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 22:15:36,296 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:36,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251209312] [2024-12-16 22:15:36,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251209312] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:36,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083786852] [2024-12-16 22:15:36,403 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 22:15:36,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:36,405 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) [2024-12-16 22:15:36,407 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 [2024-12-16 22:15:36,433 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 22:15:36,433 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:36,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 22:15:36,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:36,557 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 22:15:36,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2024-12-16 22:15:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:36,588 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:36,744 INFO L349 Elim1Store]: treesize reduction 15, result has 87.6 percent of original size [2024-12-16 22:15:36,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 15 case distinctions, treesize of input 15 treesize of output 125 [2024-12-16 22:15:37,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:37,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083786852] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:37,133 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:37,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 10 [2024-12-16 22:15:37,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236033595] [2024-12-16 22:15:37,134 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:37,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-16 22:15:37,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:37,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-16 22:15:37,134 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-12-16 22:15:37,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:37,135 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:37,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.090909090909091) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 22:15:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:37,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:37,254 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 [2024-12-16 22:15:37,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:37,448 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:37,448 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:37,448 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #3 [2024-12-16 22:15:37,448 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:37,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-12-16 22:15:37,448 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:37,448 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-16 22:15:37,448 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:37,449 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-16 22:15:37,449 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:37,449 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:37,449 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:37,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:37,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1303680934, now seen corresponding path program 3 times [2024-12-16 22:15:37,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:37,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785287659] [2024-12-16 22:15:37,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 22:15:37,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:37,458 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 22:15:37,458 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:37,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:37,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:37,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785287659] [2024-12-16 22:15:37,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785287659] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:37,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294215164] [2024-12-16 22:15:37,548 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 22:15:37,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:37,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:37,552 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) [2024-12-16 22:15:37,554 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 [2024-12-16 22:15:37,585 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 22:15:37,586 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:37,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-16 22:15:37,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:37,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:37,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:37,722 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:37,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294215164] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:37,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:37,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-12-16 22:15:37,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380489833] [2024-12-16 22:15:37,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:37,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-16 22:15:37,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:37,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-16 22:15:37,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2024-12-16 22:15:37,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:37,724 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:37,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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) [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:37,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:37,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:37,879 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-16 22:15:38,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:38,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:38,072 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:38,072 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #4 [2024-12-16 22:15:38,072 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:38,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2024-12-16 22:15:38,073 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:38,073 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-16 22:15:38,073 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:38,073 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:38,073 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:38,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:38,073 INFO L85 PathProgramCache]: Analyzing trace with hash 467758552, now seen corresponding path program 4 times [2024-12-16 22:15:38,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:38,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971224870] [2024-12-16 22:15:38,073 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 22:15:38,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:38,083 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 22:15:38,084 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:38,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:38,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:38,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971224870] [2024-12-16 22:15:38,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971224870] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:38,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560995834] [2024-12-16 22:15:38,186 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 22:15:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:38,189 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) [2024-12-16 22:15:38,191 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 [2024-12-16 22:15:38,218 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 22:15:38,219 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:38,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-16 22:15:38,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:38,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:38,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:38,406 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:38,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560995834] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:38,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:38,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2024-12-16 22:15:38,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959142660] [2024-12-16 22:15:38,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:38,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-16 22:15:38,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:38,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-16 22:15:38,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-12-16 22:15:38,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:38,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:38,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 12 states have internal predecessors, (25), 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) [2024-12-16 22:15:38,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:38,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:38,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-16 22:15:38,568 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-16 22:15:38,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:38,764 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:38,764 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:38,764 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #5 [2024-12-16 22:15:38,764 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:38,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2024-12-16 22:15:38,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:38,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-16 22:15:38,764 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:38,764 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-16 22:15:38,764 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:38,764 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:38,764 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:38,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:38,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1636834257, now seen corresponding path program 5 times [2024-12-16 22:15:38,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:38,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330007516] [2024-12-16 22:15:38,765 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 22:15:38,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:38,778 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 22:15:38,778 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:38,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:38,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330007516] [2024-12-16 22:15:38,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330007516] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:38,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553683188] [2024-12-16 