/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 19:34:36,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 19:34:36,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 19:34:36,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 19:34:36,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 19:34:36,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 19:34:36,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 19:34:36,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 19:34:36,224 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 19:34:36,224 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 19:34:36,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 19:34:36,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 19:34:36,224 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 19:34:36,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 19:34:36,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 19:34:36,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 19:34:36,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 19:34:36,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2025-01-22 19:34:36,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 19:34:36,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 19:34:36,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 19:34:36,471 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 19:34:36,473 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 19:34:36,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl [2025-01-22 19:34:36,474 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/nonblocking-counter-alt2.wvr.bpl' [2025-01-22 19:34:36,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 19:34:36,498 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 19:34:36,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 19:34:36,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 19:34:36,499 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 19:34:36,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,516 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 19:34:36,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 19:34:36,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 19:34:36,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 19:34:36,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 19:34:36,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,525 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,528 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,529 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 19:34:36,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 19:34:36,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 19:34:36,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 19:34:36,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/1) ... [2025-01-22 19:34:36,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 19:34:36,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:36,554 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 19:34:36,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 19:34:36,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 19:34:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 19:34:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 19:34:36,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 19:34:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 19:34:36,574 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 19:34:36,574 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 19:34:36,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 19:34:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 19:34:36,575 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 19:34:36,609 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 19:34:36,611 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 19:34:36,688 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 19:34:36,688 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 19:34:36,717 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 19:34:36,717 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 19:34:36,718 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 07:34:36 BoogieIcfgContainer [2025-01-22 19:34:36,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 19:34:36,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 19:34:36,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 19:34:36,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 19:34:36,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 07:34:36" (1/2) ... [2025-01-22 19:34:36,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62456acf and model type nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 07:34:36, skipping insertion in model container [2025-01-22 19:34:36,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 07:34:36" (2/2) ... [2025-01-22 19:34:36,728 INFO L128 eAbstractionObserver]: Analyzing ICFG nonblocking-counter-alt2.wvr.bpl [2025-01-22 19:34:36,742 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 19:34:36,743 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG nonblocking-counter-alt2.wvr.bpl that has 3 procedures, 15 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-22 19:34:36,744 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 19:34:36,771 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-22 19:34:36,803 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 19:34:36,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 19:34:36,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:36,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 19:34:36,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 19:34:36,858 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 19:34:36,867 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 19:34:36,873 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;@53506547, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 19:34:36,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-22 19:34:37,117 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:37,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:37,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1546716436, now seen corresponding path program 1 times [2025-01-22 19:34:37,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:37,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981119185] [2025-01-22 19:34:37,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 19:34:37,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:37,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-22 19:34:37,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-22 19:34:37,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 19:34:37,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:37,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:37,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:37,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981119185] [2025-01-22 19:34:37,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981119185] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 19:34:37,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 19:34:37,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 19:34:37,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045032153] [2025-01-22 19:34:37,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 19:34:37,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 19:34:37,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:34:37,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 19:34:37,275 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 19:34:37,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:37,276 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:34:37,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:34:37,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:37,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 19:34:37,307 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:37,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:37,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1617736656, now seen corresponding path program 1 times [2025-01-22 19:34:37,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:37,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731837488] [2025-01-22 19:34:37,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 19:34:37,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:37,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-22 19:34:37,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-22 19:34:37,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 19:34:37,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 19:34:37,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:37,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731837488] [2025-01-22 19:34:37,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731837488] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:34:37,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684967601] [2025-01-22 19:34:37,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 19:34:37,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:37,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:37,474 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:34:37,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 19:34:37,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-22 19:34:37,509 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-22 19:34:37,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 19:34:37,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:37,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-22 