/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 SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 09:18:12,654 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 09:18:12,702 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-25 09:18:12,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 09:18:12,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 09:18:12,727 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 09:18:12,727 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 09:18:12,728 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 09:18:12,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 09:18:12,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 09:18:12,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 09:18:12,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 09:18:12,728 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 09:18:12,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 09:18:12,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 09:18:12,730 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 09:18:12,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 09:18:12,730 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 09:18:12,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 09:18:12,731 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 09:18:12,731 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 -> SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-04-25 09:18:12,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 09:18:12,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 09:18:12,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 09:18:12,964 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 09:18:12,966 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 09:18:12,967 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl [2025-04-25 09:18:12,967 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/bench/exp2x6.wvr.bpl' [2025-04-25 09:18:12,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 09:18:12,985 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 09:18:12,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 09:18:12,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 09:18:12,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 09:18:12,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,021 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 09:18:13,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 09:18:13,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 09:18:13,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 09:18:13,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 09:18:13,028 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,028 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 09:18:13,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 09:18:13,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 09:18:13,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 09:18:13,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/1) ... [2025-04-25 09:18:13,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 09:18:13,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 09:18:13,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-25 09:18:13,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-25 09:18:13,097 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 09:18:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 09:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 09:18:13,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 09:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 09:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 09:18:13,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 09:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 09:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 09:18:13,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 09:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 09:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 09:18:13,098 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-25 09:18:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-25 09:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-25 09:18:13,099 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-25 09:18:13,135 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 09:18:13,137 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 09:18:13,251 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 09:18:13,251 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 09:18:13,263 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 09:18:13,263 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 09:18:13,263 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 09:18:13 BoogieIcfgContainer [2025-04-25 09:18:13,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 09:18:13,266 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 09:18:13,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 09:18:13,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 09:18:13,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 09:18:12" (1/2) ... [2025-04-25 09:18:13,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3cc56056 and model type exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 09:18:13, skipping insertion in model container [2025-04-25 09:18:13,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 09:18:13" (2/2) ... [2025-04-25 09:18:13,272 INFO L128 eAbstractionObserver]: Analyzing ICFG exp2x6.wvr.bpl [2025-04-25 09:18:13,282 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 09:18:13,284 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG exp2x6.wvr.bpl that has 5 procedures, 42 locations, 41 edges, 1 initial locations, 4 loop locations, and 1 error locations. [2025-04-25 09:18:13,284 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 09:18:13,342 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-25 09:18:13,384 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 09:18:13,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 09:18:13,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 09:18:13,388 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-25 09:18:13,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-25 09:18:13,442 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 09:18:13,465 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 09:18:13,470 INFO L340 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;@6d4ba11c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 09:18:13,470 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-25 09:18:13,547 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:13,547 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:13,547 INFO L139 ounterexampleChecker]: Examining path program with hash -1047417881, occurence #1 [2025-04-25 09:18:13,547 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:13,547 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:13,551 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:13,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1474203143, now seen corresponding path program 1 times [2025-04-25 09:18:13,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:13,558 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171997486] [2025-04-25 09:18:13,558 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:13,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-04-25 09:18:13,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-04-25 09:18:13,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:13,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:13,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:13,689 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171997486] [2025-04-25 09:18:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171997486] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:13,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:13,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-25 09:18:13,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693238707] [2025-04-25 09:18:13,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:13,697 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-25 09:18:13,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:13,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-25 09:18:13,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-25 09:18:13,734 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:13,735 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:13,736 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 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) [2025-04-25 09:18:13,736 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:13,818 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:13,818 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 09:18:13,818 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:13,819 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:13,819 INFO L139 ounterexampleChecker]: Examining path program with hash 58291827, occurence #1 [2025-04-25 09:18:13,819 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:13,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:13,819 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:13,819 INFO L85 PathProgramCache]: Analyzing trace with hash 219670675, now seen corresponding path program 1 times [2025-04-25 09:18:13,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:13,819 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870360602] [2025-04-25 09:18:13,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:13,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:13,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 09:18:13,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 09:18:13,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:13,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:13,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:13,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:13,948 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870360602] [2025-04-25 09:18:13,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870360602] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:13,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:13,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 09:18:13,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390977798] [2025-04-25 09:18:13,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:13,949 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 09:18:13,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:13,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 09:18:13,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-25 09:18:13,949 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:13,952 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:13,952 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:13,952 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:13,953 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:14,049 