/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-42d8767-m [2025-04-25 07:20:45,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-25 07:20:45,801 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 07:20:45,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-25 07:20:45,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-25 07:20:45,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-25 07:20:45,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-25 07:20:45,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-25 07:20:45,819 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-25 07:20:45,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-25 07:20:45,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-25 07:20:45,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-25 07:20:45,819 INFO L153 SettingsManager]: * Use SBE=true [2025-04-25 07:20:45,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-25 07:20:45,820 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 07:20:45,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:20:45,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:20:45,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-25 07:20:45,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-25 07:20:45,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE 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 07:20:46,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-25 07:20:46,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-25 07:20:46,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-25 07:20:46,040 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-04-25 07:20:46,040 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-04-25 07:20:46,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl [2025-04-25 07:20:46,041 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/ticket-8.wvr.bpl' [2025-04-25 07:20:46,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-25 07:20:46,065 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-04-25 07:20:46,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-25 07:20:46,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-25 07:20:46,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-25 07:20:46,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,101 INFO L138 Inliner]: procedures = 9, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-04-25 07:20:46,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-25 07:20:46,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-25 07:20:46,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-25 07:20:46,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-25 07:20:46,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,109 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,112 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,117 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-25 07:20:46,128 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-25 07:20:46,128 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-25 07:20:46,128 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-25 07:20:46,129 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/1) ... [2025-04-25 07:20:46,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-25 07:20:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:20:46,152 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 07:20:46,154 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 07:20:46,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-04-25 07:20:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-25 07:20:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-25 07:20:46,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-04-25 07:20:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-25 07:20:46,170 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-25 07:20:46,170 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-04-25 07:20:46,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread7 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2025-04-25 07:20:46,171 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread8 given in one single declaration [2025-04-25 07:20:46,171 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2025-04-25 07:20:46,171 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2025-04-25 07:20:46,172 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 07:20:46,206 INFO L234 CfgBuilder]: Building ICFG [2025-04-25 07:20:46,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-25 07:20:46,343 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-25 07:20:46,343 INFO L283 CfgBuilder]: Performing block encoding [2025-04-25 07:20:46,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-25 07:20:46,362 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-25 07:20:46,363 INFO L201 PluginConnector]: Adding new model ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 07:20:46 BoogieIcfgContainer [2025-04-25 07:20:46,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-25 07:20:46,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-25 07:20:46,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-25 07:20:46,368 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-25 07:20:46,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.04 07:20:46" (1/2) ... [2025-04-25 07:20:46,369 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677192ac and model type ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.04 07:20:46, skipping insertion in model container [2025-04-25 07:20:46,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ticket-8.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.04 07:20:46" (2/2) ... [2025-04-25 07:20:46,370 INFO L128 eAbstractionObserver]: Analyzing ICFG ticket-8.wvr.bpl [2025-04-25 07:20:46,380 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-25 07:20:46,383 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ticket-8.wvr.bpl that has 9 procedures, 71 locations, 62 edges, 1 initial locations, 0 loop locations, and 1 error locations. [2025-04-25 07:20:46,384 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-25 07:20:46,450 INFO L143 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2025-04-25 07:20:46,483 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 07:20:46,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-25 07:20:46,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-25 07:20:46,487 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 07:20:46,488 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 07:20:46,544 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-25 07:20:46,552 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-25 07:20:46,558 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;@58ad22f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-25 07:20:46,558 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-25 07:20:47,044 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:20:47,048 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:20:47,048 INFO L85 PathProgramCache]: Analyzing trace with hash -2104885126, now seen corresponding path program 1 times [2025-04-25 07:20:47,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:20:47,054 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955114128] [2025-04-25 07:20:47,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-25 07:20:47,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:20:47,101 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-25 07:20:47,148 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:20:47,149 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-25 07:20:47,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:20:47,769 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 07:20:47,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:20:47,770 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955114128] [2025-04-25 07:20:47,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955114128] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:20:47,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:20:47,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 07:20:47,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598576026] [2025-04-25 07:20:47,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:20:47,778 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 07:20:47,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:20:47,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 07:20:47,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-04-25 07:20:47,797 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:20:47,799 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:20:47,801 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 07:20:47,801 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:22:38,815 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:22:38,816 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-25 07:22:38,816 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:22:38,817 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:22:38,817 INFO L85 PathProgramCache]: Analyzing trace with hash 684981180, now seen corresponding path program 2 times [2025-04-25 07:22:38,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:22:38,817 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997330910] [2025-04-25 07:22:38,817 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-25 07:22:38,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:22:38,825 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 60 statements into 1 equivalence classes. [2025-04-25 07:22:38,835 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:22:38,835 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-25 07:22:38,835 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:22:38,903 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 07:22:38,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:22:38,904 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997330910] [2025-04-25 07:22:38,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997330910] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:22:38,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:22:38,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-25 07:22:38,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813975635] [2025-04-25 07:22:38,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:22:38,905 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-25 07:22:38,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:22:38,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-25 07:22:38,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-25 