19:34:37,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:34:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:37,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:34:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:37,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684967601] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:34:37,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:34:37,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 12 [2025-01-22 19:34:37,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406698258] [2025-01-22 19:34:37,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:34:37,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-22 19:34:37,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:34:37,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-22 19:34:37,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2025-01-22 19:34:37,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:37,806 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:34:37,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:34:37,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:37,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:38,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:38,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:38,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 19:34:38,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:38,429 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:38,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:38,429 INFO L85 PathProgramCache]: Analyzing trace with hash 205173034, now seen corresponding path program 2 times [2025-01-22 19:34:38,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:38,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43739570] [2025-01-22 19:34:38,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 19:34:38,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:38,434 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-01-22 19:34:38,475 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-22 19:34:38,475 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 19:34:38,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:39,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:39,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43739570] [2025-01-22 19:34:39,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43739570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:34:39,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418958848] [2025-01-22 19:34:39,407 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 19:34:39,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:39,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:39,409 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:34:39,412 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 19:34:39,429 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 27 statements into 2 equivalence classes. [2025-01-22 19:34:39,437 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-22 19:34:39,438 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 19:34:39,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:39,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-22 19:34:39,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:34:39,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 19:34:39,774 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:34:40,118 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 19:34:40,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418958848] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:34:40,118 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:34:40,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 9] total 31 [2025-01-22 19:34:40,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702022740] [2025-01-22 19:34:40,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:34:40,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-01-22 19:34:40,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:34:40,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-01-22 19:34:40,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2025-01-22 19:34:40,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:40,120 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:34:40,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.21875) internal successors, (71), 31 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:34:40,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:40,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:40,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:42,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 19:34:42,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 19:34:42,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:42,508 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:42,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:42,508 INFO L85 PathProgramCache]: Analyzing trace with hash -76643364, now seen corresponding path program 3 times [2025-01-22 19:34:42,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:42,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238783810] [2025-01-22 19:34:42,508 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 19:34:42,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:42,512 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 7 equivalence classes. [2025-01-22 19:34:42,526 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 43 of 43 statements. [2025-01-22 19:34:42,526 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-22 19:34:42,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-01-22 19:34:42,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:42,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238783810] [2025-01-22 19:34:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238783810] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:34:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873603398] [2025-01-22 19:34:42,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 19:34:42,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:42,727 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:34:42,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 19:34:42,754 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 43 statements into 7 equivalence classes. [2025-01-22 19:34:42,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 43 of 43 statements. [2025-01-22 19:34:42,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-22 19:34:42,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:42,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-01-22 19:34:42,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:34:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 84 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 19:34:43,559 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:34:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 9 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:44,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873603398] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:34:44,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:34:44,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19, 20] total 43 [2025-01-22 19:34:44,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557581582] [2025-01-22 19:34:44,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:34:44,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-01-22 19:34:44,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:34:44,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-01-22 19:34:44,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=544, Invalid=1348, Unknown=0, NotChecked=0, Total=1892 [2025-01-22 19:34:44,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:44,750 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:34:44,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 2.2045454545454546) internal successors, (97), 43 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:34:44,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:44,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:44,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 19:34:44,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:34:46,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 19:34:46,085 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 19:34:46,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:46,280 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:46,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1776396868, now seen corresponding path program 4 times [2025-01-22 19:34:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:46,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134768280] [2025-01-22 19:34:46,281 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 19:34:46,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:46,284 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-01-22 19:34:46,298 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 19:34:46,298 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 19:34:46,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:47,010 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-22 19:34:47,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134768280] [2025-01-22 19:34:47,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134768280] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:34:47,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905847302] [2025-01-22 19:34:47,010 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 19:34:47,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:47,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:47,012 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:34:47,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 19:34:47,032 