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:14,050 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:14,050 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 09:18:14,050 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:14,050 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:14,050 INFO L139 ounterexampleChecker]: Examining path program with hash -284048871, occurence #1 [2025-04-25 09:18:14,050 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:14,050 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:14,051 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:14,051 INFO L85 PathProgramCache]: Analyzing trace with hash -556104520, now seen corresponding path program 1 times [2025-04-25 09:18:14,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:14,051 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347304396] [2025-04-25 09:18:14,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:14,059 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 09:18:14,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 09:18:14,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:14,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:14,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:14,172 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347304396] [2025-04-25 09:18:14,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347304396] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:14,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:14,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 09:18:14,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556894748] [2025-04-25 09:18:14,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:14,173 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 09:18:14,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:14,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 09:18:14,174 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 09:18:14,174 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:14,174 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:14,174 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:14,174 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:14,174 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:14,174 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:14,294 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:14,295 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:14,295 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 09:18:14,295 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:14,295 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:14,295 INFO L139 ounterexampleChecker]: Examining path program with hash -43999088, occurence #1 [2025-04-25 09:18:14,295 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:14,295 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:14,296 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:14,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1448483296, now seen corresponding path program 1 times [2025-04-25 09:18:14,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:14,296 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712482596] [2025-04-25 09:18:14,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:14,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:14,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-25 09:18:14,319 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 09:18:14,319 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:14,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:14,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 09:18:14,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:14,536 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712482596] [2025-04-25 09:18:14,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712482596] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:14,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:14,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 09:18:14,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856080074] [2025-04-25 09:18:14,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:14,537 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 09:18:14,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:14,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 09:18:14,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-04-25 09:18:14,538 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:14,538 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:14,538 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:14,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:14,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:14,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:14,538 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:14,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:14,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:14,694 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:14,695 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:14,695 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 09:18:14,695 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:14,695 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:14,695 INFO L139 ounterexampleChecker]: Examining path program with hash 1061710620, occurence #1 [2025-04-25 09:18:14,695 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:14,695 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:14,695 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:14,696 INFO L85 PathProgramCache]: Analyzing trace with hash -180030260, now seen corresponding path program 2 times [2025-04-25 09:18:14,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:14,696 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679707098] [2025-04-25 09:18:14,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 09:18:14,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:14,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-04-25 09:18:14,714 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:14,714 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 09:18:14,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:14,823 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:14,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:14,824 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679707098] [2025-04-25 09:18:14,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679707098] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 09:18:14,824 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387601992] [2025-04-25 09:18:14,824 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 09:18:14,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 09:18:14,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 09:18:14,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 09:18:14,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-25 09:18:14,856 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-04-25 09:18:14,867 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:14,867 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 09:18:14,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:14,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 09:18:14,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 09:18:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:15,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-25 09:18:15,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387601992] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:15,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-25 09:18:15,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 13 [2025-04-25 09:18:15,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867825963] [2025-04-25 09:18:15,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:15,076 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-04-25 09:18:15,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:15,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-04-25 09:18:15,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-04-25 09:18:15,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:15,077 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:15,077 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 11 states have internal predecessors, (34), 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) [2025-04-25 09:18:15,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:15,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:15,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:15,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:15,077 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:15,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:15,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:15,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:15,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:15,352 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:15,358 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-25 09:18:15,552 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 09:18:15,553 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:15,553 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:15,553 INFO L139 ounterexampleChecker]: Examining path program with hash 1173914528, occurence #1 [2025-04-25 09:18:15,553 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:15,553 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:15,553 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:15,553 INFO L85 PathProgramCache]: Analyzing trace with hash -955805455, now seen corresponding path program 3 times [2025-04-25 09:18:15,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:15,554 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096281970] [2025-04-25 09:18:15,554 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 09:18:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:15,558 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 2 equivalence classes. [2025-04-25 09:18:15,564 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:15,564 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 09:18:15,564 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:15,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:15,644 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096281970] [2025-04-25 09:18:15,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096281970] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-25 09:18:15,644 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558659872] [2025-04-25 09:18:15,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 09:18:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 09:18:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 09:18:15,646 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-25 09:18:15,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-25 09:18:15,665 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 2 equivalence classes. [2025-04-25 09:18:15,673 