/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 07:40:38,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 07:40:38,092 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 07:40:38,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 07:40:38,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 07:40:38,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 07:40:38,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 07:40:38,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 07:40:38,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 07:40:38,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 07:40:38,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 07:40:38,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 07:40:38,132 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 07:40:38,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 07:40:38,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 07:40:38,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 07:40:38,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 07:40:38,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 07:40:38,135 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 07:40:38,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 07:40:38,136 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 07:40:38,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 07:40:38,136 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 07:40:38,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 07:40:38,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 07:40:38,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 07:40:38,137 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 07:40:38,138 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-04 07:40:38,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 07:40:38,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 07:40:38,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 07:40:38,344 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 07:40:38,345 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 07:40:38,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2024-05-04 07:40:38,346 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2024-05-04 07:40:38,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 07:40:38,410 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 07:40:38,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 07:40:38,412 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 07:40:38,412 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 07:40:38,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,442 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 07:40:38,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 07:40:38,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 07:40:38,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 07:40:38,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 07:40:38,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,450 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,451 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 07:40:38,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 07:40:38,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 07:40:38,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 07:40:38,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/1) ... [2024-05-04 07:40:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 07:40:38,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:40:38,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 07:40:38,522 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 07:40:38,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 07:40:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 07:40:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 07:40:38,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 07:40:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 07:40:38,546 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 07:40:38,546 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 07:40:38,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 07:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 07:40:38,547 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-04 07:40:38,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 07:40:38,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 07:40:38,547 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 07:40:38,584 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 07:40:38,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 07:40:38,657 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 07:40:38,669 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 07:40:38,669 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 07:40:38,670 INFO L201 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:40:38 BoogieIcfgContainer [2024-05-04 07:40:38,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 07:40:38,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 07:40:38,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 07:40:38,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 07:40:38,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 07:40:38" (1/2) ... [2024-05-04 07:40:38,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd65e7 and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:40:38, skipping insertion in model container [2024-05-04 07:40:38,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:40:38" (2/2) ... [2024-05-04 07:40:38,702 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2024-05-04 07:40:38,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 07:40:38,715 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 07:40:38,715 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 07:40:38,715 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 07:40:38,742 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 07:40:38,772 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 07:40:38,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 07:40:38,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:40:38,775 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) [2024-05-04 07:40:38,778 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 [2024-05-04 07:40:38,804 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 07:40:38,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:40:38,815 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 07:40:38,820 INFO L357 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, mHoare=true, 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;@44742864, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 07:40:38,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 07:40:39,052 INFO L85 PathProgramCache]: Analyzing trace with hash -738655976, now seen corresponding path program 1 times [2024-05-04 07:40:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:39,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:39,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:39,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:39,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:39,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 07:40:39,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 07:40:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash -738655976, now seen corresponding path program 2 times [2024-05-04 07:40:39,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:39,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:39,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:39,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:39,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:39,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 07:40:39,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 07:40:39,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:40:39,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:40:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash -385570830, now seen corresponding path program 1 times [2024-05-04 07:40:39,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:40:39,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551170234] [2024-05-04 07:40:39,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:39,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:40:39,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551170234] [2024-05-04 07:40:39,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551170234] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 07:40:39,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 07:40:39,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 07:40:39,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200363509] [2024-05-04 07:40:39,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 07:40:39,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-04 07:40:39,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:40:39,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 07:40:39,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-04 07:40:39,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:39,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:40:39,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 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) [2024-05-04 07:40:39,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:39,990 