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 49 statements into 2 equivalence classes. [2025-01-22 19:34:47,047 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 19:34:47,047 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 19:34:47,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:47,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-22 19:34:47,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:34:47,677 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:47,677 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:34:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:34:50,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905847302] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:34:50,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:34:50,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 23] total 53 [2025-01-22 19:34:50,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383532040] [2025-01-22 19:34:50,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:34:50,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-22 19:34:50,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:34:50,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-22 19:34:50,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=501, Invalid=2361, Unknown=0, NotChecked=0, Total=2862 [2025-01-22 19:34:50,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:50,859 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:34:50,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.074074074074074) internal successors, (112), 53 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:34:50,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:50,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:50,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:34:50,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 19:34:50,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:34:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:34:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:34:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:34:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 19:34:57,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2025-01-22 19:34:57,122 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 19:34:57,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:57,317 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:34:57,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:34:57,317 INFO L85 PathProgramCache]: Analyzing trace with hash 807441590, now seen corresponding path program 5 times [2025-01-22 19:34:57,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:34:57,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064243128] [2025-01-22 19:34:57,317 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 19:34:57,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:34:57,322 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 89 statements into 20 equivalence classes. [2025-01-22 19:34:57,478 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 89 of 89 statements. [2025-01-22 19:34:57,478 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-01-22 19:34:57,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:59,354 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 56 proven. 223 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2025-01-22 19:34:59,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:34:59,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064243128] [2025-01-22 19:34:59,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064243128] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:34:59,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630894082] [2025-01-22 19:34:59,355 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 19:34:59,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:34:59,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:34:59,357 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:34:59,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 19:34:59,376 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 89 statements into 20 equivalence classes. [2025-01-22 19:34:59,428 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) and asserted 89 of 89 statements. [2025-01-22 19:34:59,428 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 20 check-sat command(s) [2025-01-22 19:34:59,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:34:59,430 WARN L254 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 122 conjuncts are in the unsatisfiable core [2025-01-22 19:34:59,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:35:01,586 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 760 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 19:35:01,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:35:09,815 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 0 proven. 761 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:35:09,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630894082] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:35:09,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:35:09,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 41, 42] total 90 [2025-01-22 19:35:09,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341047242] [2025-01-22 19:35:09,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:35:09,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-01-22 19:35:09,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:35:09,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-01-22 19:35:09,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2163, Invalid=6027, Unknown=0, NotChecked=0, Total=8190 [2025-01-22 19:35:09,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:35:09,820 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:35:09,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 2.142857142857143) internal successors, (195), 90 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2025-01-22 19:35:09,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:35:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:35:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:35:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:35:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:35:19,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:35:19,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:35:19,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-22 19:35:19,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-01-22 19:35:19,588 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:35:19,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:35:19,588 INFO L85 PathProgramCache]: Analyzing trace with hash 970737332, now seen corresponding path program 6 times [2025-01-22 19:35:19,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:35:19,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081488072] [2025-01-22 19:35:19,588 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 19:35:19,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:35:19,594 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 139 statements into 30 equivalence classes. [2025-01-22 19:35:19,717 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) and asserted 139 of 139 statements. [2025-01-22 19:35:19,717 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2025-01-22 19:35:19,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:35:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 72 proven. 695 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2025-01-22 19:35:20,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:35:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081488072] [2025-01-22 19:35:20,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081488072] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:35:20,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735385177] [2025-01-22 19:35:20,715 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 19:35:20,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:35:20,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:35:20,717 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:35:20,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 19:35:20,742 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 139 statements into 30 equivalence classes. [2025-01-22 19:35:20,858 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) and asserted 139 of 139 statements. [2025-01-22 19:35:20,858 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 30 check-sat command(s) [2025-01-22 19:35:20,858 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:35:20,862 WARN L254 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 187 conjuncts are in the unsatisfiable core [2025-01-22 19:35:20,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:35:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 0 proven. 1801 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 19:35:24,981 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:35:56,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1811 backedges. 0 proven. 