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:15,673 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-25 09:18:15,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:15,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-25 09:18:15,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-25 09:18:15,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:15,875 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-25 09:18:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 09:18:15,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558659872] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-25 09:18:15,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-25 09:18:15,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 7] total 13 [2025-04-25 09:18:15,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722528892] [2025-04-25 09:18:15,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-25 09:18:15,968 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-25 09:18:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:15,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-25 09:18:15,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-04-25 09:18:15,968 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:15,968 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:15,969 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 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) [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:15,969 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,376 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-25 09:18:16,579 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-25 09:18:16,579 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:16,579 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:16,579 INFO L139 ounterexampleChecker]: Examining path program with hash 308907338, occurence #1 [2025-04-25 09:18:16,579 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:16,579 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:16,579 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:16,580 INFO L85 PathProgramCache]: Analyzing trace with hash 491082363, now seen corresponding path program 1 times [2025-04-25 09:18:16,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:16,580 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784013263] [2025-04-25 09:18:16,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:16,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:16,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 09:18:16,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 09:18:16,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:16,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:16,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:16,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784013263] [2025-04-25 09:18:16,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784013263] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:16,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:16,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-25 09:18:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965868033] [2025-04-25 09:18:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:16,610 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-25 09:18:16,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:16,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-25 09:18:16,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-25 09:18:16,611 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,611 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:16,611 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,611 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,677 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,678 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-25 09:18:16,678 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:16,678 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:16,678 INFO L139 ounterexampleChecker]: Examining path program with hash 988342414, occurence #1 [2025-04-25 09:18:16,678 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:16,678 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:16,679 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:16,679 INFO L85 PathProgramCache]: Analyzing trace with hash 720248976, now seen corresponding path program 1 times [2025-04-25 09:18:16,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:16,679 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860813616] [2025-04-25 09:18:16,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:16,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:16,681 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-25 09:18:16,682 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-25 09:18:16,682 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:16,682 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:16,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:16,723 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860813616] [2025-04-25 09:18:16,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860813616] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:16,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:16,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 09:18:16,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495557811] [2025-04-25 09:18:16,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:16,724 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 09:18:16,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:16,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 09:18:16,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 09:18:16,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,724 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:16,724 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:16,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,724 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,800 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,801 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,804 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,804 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-04-25 09:18:16,804 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:16,804 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:16,804 INFO L139 ounterexampleChecker]: Examining path program with hash 466419408, occurence #1 [2025-04-25 09:18:16,804 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:16,804 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:16,805 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:16,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1455613156, now seen corresponding path program 1 times [2025-04-25 09:18:16,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:16,805 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458347428] [2025-04-25 09:18:16,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:16,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:16,807 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-25 09:18:16,813 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-25 09:18:16,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:16,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:16,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:16,917 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458347428] [2025-04-25 09:18:16,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458347428] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:16,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:16,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 09:18:16,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315214922] [2025-04-25 09:18:16,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:16,918 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 09:18:16,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:16,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 09:18:16,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-04-25 09:18:16,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:16,918 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:16,918 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.142857142857143) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-25 09:18:16,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:16,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,918 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:16,919 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,074 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,074 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-04-25 09:18:17,075 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:17,075 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:17,075 INFO L139 ounterexampleChecker]: Examining path program with hash 638378832, occurence #1 [2025-04-25 09:18:17,075 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:17,075 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:17,075 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:17,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1061366924, now seen corresponding path program 2 times [2025-04-25 09:18:17,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:17,075 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845429975] [2025-04-25 09:18:17,075 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 09:18:17,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:17,078 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-04-25 09:18:17,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:17,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-25 09:18:17,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:17,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:17,157 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845429975] [2025-04-25 09:18:17,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845429975] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:17,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:17,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-25 09:18:17,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745222954] [2025-04-25 09:18:17,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:17,158 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 09:18:17,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:17,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 09:18:17,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-04-25 09:18:17,158 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:17,158 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:17,158 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2025-04-25 09:18:17,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:17,158 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,159 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,415 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 09:18:17,416 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-25 