07:22:38,905 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:22:38,908 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:22:38,909 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 4 states have internal predecessors, (60), 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 07:22:38,909 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:22:38,909 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:23:39,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:23:39,639 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:23:39,639 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-25 07:23:39,639 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:23:39,640 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:23:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1359980826, now seen corresponding path program 3 times [2025-04-25 07:23:39,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:23:39,640 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839264542] [2025-04-25 07:23:39,640 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-25 07:23:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:23:39,644 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 60 statements into 1 equivalence classes. [2025-04-25 07:23:39,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:23:39,650 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-04-25 07:23:39,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:23:39,695 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 07:23:39,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:23:39,695 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839264542] [2025-04-25 07:23:39,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839264542] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:23:39,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:23:39,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-25 07:23:39,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864136265] [2025-04-25 07:23:39,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:23:39,695 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-25 07:23:39,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:23:39,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-25 07:23:39,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-04-25 07:23:39,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:23:39,696 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:23:39,696 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 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 07:23:39,696 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:23:39,696 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:23:39,696 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:24:46,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:24:46,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:24:46,347 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:24:46,347 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-25 07:24:46,348 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:24:46,348 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:24:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash 10975762, now seen corresponding path program 4 times [2025-04-25 07:24:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:24:46,348 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595600439] [2025-04-25 07:24:46,348 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-25 07:24:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:24:46,356 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 60 statements into 2 equivalence classes. [2025-04-25 07:24:46,364 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:24:46,364 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-04-25 07:24:46,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:24:46,633 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 07:24:46,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:24:46,634 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595600439] [2025-04-25 07:24:46,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595600439] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:24:46,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:24:46,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-04-25 07:24:46,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040945516] [2025-04-25 07:24:46,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:24:46,634 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-25 07:24:46,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:24:46,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-25 07:24:46,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-04-25 07:24:46,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:24:46,635 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:24:46,635 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 6 states have internal predecessors, (60), 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 07:24:46,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:24:46,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:24:46,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:24:46,635 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:25:59,287 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:25:59,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:25:59,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:25:59,288 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 07:25:59,288 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-25 07:25:59,288 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:25:59,288 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:25:59,289 INFO L85 PathProgramCache]: Analyzing trace with hash -142382940, now seen corresponding path program 5 times [2025-04-25 07:25:59,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:25:59,289 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158387846] [2025-04-25 07:25:59,289 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-25 07:25:59,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:25:59,293 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 60 statements into 1 equivalence classes. [2025-04-25 07:25:59,297 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:25:59,298 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-25 07:25:59,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:25:59,366 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 07:25:59,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:25:59,366 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158387846] [2025-04-25 07:25:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158387846] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:25:59,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:25:59,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-25 07:25:59,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705353828] [2025-04-25 07:25:59,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:25:59,367 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-25 07:25:59,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:25:59,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-25 07:25:59,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-04-25 07:25:59,367 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:25:59,367 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:25:59,367 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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 07:25:59,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:25:59,367 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:25:59,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:25:59,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 07:25:59,368 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:27:28,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:27:28,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:27:28,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:27:28,984 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-25 07:27:28,985 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:27:28,985 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-25 07:27:28,985 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-25 07:27:28,985 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-25 07:27:28,985 INFO L85 PathProgramCache]: Analyzing trace with hash 189517520, now seen corresponding path program 6 times [2025-04-25 07:27:28,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-25 07:27:28,985 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694639317] [2025-04-25 07:27:28,985 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-25 07:27:28,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-25 07:27:28,992 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 60 statements into 1 equivalence classes. [2025-04-25 07:27:28,995 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-25 07:27:28,995 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2025-04-25 07:27:28,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-25 07:27:29,062 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 07:27:29,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-25 07:27:29,062 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694639317] [2025-04-25 07:27:29,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694639317] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-25 07:27:29,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-25 07:27:29,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-04-25 07:27:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469165780] [2025-04-25 07:27:29,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-25 07:27:29,062 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-04-25 07:27:29,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-25 07:27:29,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-04-25 07:27:29,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-04-25 07:27:29,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-25 07:27:29,063 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-25 07:27:29,063 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 8 states have internal predecessors, (60), 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 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-25 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-25 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-25 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-04-25 07:27:29,063 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.