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1298490335, now seen corresponding path program 1 times [2024-05-04 07:40:40,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,184 INFO L85 PathProgramCache]: Analyzing trace with hash -691482717, now seen corresponding path program 2 times [2024-05-04 07:40:40,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1270834982, now seen corresponding path program 1 times [2024-05-04 07:40:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1057385150, now seen corresponding path program 1 times [2024-05-04 07:40:40,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,557 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,728 INFO L85 PathProgramCache]: Analyzing trace with hash 781164454, now seen corresponding path program 1 times [2024-05-04 07:40:40,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:40,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:40,867 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:40,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1235942850, now seen corresponding path program 2 times [2024-05-04 07:40:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:40,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1769295253, now seen corresponding path program 1 times [2024-05-04 07:40:41,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,100 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2112318873, now seen corresponding path program 1 times [2024-05-04 07:40:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,200 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1590285636, now seen corresponding path program 1 times [2024-05-04 07:40:41,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 07:40:41,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-05-04 07:40:41,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1298490335, now seen corresponding path program 3 times [2024-05-04 07:40:41,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,576 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 07:40:41,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 07:40:41,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,668 INFO L85 PathProgramCache]: Analyzing trace with hash -691482717, now seen corresponding path program 4 times [2024-05-04 07:40:41,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:41,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1270834982, now seen corresponding path program 2 times [2024-05-04 07:40:41,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash 781164454, now seen corresponding path program 3 times [2024-05-04 07:40:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:41,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:41,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1235942850, now seen corresponding path program 4 times [2024-05-04 07:40:41,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:41,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:41,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:42,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1769295253, now seen corresponding path program 2 times [2024-05-04 07:40:42,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1589345778, now seen corresponding path program 1 times [2024-05-04 07:40:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,477 INFO L85 PathProgramCache]: Analyzing trace with hash -2025078787, now seen corresponding path program 1 times [2024-05-04 07:40:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2025078787, now seen corresponding path program 2 times [2024-05-04 07:40:42,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,532 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:40:42,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable4,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable21,SelfDestructingSolverStorable11,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable25,SelfDestructingSolverStorable15,SelfDestructingSolverStorable26,SelfDestructingSolverStorable16,SelfDestructingSolverStorable27,SelfDestructingSolverStorable17 [2024-05-04 07:40:42,560 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:40:42,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:40:42,561 INFO L85 PathProgramCache]: Analyzing trace with hash 152573933, now seen corresponding path program 1 times [2024-05-04 07:40:42,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:40:42,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853125819] [2024-05-04 07:40:42,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:42,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:40:42,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853125819] [2024-05-04 07:40:42,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853125819] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:40:42,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417739254] [2024-05-04 07:40:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:42,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:40:42,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:40:42,706 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) [2024-05-04 07:40:42,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 07:40:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:42,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 07:40:42,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:40:42,861 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-05-04 07:40:42,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:42,904 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:40:42,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:40:42,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-05-04 07:40:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:43,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417739254] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:40:43,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:40:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-05-04 07:40:43,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889676061] [2024-05-04 07:40:43,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:40:43,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-04 07:40:43,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:40:43,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-04 07:40:43,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-05-04 07:40:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:43,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:40:43,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:40:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:40:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:43,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash -352655140, now seen corresponding path program 5 times [2024-05-04 07:40:43,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:43,502 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 07:40:43,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:43,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:43,538 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 07:40:43,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1445147848, now seen corresponding path program 6 times [2024-05-04 07:40:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:43,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:43,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:43,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1298490335, now seen corresponding path program 7 times [2024-05-04 07:40:43,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:43,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:43,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:43,959 INFO L85 PathProgramCache]: Analyzing trace with hash -691482717, now seen corresponding path program 8 times [2024-05-04 07:40:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:43,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:43,962 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1270834982, now seen corresponding path program 3 times [2024-05-04 07:40:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,252 INFO L85 PathProgramCache]: Analyzing trace with hash 159282337, now seen corresponding path program 5 times [2024-05-04 07:40:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1537722147, now seen corresponding path program 6 times [2024-05-04 07:40:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,561 INFO L85 PathProgramCache]: Analyzing trace with hash 781164454, now seen corresponding path program 7 times [2024-05-04 07:40:44,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1235942850, now seen corresponding path program 8 times [2024-05-04 07:40:44,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:44,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:44,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1769295253, now seen corresponding path program 3 times [2024-05-04 07:40:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:44,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:44,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:44,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 07:40:44,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-05-04 07:40:45,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,062 INFO L85 PathProgramCache]: Analyzing trace with hash -352655140, now