22:15:38,870 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 22:15:38,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:38,872 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) [2024-12-16 22:15:38,874 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 [2024-12-16 22:15:38,901 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 22:15:38,901 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:38,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-16 22:15:38,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:39,011 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:39,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553683188] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:39,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:39,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-12-16 22:15:39,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663868651] [2024-12-16 22:15:39,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:39,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-16 22:15:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:39,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-16 22:15:39,139 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-12-16 22:15:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:39,139 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:39,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 20 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 22:15:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:39,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-12-16 22:15:39,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:39,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:39,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:15:39,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-16 22:15:39,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:39,779 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:39,779 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:39,779 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #6 [2024-12-16 22:15:39,779 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:39,779 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-12-16 22:15:39,780 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:39,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-16 22:15:39,780 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:39,780 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-16 22:15:39,780 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:39,780 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:39,780 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:39,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:39,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1718763697, now seen corresponding path program 6 times [2024-12-16 22:15:39,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:39,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993000039] [2024-12-16 22:15:39,780 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 22:15:39,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:39,787 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-16 22:15:39,787 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:39,897 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:39,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:39,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993000039] [2024-12-16 22:15:39,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993000039] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:39,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454401658] [2024-12-16 22:15:39,897 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 22:15:39,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:39,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:39,900 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) [2024-12-16 22:15:39,902 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 [2024-12-16 22:15:39,933 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-12-16 22:15:39,933 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:39,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-16 22:15:39,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:40,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 22:15:40,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2024-12-16 22:15:40,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:40,392 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:41,112 INFO L349 Elim1Store]: treesize reduction 30, result has 94.3 percent of original size [2024-12-16 22:15:41,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 27 treesize of output 542 [2024-12-16 22:15:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:47,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454401658] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:47,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:47,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 9] total 18 [2024-12-16 22:15:47,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16087060] [2024-12-16 22:15:47,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:47,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-16 22:15:47,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:47,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-16 22:15:47,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2024-12-16 22:15:47,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:47,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:47,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 18 states have internal predecessors, (32), 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) [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:15:47,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:47,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:15:47,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:15:47,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-12-16 22:15:47,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:47,731 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:47,731 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:47,731 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #7 [2024-12-16 22:15:47,731 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:47,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-12-16 22:15:47,731 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:47,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-12-16 22:15:47,731 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:47,731 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-16 22:15:47,731 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:47,731 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:47,731 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:47,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:47,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1763288088, now seen corresponding path program 7 times [2024-12-16 22:15:47,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:47,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137382700] [2024-12-16 22:15:47,732 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 22:15:47,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:47,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:47,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137382700] [2024-12-16 22:15:47,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137382700] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:47,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301729524] [2024-12-16 22:15:47,856 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 22:15:47,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:47,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:47,858 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) [2024-12-16 22:15:47,860 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 [2024-12-16 22:15:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:15:47,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-16 22:15:47,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:47,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:47,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:48,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301729524] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:48,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:48,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 18 [2024-12-16 22:15:48,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29065253] [2024-12-16 22:15:48,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:48,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-16 22:15:48,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:48,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-16 22:15:48,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2024-12-16 22:15:48,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:48,036 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:48,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.631578947368421) internal successors, (31), 18 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:15:48,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:48,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:15:48,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:15:48,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-16 22:15:48,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:48,506 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:48,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:48,506 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #8 [2024-12-16 22:15:48,506 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:48,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-12-16 22:15:48,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:48,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-16 22:15:48,507 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:48,507 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-16 22:15:48,507 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:48,508 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:48,508 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:48,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:48,508 INFO L85 PathProgramCache]: Analyzing trace with hash -460861613, now seen corresponding path program 8 times [2024-12-16 22:15:48,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:48,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616744670] [2024-12-16 22:15:48,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 22:15:48,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:48,518 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 22:15:48,519 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:48,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616744670] [2024-12-16 22:15:48,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616744670] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [613454400] [2024-12-16 22:15:48,732 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 22:15:48,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:48,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:48,734 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:15:48,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-12-16 22:15:48,761 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 22:15:48,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:48,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-16 