09:18:17,416 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:17,416 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:17,416 INFO L139 ounterexampleChecker]: Examining path program with hash -418019428, occurence #1 [2025-04-25 09:18:17,416 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:17,416 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:17,416 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:17,416 INFO L85 PathProgramCache]: Analyzing trace with hash 312398785, now seen corresponding path program 3 times [2025-04-25 09:18:17,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:17,416 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487158695] [2025-04-25 09:18:17,416 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 09:18:17,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:17,421 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 34 statements into 1 equivalence classes. [2025-04-25 09:18:17,424 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-04-25 09:18:17,424 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-25 09:18:17,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:17,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-25 09:18:17,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:17,508 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487158695] [2025-04-25 09:18:17,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487158695] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:17,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:17,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-25 09:18:17,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94202880] [2025-04-25 09:18:17,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:17,509 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 09:18:17,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:17,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 09:18:17,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-04-25 09:18:17,509 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:17,509 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:17,509 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 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) [2025-04-25 09:18:17,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:17,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,509 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 09:18:17,510 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:17,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:17,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,893 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-25 09:18:17,894 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-04-25 09:18:17,894 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-04-25 09:18:17,894 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-25 09:18:17,894 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-25 09:18:17,894 INFO L139 ounterexampleChecker]: Examining path program with hash -2133505317, occurence #1 [2025-04-25 09:18:17,894 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-25 09:18:17,894 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-25 09:18:17,895 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 09:18:17,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1872993081, now seen corresponding path program 1 times [2025-04-25 09:18:17,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 09:18:17,895 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818172182] [2025-04-25 09:18:17,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 09:18:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 09:18:17,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-25 09:18:17,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-25 09:18:17,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 09:18:17,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 09:18:18,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-25 09:18:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 09:18:18,117 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818172182] [2025-04-25 09:18:18,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818172182] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 09:18:18,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 09:18:18,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-04-25 09:18:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9140779] [2025-04-25 09:18:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 09:18:18,117 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-04-25 09:18:18,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 09:18:18,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-04-25 09:18:18,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-04-25 09:18:18,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:18,118 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 09:18:18,118 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 10 states have internal predecessors, (39), 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) [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-04-25 09:18:18,118 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-25 09:18:19,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-25 09:18:19,368 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2025-04-25 09:18:19,368 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-25 09:18:19,368 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-25 09:18:19,369 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2025-04-25 09:18:19,369 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2025-04-25 09:18:19,369 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-04-25 09:18:19,373 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 1, 1, 1, 1, 1, 1] [2025-04-25 09:18:19,374 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-25 09:18:19,374 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-25 09:18:19,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-25 09:18:19,382 INFO L201 PluginConnector]: Adding new model exp2x6.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.04 09:18:19 BasicIcfg [2025-04-25 09:18:19,383 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-25 09:18:19,383 INFO L158 Benchmark]: Toolchain (without parser) took 6397.75ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 100.8MB in the beginning and 46.4MB in the end (delta: 54.3MB). Peak memory consumption was 24.0MB. Max. memory is 16.0GB. [2025-04-25 09:18:19,383 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 09:18:19,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.42ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 98.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 09:18:19,384 INFO L158 Benchmark]: Boogie Preprocessor took 25.76ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 97.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. [2025-04-25 09:18:19,384 INFO L158 Benchmark]: RCFGBuilder took 214.15ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 88.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-04-25 09:18:19,384 INFO L158 Benchmark]: TraceAbstraction took 6116.36ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 86.9MB in the beginning and 46.4MB in the end (delta: 40.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.0GB. [2025-04-25 09:18:19,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 36.42ms. Allocated memory is still 167.8MB. Free memory was 100.8MB in the beginning and 98.5MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 25.76ms. Allocated memory is still 167.8MB. Free memory was 98.5MB in the beginning and 97.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 214.15ms. Allocated memory is still 167.8MB. Free memory was 97.4MB in the beginning and 88.0MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 6116.36ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 86.9MB in the beginning and 46.4MB in the end (delta: 40.4MB). Peak memory consumption was 15.7MB. 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: 26350, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 2177, dependent conditional: 2177, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1428, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1428, independent: 1425, independent conditional: 0, independent unconditional: 1425, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 24173, independent: 22745, independent conditional: 0, independent unconditional: 22745, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1428, unknown conditional: 0, unknown unconditional: 1428] , Statistics on independence cache: Total cache size (in pairs): 1428, Positive cache size: 1428, Positive conditional cache size: 0, Positive unconditional cache size: 1428, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22397, Maximal queried relation: 0, Independence queries for same thread: 2177, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 1061, Number of trivial persistent sets: 994, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1776, independent: 1776, independent conditional: 0, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26350, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 2177, dependent conditional: 2177, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 22397, independent unconditional: 1776, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 24173, independent: 24173, independent conditional: 0, independent unconditional: 24173, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1428, independent: 1428, independent conditional: 0, independent unconditional: 1428, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1428, independent: 1425, independent conditional: 0, independent unconditional: 1425, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 24173, independent: 22745, independent conditional: 0, independent unconditional: 22745, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1428, unknown conditional: 0, unknown unconditional: 1428] , Statistics on independence cache: Total cache size (in pairs): 1428, Positive cache size: 1428, Positive conditional cache size: 0, Positive unconditional cache size: 1428, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 22397, Maximal queried relation: 0, Independence queries for same thread: 2177 - PositiveResult [Line: 72]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 74 locations, 81 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 3.4s, 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: 126, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 416 NumberOfCodeBlocks, 416 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 435 ConstructedInterpolants, 0 QuantifiedInterpolants, 1897 SizeOfPredicates, 7 NumberOfNonLiveVariables, 170 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 9/26 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-25 09:18:19,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...