seen corresponding path program 9 times [2024-05-04 07:40:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 07:40:45,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,097 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-04 07:40:45,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1445147848, now seen corresponding path program 10 times [2024-05-04 07:40:45,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,328 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,351 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1298490335, now seen corresponding path program 11 times [2024-05-04 07:40:45,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,391 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 07:40:45,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,405 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 07:40:45,462 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,501 INFO L85 PathProgramCache]: Analyzing trace with hash -691482717, now seen corresponding path program 12 times [2024-05-04 07:40:45,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,668 INFO L85 PathProgramCache]: Analyzing trace with hash -691696932, now seen corresponding path program 4 times [2024-05-04 07:40:45,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:45,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:45,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,781 INFO L85 PathProgramCache]: Analyzing trace with hash 159282337, now seen corresponding path program 9 times [2024-05-04 07:40:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1537722147, now seen corresponding path program 10 times [2024-05-04 07:40:45,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:45,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:45,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,045 INFO L85 PathProgramCache]: Analyzing trace with hash 781164454, now seen corresponding path program 11 times [2024-05-04 07:40:46,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1235942850, now seen corresponding path program 12 times [2024-05-04 07:40:46,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1236157065, now seen corresponding path program 4 times [2024-05-04 07:40:46,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:46,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:46,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:46,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:46,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-04 07:40:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-05-04 07:40:46,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,702 INFO L85 PathProgramCache]: Analyzing trace with hash -459201178, now seen corresponding path program 13 times [2024-05-04 07:40:46,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,706 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,799 INFO L85 PathProgramCache]: Analyzing trace with hash -64923999, now seen corresponding path program 14 times [2024-05-04 07:40:46,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:46,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1445147848, now seen corresponding path program 15 times [2024-05-04 07:40:46,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:46,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:46,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:47,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1444933633, now seen corresponding path program 16 times [2024-05-04 07:40:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:47,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:47,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:47,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,392 INFO L85 PathProgramCache]: Analyzing trace with hash -691482717, now seen corresponding path program 17 times [2024-05-04 07:40:47,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:47,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:47,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,663 INFO L85 PathProgramCache]: Analyzing trace with hash 909853542, now seen corresponding path program 5 times [2024-05-04 07:40:47,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:47,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:47,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:47,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:47,851 INFO L85 PathProgramCache]: Analyzing trace with hash 757920929, now seen corresponding path program 18 times [2024-05-04 07:40:47,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:47,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:47,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:47,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:48,006 INFO L85 PathProgramCache]: Analyzing trace with hash -758691967, now seen corresponding path program 13 times [2024-05-04 07:40:48,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:48,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:48,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:48,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-05-04 07:40:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1575893116, now seen corresponding path program 14 times [2024-05-04 07:40:48,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:48,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 07:40:48,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:48,227 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-04 07:40:49,045 INFO L85 PathProgramCache]: Analyzing trace with hash -256904457, now seen corresponding path program 1 times [2024-05-04 07:40:49,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:49,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:49,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:49,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:49,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:49,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-04 07:40:49,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2024-05-04 07:40:50,234 INFO L85 PathProgramCache]: Analyzing trace with hash -255964599, now seen corresponding path program 3 times [2024-05-04 07:40:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:50,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,246 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash 655032098, now seen corresponding path program 4 times [2024-05-04 07:40:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:50,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,329 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,425 INFO L85 PathProgramCache]: Analyzing trace with hash 655032098, now seen corresponding path program 5 times [2024-05-04 07:40:50,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:50,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:40:50,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 07:40:50,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-04 07:40:50,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable50,SelfDestructingSolverStorable72,SelfDestructingSolverStorable51,SelfDestructingSolverStorable73,SelfDestructingSolverStorable30,SelfDestructingSolverStorable52,SelfDestructingSolverStorable31,SelfDestructingSolverStorable53,SelfDestructingSolverStorable32,SelfDestructingSolverStorable54,SelfDestructingSolverStorable33,SelfDestructingSolverStorable55,SelfDestructingSolverStorable34,SelfDestructingSolverStorable56,SelfDestructingSolverStorable35,SelfDestructingSolverStorable57,SelfDestructingSolverStorable36,SelfDestructingSolverStorable58,SelfDestructingSolverStorable37,SelfDestructingSolverStorable59,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable40,SelfDestructingSolverStorable62,SelfDestructingSolverStorable41,SelfDestructingSolverStorable63,SelfDestructingSolverStorable42,SelfDestructingSolverStorable64,SelfDestructingSolverStorable29,SelfDestructingSolverStorable43,SelfDestructingSolverStorable65,SelfDestructingSolverStorable44,SelfDestructingSolverStorable66,SelfDestructingSolverStorable45,SelfDestructingSolverStorable67,SelfDestructingSolverStorable46,SelfDestructingSolverStorable68,SelfDestructingSolverStorable47,SelfDestructingSolverStorable69,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49,SelfDestructingSolverStorable28 [2024-05-04 07:40:50,665 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:40:50,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:40:50,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1079533480, now seen corresponding path program 2 times [2024-05-04 07:40:50,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:40:50,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811785929] [2024-05-04 07:40:50,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:50,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 07:40:50,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:40:50,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811785929] [2024-05-04 07:40:50,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811785929] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:40:50,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554412322] [2024-05-04 07:40:50,878 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 07:40:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:40:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:40:50,879 