22:15:48,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:48,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:51,407 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:51,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [613454400] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:15:51,407 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:15:51,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2024-12-16 22:15:51,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338086186] [2024-12-16 22:15:51,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:15:51,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-12-16 22:15:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:15:51,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-12-16 22:15:51,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2024-12-16 22:15:51,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:51,409 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:15:51,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 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) [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:15:51,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:15:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:15:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:15:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:15:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:15:51,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 22:15:51,764 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-12-16 22:15:51,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:51,959 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:15:51,960 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:15:51,960 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #9 [2024-12-16 22:15:51,960 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:15:51,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2024-12-16 22:15:51,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:51,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-16 22:15:51,960 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:15:51,960 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 22:15:51,960 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:15:51,960 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:15:51,960 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:15:51,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:15:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash 172694451, now seen corresponding path program 9 times [2024-12-16 22:15:51,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:15:51,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593389475] [2024-12-16 22:15:51,960 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 22:15:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:15:51,969 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 22:15:51,969 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:52,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:15:52,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593389475] [2024-12-16 22:15:52,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593389475] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:15:52,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624488796] [2024-12-16 22:15:52,151 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 22:15:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:15:52,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:15:52,153 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:15:52,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-16 22:15:52,180 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-16 22:15:52,180 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:15:52,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-16 22:15:52,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:15:52,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 22:15:52,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2024-12-16 22:15:53,321 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:15:53,321 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:15:55,607 INFO L349 Elim1Store]: treesize reduction 45, result has 96.3 percent of original size [2024-12-16 22:15:55,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 39 treesize of output 1247 [2024-12-16 22:16:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:44,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624488796] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:16:44,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:16:44,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 14, 13] total 26 [2024-12-16 22:16:44,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911631928] [2024-12-16 22:16:44,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:16:44,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-16 22:16:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:16:44,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-16 22:16:44,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=625, Unknown=0, NotChecked=0, Total=702 [2024-12-16 22:16:44,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:44,037 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:16:44,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.5185185185185186) internal successors, (41), 26 states have internal predecessors, (41), 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) [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:44,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:44,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 22:16:44,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:44,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-12-16 22:16:44,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:44,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-16 22:16:44,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:44,514 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:16:44,514 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:16:44,514 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #10 [2024-12-16 22:16:44,515 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:16:44,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-16 22:16:44,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:44,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-16 22:16:44,515 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:16:44,515 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-16 22:16:44,515 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:44,515 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:16:44,515 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:16:44,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:16:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1079781718, now seen corresponding path program 10 times [2024-12-16 22:16:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:16:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010407058] [2024-12-16 22:16:44,515 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 22:16:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:16:44,522 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 22:16:44,522 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:44,649 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:44,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:16:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010407058] [2024-12-16 22:16:44,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010407058] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:16:44,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786686793] [2024-12-16 22:16:44,650 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 22:16:44,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:44,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:16:44,652 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:16:44,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-16 22:16:44,683 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 22:16:44,683 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:44,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 22:16:44,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:16:44,715 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:44,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:16:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 21 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:44,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786686793] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:16:44,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:16:44,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 24 [2024-12-16 22:16:44,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130745784] [2024-12-16 22:16:44,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:16:44,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-12-16 22:16:44,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:16:44,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-12-16 22:16:44,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2024-12-16 22:16:44,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:44,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:16:44,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.48) internal successors, (37), 24 states have internal predecessors, (37), 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) [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:16:44,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-12-16 22:16:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:44,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:45,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:16:45,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-16 22:16:45,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-16 22:16:45,487 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:16:45,488 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:16:45,488 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #11 [2024-12-16 22:16:45,488 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:16:45,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-12-16 22:16:45,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:45,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2024-12-16 22:16:45,488 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:16:45,488 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-12-16 22:16:45,488 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:45,488 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:16:45,488 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:16:45,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:16:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1012350932, now seen corresponding path program 11 times [2024-12-16 22:16:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:16:45,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688672866] [2024-12-16 22:16:45,489 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 22:16:45,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:16:45,495 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-16 22:16:45,495 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:45,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:16:45,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688672866] [2024-12-16 22:16:45,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688672866] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:16:45,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195273411] [2024-12-16 