1802 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-22 19:35:56,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735385177] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:35:56,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:35:56,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 64, 65] total 135 [2025-01-22 19:35:56,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355340395] [2025-01-22 19:35:56,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:35:56,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2025-01-22 19:35:56,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:35:56,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2025-01-22 19:35:56,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4419, Invalid=13941, Unknown=0, NotChecked=0, Total=18360 [2025-01-22 19:35:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:35:56,336 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:35:56,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.0808823529411766) internal successors, (283), 135 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:35:56,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:37:10,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-22 19:37:10,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-22 19:37:10,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:37:10,664 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:37:10,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:37:10,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1213512338, now seen corresponding path program 7 times [2025-01-22 19:37:10,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:37:10,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189979931] [2025-01-22 19:37:10,665 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 19:37:10,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:37:10,671 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-01-22 19:37:10,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-01-22 19:37:10,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 19:37:10,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:37:18,301 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 126 proven. 1630 refuted. 0 times theorem prover too weak. 3654 trivial. 0 not checked. [2025-01-22 19:37:18,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:37:18,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189979931] [2025-01-22 19:37:18,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189979931] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:37:18,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448185799] [2025-01-22 19:37:18,301 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 19:37:18,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:37:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:37:18,303 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 19:37:18,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-22 19:37:18,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 221 statements into 1 equivalence classes. [2025-01-22 19:37:18,506 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 221 of 221 statements. [2025-01-22 19:37:18,507 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 19:37:18,507 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:37:18,515 WARN L254 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 323 conjuncts are in the unsatisfiable core [2025-01-22 19:37:18,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:37:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 0 proven. 5409 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 19:37:28,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:39:35,300 INFO L134 CoverageAnalysis]: Checked inductivity of 5410 backedges. 0 proven. 5410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 19:39:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448185799] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:39:35,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:39:35,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 109, 109] total 226 [2025-01-22 19:39:35,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375427973] [2025-01-22 19:39:35,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:39:35,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 227 states [2025-01-22 19:39:35,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:39:35,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 227 interpolants. [2025-01-22 19:39:35,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12500, Invalid=38802, Unknown=0, NotChecked=0, Total=51302 [2025-01-22 19:39:35,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:39:35,311 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:39:35,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 227 states, 227 states have (on average 2.0352422907488985) internal successors, (462), 226 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-22 19:39:35,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:40:12,251 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 2230 DAG size of output: 297 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:40:20,883 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 2297 DAG size of output: 471 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:40:27,992 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification. DAG size of input: 2225 DAG size of output: 292 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:40:49,878 WARN L286 SmtUtils]: Spent 8.76s on a formula simplification that was a NOOP. DAG size: 2295 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:41:02,556 WARN L286 SmtUtils]: Spent 8.88s on a formula simplification. DAG size of input: 2296 DAG size of output: 2293 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:41:03,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-01-22 19:41:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-01-22 19:41:03,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-22 19:41:03,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:41:03,362 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 19:41:03,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 19:41:03,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1432104462, now seen corresponding path program 8 times [2025-01-22 19:41:03,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 19:41:03,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572403610] [2025-01-22 19:41:03,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 19:41:03,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 19:41:03,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 237 statements into 2 equivalence classes. [2025-01-22 19:41:03,400 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 237 of 237 statements. [2025-01-22 19:41:03,400 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 19:41:03,400 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:41:06,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 141 proven. 1662 refuted. 0 times theorem prover too weak. 4098 trivial. 0 not checked. [2025-01-22 19:41:06,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 19:41:06,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572403610] [2025-01-22 19:41:06,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572403610] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 19:41:06,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932450359] [2025-01-22 19:41:06,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 19:41:06,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:41:06,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 19:41:06,387 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) [2025-01-22 19:41:06,388 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 [2025-01-22 19:41:06,420 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 237 statements into 2 equivalence classes. [2025-01-22 19:41:06,555 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 237 of 237 statements. [2025-01-22 19:41:06,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 19:41:06,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 19:41:06,559 WARN L254 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 333 conjuncts are in the unsatisfiable core [2025-01-22 19:41:06,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 19:41:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 0 proven. 5890 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-22 19:41:17,037 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 19:43:46,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 0 proven. 5892 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-22 19:43:46,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932450359] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 19:43:46,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 19:43:46,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 112, 114] total 233 [2025-01-22 19:43:46,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055206728] [2025-01-22 19:43:46,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 19:43:46,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 234 states [2025-01-22 19:43:46,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 19:43:46,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2025-01-22 19:43:46,017 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12913, Invalid=41609, Unknown=0, NotChecked=0, Total=54522 [2025-01-22 19:43:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:43:46,017 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 19:43:46,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 234 states, 234 states have (on average 2.0641025641025643) internal successors, (483), 233 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 19:43:46,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 19:43:46,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-01-22 19:43:46,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 19:43:46,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2025-01-22 19:43:46,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2025-01-22 19:43:46,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2025-01-22 19:43:46,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 188 states. [2025-01-22 19:43:46,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-01-22 