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) [2024-05-04 07:40:50,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 07:40:50,907 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 07:40:50,907 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 07:40:50,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 07:40:50,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:40:51,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:40:51,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 13 [2024-05-04 07:40:51,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:51,197 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:40:51,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:40:51,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 27 treesize of output 51 [2024-05-04 07:40:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:51,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554412322] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:40:51,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:40:51,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 31 [2024-05-04 07:40:51,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222677037] [2024-05-04 07:40:51,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:40:51,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-04 07:40:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:40:51,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-04 07:40:51,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=778, Unknown=0, NotChecked=0, Total=930 [2024-05-04 07:40:51,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:51,504 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:40:51,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.096774193548387) internal successors, (65), 31 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:40:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:40:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-04 07:40:51,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:40:57,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1291762956, now seen corresponding path program 6 times [2024-05-04 07:40:57,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:57,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:57,375 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:57,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1389946047, now seen corresponding path program 7 times [2024-05-04 07:40:57,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:57,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:57,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:40:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:40:57,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:40:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:40:57,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2024-05-04 07:40:57,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-04 07:40:57,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable76,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:40:57,704 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:40:57,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:40:57,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1129039339, now seen corresponding path program 3 times [2024-05-04 07:40:57,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:40:57,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197511312] [2024-05-04 07:40:57,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:40:57,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:40:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:40:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-04 07:40:58,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:40:58,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197511312] [2024-05-04 07:40:58,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197511312] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:40:58,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896785768] [2024-05-04 07:40:58,214 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 07:40:58,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:40:58,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:40:58,216 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 07:40:58,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 07:40:58,253 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-04 07:40:58,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 07:40:58,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 43 conjunts are in the unsatisfiable core [2024-05-04 07:40:58,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:40:59,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:40:59,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 62 treesize of output 26 [2024-05-04 07:40:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:40:59,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:41:00,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:41:00,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 63 treesize of output 267 [2024-05-04 07:41:04,524 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 7 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:41:04,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896785768] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:41:04,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:41:04,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27, 27] total 68 [2024-05-04 07:41:04,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313388979] [2024-05-04 07:41:04,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:41:04,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-05-04 07:41:04,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:41:04,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-05-04 07:41:04,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=4004, Unknown=0, NotChecked=0, Total=4556 [2024-05-04 07:41:04,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:41:04,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:41:04,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.838235294117647) internal successors, (125), 68 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:41:04,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:41:04,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:41:04,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 111 states. [2024-05-04 07:41:04,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:41:27,086 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:41:27,087 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:41:27,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:41:27,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 17 case distinctions, treesize of input 231 treesize of output 289 [2024-05-04 07:41:27,500 INFO L85 PathProgramCache]: Analyzing trace with hash 972481178, now seen corresponding path program 2 times [2024-05-04 07:41:27,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:41:27,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:41:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:41:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 66 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-04 07:41:27,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:41:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:41:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:41:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 23 proven. 66 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-04 07:41:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:41:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:41:27,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:41:27,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:41:27,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-04 07:41:28,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,SelfDestructingSolverStorable78,SelfDestructingSolverStorable79,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:41:28,125 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:41:28,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:41:28,125 INFO L85 PathProgramCache]: Analyzing trace with hash 307219019, now seen corresponding path program 4 times [2024-05-04 07:41:28,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:41:28,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598844880] [2024-05-04 07:41:28,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:41:28,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:41:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:41:28,752 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 102 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-05-04 07:41:28,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:41:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598844880] [2024-05-04 07:41:28,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598844880] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:41:28,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346017745] [2024-05-04 07:41:28,752 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 07:41:28,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:41:28,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:41:28,753 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 07:41:28,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 07:41:28,806 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 07:41:28,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 07:41:28,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 58 conjunts are in the unsatisfiable core [2024-05-04 07:41:28,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:41:30,319 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:41:30,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2024-05-04 07:41:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:41:30,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:41:32,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:41:32,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 87 treesize of output 511 [2024-05-04 07:42:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 7 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:42:13,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346017745] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:42:13,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:42:13,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 34, 34] total 78 [2024-05-04 07:42:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005131283] [2024-05-04 07:42:13,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:42:13,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-05-04 07:42:13,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:42:13,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-05-04 07:42:13,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=719, Invalid=5287, Unknown=0, NotChecked=0, Total=6006 [2024-05-04 07:42:13,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:42:13,016 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:42:13,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 78 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:42:13,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:42:13,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:42:13,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:42:13,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:42:13,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:42:49,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1824745044, now seen corresponding path program 3 times [2024-05-04 07:42:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:42:49,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:42:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:42:49,738 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:42:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:42:49,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2024-05-04 07:42:49,869 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-04 07:42:50,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81 [2024-05-04 07:42:50,057 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:42:50,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:42:50,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1463998417, now seen corresponding path program 5 times [2024-05-04 07:42:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:42:50,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906054043] [2024-05-04 07:42:50,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:42:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:42:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:42:50,871 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 8 proven. 172 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-04 07:42:50,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:42:50,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906054043] [2024-05-04 07:42:50,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906054043] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:42:50,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241616250] [2024-05-04 07:42:50,872 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 07:42:50,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:42:50,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:42:50,873 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 07:42:50,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 07:42:50,932 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-04 07:42:50,932 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 07:42:50,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-04 07:42:50,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:42:53,436 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:42:53,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2024-05-04 07:42:53,507 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:42:53,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:42:56,187 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:42:56,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 111 treesize of output 835 [2024-05-04 07:44:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 15 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:44:19,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241616250] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:44:19,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:44:19,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 42, 42] total 96 [2024-05-04 07:44:19,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496995257] [2024-05-04 07:44:19,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:44:19,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-04 07:44:19,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:44:19,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-04 07:44:19,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1028, Invalid=8092, Unknown=0, NotChecked=0, Total=9120 [2024-05-04 07:44:19,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:44:19,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:44:19,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 1.7291666666666667) internal successors, (166), 96 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:44:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:44:19,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:44:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:44:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:44:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2024-05-04 07:44:19,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:47:37,549 INFO L85 PathProgramCache]: Analyzing trace with hash -358344316, now seen corresponding path program 4 times [2024-05-04 07:47:37,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:47:37,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:47:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:47:37,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-04 07:47:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-04 07:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:47:37,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2024-05-04 07:47:37,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 950 states. [2024-05-04 07:47:37,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-04 07:47:37,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:47:37,829 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-04 07:47:37,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 07:47:37,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1656702303, now seen corresponding path program 6 times [2024-05-04 07:47:37,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 07:47:37,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275229697] [2024-05-04 07:47:37,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 07:47:37,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 07:47:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 07:47:38,879 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 10 proven. 260 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-04 07:47:38,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 07:47:38,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275229697] [2024-05-04 07:47:38,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275229697] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 07:47:38,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102603046] [2024-05-04 07:47:38,879 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 07:47:38,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 07:47:38,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 07:47:38,881 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 07:47:38,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 07:47:38,947 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-05-04 07:47:38,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 07:47:38,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 92 conjunts are in the unsatisfiable core [2024-05-04 07:47:38,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 07:47:46,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,497 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,506 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,518 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,523 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,533 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,535 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,542 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,545 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,548 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-04 07:47:46,551 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:46,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 55 disjoint index pairs (out of 210 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 50 [2024-05-04 07:47:46,715 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:47:46,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 07:47:52,150 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,154 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,155 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,156 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,157 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,158 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,158 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,160 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,161 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,161 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,167 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,168 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,172 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,173 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,174 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,174 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,178 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,181 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,184 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,186 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,187 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,187 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,189 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,190 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,190 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,191 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,192 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,195 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,195 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,196 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,208 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,212 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,213 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,213 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,215 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,216 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,218 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,221 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,222 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,222 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,223 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,225 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,226 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,228 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,228 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,229 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,229 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,230 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,231 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,231 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,232 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,232 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,233 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:52,233 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-04 07:47:53,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 07:47:53,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 155 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 76 case distinctions, treesize of input 132 treesize of output 786 [2024-05-04 07:48:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 07:48:26,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102603046] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 07:48:26,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 07:48:26,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 50, 50] total 123 [2024-05-04 07:48:26,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730983181] [2024-05-04 07:48:26,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 07:48:26,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 123 states [2024-05-04 07:48:26,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 07:48:26,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2024-05-04 07:48:26,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2323, Invalid=12683, Unknown=0, NotChecked=0, Total=15006 [2024-05-04 07:48:26,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:48:26,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 07:48:26,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 123 states, 123 states have (on average 1.7073170731707317) internal successors, (210), 123 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 950 states. [2024-05-04 07:48:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 07:48:44,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-04 07:49:49,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-05-04 07:50:06,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-05-04 07:50:08,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-05-04 07:50:15,613 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-05-04 07:50:20,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-05-04 07:50:29,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-04 07:50:51,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-05-04 07:51:13,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-04 07:51:13,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-05-04 07:51:13,369 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Function c_aux_v_front_624 is already defined. at de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.declareFun(Scriptor.java:115) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.declareFun(WrapperScript.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.declareFun(HistoryRecordingScript.java:95) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.declareFun(ManagedScript.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition(TransFormulaUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.compose(SemanticIndependenceConditionGenerator.java:178) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.withGuard(SemanticIndependenceConditionGenerator.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceConditionGenerator.generateCondition(SemanticIndependenceConditionGenerator.java:135) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityChecker.checkConditionalCommutativity(ConditionalCommutativityChecker.java:150) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:321) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-04 07:51:13,379 INFO L158 Benchmark]: Toolchain (without parser) took 634969.30ms. Allocated memory was 194.0MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 172.7MB in the beginning and 772.4MB in the end (delta: -599.7MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-05-04 07:51:13,380 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 194.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 07:51:13,380 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.22ms. Allocated memory is still 194.0MB. Free memory was 172.6MB in the beginning and 171.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 07:51:13,380 INFO L158 Benchmark]: Boogie Preprocessor took 11.46ms. Allocated memory is still 194.0MB. Free memory was 171.1MB in the beginning and 170.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 07:51:13,392 INFO L158 Benchmark]: RCFGBuilder took 214.31ms. Allocated memory is still 194.0MB. Free memory was 170.0MB in the beginning and 159.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-04 07:51:13,392 INFO L158 Benchmark]: TraceAbstraction took 634683.09ms. Allocated memory was 194.0MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 158.6MB in the beginning and 772.4MB in the end (delta: -613.8MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-05-04 07:51:13,393 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 0.14ms. Allocated memory is still 194.0MB. Free memory is still 134.2MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.22ms. Allocated memory is still 194.0MB. Free memory was 172.6MB in the beginning and 171.1MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.46ms. Allocated memory is still 194.0MB. Free memory was 171.1MB in the beginning and 170.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 214.31ms. Allocated memory is still 194.0MB. Free memory was 170.0MB in the beginning and 159.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 634683.09ms. Allocated memory was 194.0MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 158.6MB in the beginning and 772.4MB in the end (delta: -613.8MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Function c_aux_v_front_624 is already defined. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Function c_aux_v_front_624 is already defined.: de.uni_freiburg.informatik.ultimate.logic.NoopScript.declareFun(NoopScript.java:229) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-04 07:51:13,406 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 [2024-05-04 07:51:13,802 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-04 07:51:13,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request...