22:16:45,636 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 22:16:45,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:45,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:16:45,638 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:16:45,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-16 22:16:45,673 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-12-16 22:16:45,673 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:45,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-16 22:16:45,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:16:45,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:45,704 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:16:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:45,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195273411] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:16:45,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:16:45,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 23 [2024-12-16 22:16:45,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887208005] [2024-12-16 22:16:45,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:16:45,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-12-16 22:16:45,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:16:45,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-12-16 22:16:45,942 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=379, Unknown=0, NotChecked=0, Total=552 [2024-12-16 22:16:45,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:45,942 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:16:45,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:45,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:45,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 22:16:45,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:45,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:16:45,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:46,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:16:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-12-16 22:16:46,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-12-16 22:16:46,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-16 22:16:46,351 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:16:46,351 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:16:46,351 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #12 [2024-12-16 22:16:46,351 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:16:46,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-16 22:16:46,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:46,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 22:16:46,351 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:16:46,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-16 22:16:46,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:46,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:16:46,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:16:46,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:16:46,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1339328853, now seen corresponding path program 12 times [2024-12-16 22:16:46,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:16:46,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336649161] [2024-12-16 22:16:46,352 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 22:16:46,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:16:46,364 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-16 22:16:46,364 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-16 22:16:46,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:16:46,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336649161] [2024-12-16 22:16:46,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336649161] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:16:46,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894769343] [2024-12-16 22:16:46,489 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-16 22:16:46,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:46,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:16:46,491 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:16:46,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-16 22:16:46,519 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-12-16 22:16:46,519 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 22:16:46,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-16 22:16:46,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:16:46,723 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:46,724 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:16:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:46,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894769343] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 22:16:46,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 22:16:46,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 16, 16] total 37 [2024-12-16 22:16:46,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303266964] [2024-12-16 22:16:46,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 22:16:46,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-12-16 22:16:46,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 22:16:46,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-12-16 22:16:46,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=1147, Unknown=0, NotChecked=0, Total=1406 [2024-12-16 22:16:46,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:46,969 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 22:16:46,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 37 states have internal predecessors, (56), 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) [2024-12-16 22:16:46,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:46,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-12-16 22:16:46,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-16 22:16:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 22:16:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-16 22:16:47,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-12-16 22:16:47,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-16 22:16:47,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:47,756 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-12-16 22:16:47,756 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-16 22:16:47,757 INFO L139 ounterexampleChecker]: Examining path program with hash -1059921706, occurence #13 [2024-12-16 22:16:47,757 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-16 22:16:47,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-12-16 22:16:47,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:47,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2024-12-16 22:16:47,757 WARN L190 ounterexampleChecker]: Statements were already independent. [2024-12-16 22:16:47,757 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-12-16 22:16:47,757 INFO L209 ounterexampleChecker]: No commutativity condition found. [2024-12-16 22:16:47,757 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-12-16 22:16:47,757 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-16 22:16:47,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 22:16:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash -716088011, now seen corresponding path program 13 times [2024-12-16 22:16:47,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 22:16:47,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898873164] [2024-12-16 22:16:47,758 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 22:16:47,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 22:16:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:16:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:16:47,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 22:16:47,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898873164] [2024-12-16 22:16:47,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898873164] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 22:16:47,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880856929] [2024-12-16 22:16:47,974 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-16 22:16:47,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 22:16:47,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 22:16:47,976 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 22:16:47,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-12-16 22:16:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 22:16:48,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-16 22:16:48,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 22:17:36,412 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 22:17:36,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2024-12-16 22:17:37,983 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 22:17:37,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 22:17:44,206 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification. DAG size of input: 1153 DAG size of output: 1117 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-12-16 22:17:44,207 INFO L349 Elim1Store]: treesize reduction 60, result has 97.3 percent of original size [2024-12-16 22:17:44,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 46 new quantified variables, introduced 276 case distinctions, treesize of input 51 treesize of output 2240 [2024-12-16 22:21:39,418 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-12-16 22:21:39,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-12-16 22:21:39,419 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-12-16 22:21:39,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-12-16 22:21:39,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-16 22:21:39,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 22:21:39,626 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2024-12-16 22:21:39,632 INFO L158 Benchmark]: Toolchain (without parser) took 365093.85ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 100.4MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.1GB. Max. memory is 16.0GB. [2024-12-16 22:21:39,632 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:21:39,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.25ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:21:39,632 INFO L158 Benchmark]: Boogie Preprocessor took 16.46ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 22:21:39,632 INFO L158 Benchmark]: RCFGBuilder took 237.87ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 87.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-16 22:21:39,633 INFO L158 Benchmark]: TraceAbstraction took 364809.54ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 87.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. [2024-12-16 22:21:39,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.25ms. Allocated memory is still 167.8MB. Free memory is still 101.4MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 23.25ms. Allocated memory is still 167.8MB. Free memory was 100.4MB in the beginning and 98.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 16.46ms. Allocated memory is still 167.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 237.87ms. Allocated memory is still 167.8MB. Free memory was 98.6MB in the beginning and 87.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 364809.54ms. Allocated memory was 167.8MB in the beginning and 1.8GB in the end (delta: 1.6GB). Free memory was 87.6MB in the beginning and 1.6GB in the end (delta: -1.5GB). Peak memory consumption was 1.0GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...