19:43:46,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 19:44:30,592 WARN L286 SmtUtils]: Spent 7.46s on a formula simplification. DAG size of input: 2550 DAG size of output: 641 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:44:42,081 WARN L286 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 2551 DAG size of output: 642 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:44:52,148 WARN L286 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 2540 DAG size of output: 482 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:04,086 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 2452 DAG size of output: 473 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:16,804 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 2453 DAG size of output: 475 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:26,414 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 2438 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:37,836 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 2353 DAG size of output: 449 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:49,112 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 2354 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:45:58,033 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification. DAG size of input: 2340 DAG size of output: 443 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:08,776 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 2257 DAG size of output: 430 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:19,482 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 2258 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:28,116 WARN L286 SmtUtils]: Spent 5.52s on a formula simplification. DAG size of input: 2247 DAG size of output: 428 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:38,355 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification. DAG size of input: 2165 DAG size of output: 415 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:48,529 WARN L286 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 2166 DAG size of output: 417 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:46:56,719 WARN L286 SmtUtils]: Spent 5.21s on a formula simplification. DAG size of input: 2155 DAG size of output: 413 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:47:06,555 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 2077 DAG size of output: 400 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:47:16,442 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 2078 DAG size of output: 402 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-22 19:47:24,351 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification. DAG size of input: 2067 DAG size of output: 398 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2025-01-22 19:48:37,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-22 19:48:37,412 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 19:48:37,414 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 19:48:37,422 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 19:48:37,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 19:48:37,592 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-40-2-37-3-2-3-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-2-3-2-2-1 context. [2025-01-22 19:48:37,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2025-01-22 19:48:37,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-01-22 19:48:37,594 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-01-22 19:48:37,597 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1] [2025-01-22 19:48:37,600 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 19:48:37,600 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 19:48:37,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 19:48:37,608 INFO L201 PluginConnector]: Adding new model nonblocking-counter-alt2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 07:48:37 BasicIcfg [2025-01-22 19:48:37,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 19:48:37,609 INFO L158 Benchmark]: Toolchain (without parser) took 841110.93ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 80.4MB in the beginning and 657.9MB in the end (delta: -577.5MB). Peak memory consumption was 779.1MB. Max. memory is 16.0GB. [2025-01-22 19:48:37,609 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 19:48:37,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.22ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 19:48:37,609 INFO L158 Benchmark]: Boogie Preprocessor took 12.90ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.5MB in the end (delta: 665.2kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 19:48:37,610 INFO L158 Benchmark]: RCFGBuilder took 186.62ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 19:48:37,610 INFO L158 Benchmark]: TraceAbstraction took 840886.49ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 68.1MB in the beginning and 657.9MB in the end (delta: -589.8MB). Peak memory consumption was 770.7MB. Max. memory is 16.0GB. [2025-01-22 19:48:37,610 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 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.22ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 79.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 12.90ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.5MB in the end (delta: 665.2kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 186.62ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 68.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 840886.49ms. Allocated memory was 117.4MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 68.1MB in the beginning and 657.9MB in the end (delta: -589.8MB). Peak memory consumption was 770.7MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3710, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 1010, dependent conditional: 1008, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2719, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2719, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 0, independent unconditional: 2700, dependent: 110, dependent conditional: 91, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 0, independent unconditional: 2700, dependent: 110, dependent conditional: 91, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 111, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 111, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 683, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 655, dependent conditional: 484, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2810, independent: 2620, independent conditional: 0, independent unconditional: 2620, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 111, unknown conditional: 29, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 31, Negative conditional cache size: 29, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2629, Maximal queried relation: 8, Independence queries for same thread: 991, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 22, Number of trivial persistent sets: 18, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3710, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 1010, dependent conditional: 1008, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2719, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2719, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 19, dependent conditional: 17, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 2612, independent unconditional: 88, dependent: 110, dependent conditional: 108, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 0, independent unconditional: 2700, dependent: 110, dependent conditional: 91, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2810, independent: 2700, independent conditional: 0, independent unconditional: 2700, dependent: 110, dependent conditional: 91, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 111, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 111, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 32, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 31, dependent conditional: 29, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 683, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 655, dependent conditional: 484, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2810, independent: 2620, independent conditional: 0, independent unconditional: 2620, dependent: 79, dependent conditional: 62, dependent unconditional: 17, unknown: 111, unknown conditional: 29, unknown unconditional: 82] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 31, Negative conditional cache size: 29, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2629, Maximal queried relation: 8, Independence queries for same thread: 991 - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-40-2-37-3-2-3-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-40-2-37-3-2-3-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-2-3-2-2-1 context. - TimeoutResultAtElement [Line: 46]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-40-2-37-3-2-3-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-2-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 23 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 840.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 473.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 928, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 364.3s InterpolantComputationTime, 1651 NumberOfCodeBlocks, 1651 NumberOfCodeBlocksAsserted, 129 NumberOfCheckSat, 2446 ConstructedInterpolants, 0 QuantifiedInterpolants, 234583 SizeOfPredicates, 46 NumberOfNonLiveVariables, 2086 ConjunctsInSsa, 1079 ConjunctsInUnsatCore, 25 InterpolantComputations, 1 PerfectInterpolantSequences, 9893/42519 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown