/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 17:33:51,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 17:33:51,672 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 17:33:51,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 17:33:51,676 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 17:33:51,724 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 17:33:51,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 17:33:51,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 17:33:51,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 17:33:51,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 17:33:51,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 17:33:51,727 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 17:33:51,738 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 17:33:51,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 17:33:51,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 17:33:51,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 17:33:51,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 17:33:51,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 17:33:51,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 17:33:51,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 17:33:51,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 17:33:51,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 17:33:51,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 17:33:51,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 17:33:51,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 17:33:51,741 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 17:33:51,741 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 17:33:51,742 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 17:33:51,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 17:33:51,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:33:51,742 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 17:33:51,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 17:33:51,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 17:33:51,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 17:33:51,743 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 17:33:51,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 17:33:51,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 17:33:51,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 17:33:51,744 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 17:33:51,744 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 17:33:51,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 17:33:51,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 17:33:51,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 17:33:51,999 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 17:33:52,000 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 17:33:52,001 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl [2024-05-04 17:33:52,001 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/two-queue.wvr.bpl' [2024-05-04 17:33:52,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 17:33:52,028 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 17:33:52,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 17:33:52,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 17:33:52,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 17:33:52,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,086 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 17:33:52,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 17:33:52,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 17:33:52,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 17:33:52,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 17:33:52,106 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,106 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,110 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,112 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 17:33:52,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 17:33:52,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 17:33:52,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 17:33:52,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/1) ... [2024-05-04 17:33:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:33:52,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:52,197 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 17:33:52,207 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 17:33:52,267 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 17:33:52,267 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 17:33:52,267 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 17:33:52,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 17:33:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 17:33:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 17:33:52,268 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 17:33:52,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 17:33:52,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 17:33:52,269 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 17:33:52,308 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 17:33:52,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 17:33:52,398 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 17:33:52,417 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 17:33:52,417 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-04 17:33:52,418 INFO L201 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:33:52 BoogieIcfgContainer [2024-05-04 17:33:52,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 17:33:52,420 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 17:33:52,421 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 17:33:52,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 17:33:52,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:33:52" (1/2) ... [2024-05-04 17:33:52,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cb27f0e and model type two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:33:52, skipping insertion in model container [2024-05-04 17:33:52,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:33:52" (2/2) ... [2024-05-04 17:33:52,425 INFO L112 eAbstractionObserver]: Analyzing ICFG two-queue.wvr.bpl [2024-05-04 17:33:52,431 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 17:33:52,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 17:33:52,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 17:33:52,438 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 17:33:52,471 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-04 17:33:52,500 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 17:33:52,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 17:33:52,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:52,511 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 17:33:52,531 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 17:33:52,547 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 17:33:52,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:52,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 17:33:52,564 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;@46488839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 17:33:52,564 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-04 17:33:52,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:52,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:52,595 INFO L85 PathProgramCache]: Analyzing trace with hash -480927146, now seen corresponding path program 1 times [2024-05-04 17:33:52,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:52,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124568076] [2024-05-04 17:33:52,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:52,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:52,719 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 17:33:52,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:52,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124568076] [2024-05-04 17:33:52,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124568076] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:33:52,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:33:52,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 17:33:52,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115283003] [2024-05-04 17:33:52,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:33:52,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 17:33:52,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:52,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 17:33:52,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 17:33:52,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:52,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:33:52,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 17:33:52,814 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:52,814 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:52,814 INFO L85 PathProgramCache]: Analyzing trace with hash -614845677, now seen corresponding path program 1 times [2024-05-04 17:33:52,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:52,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208158948] [2024-05-04 17:33:52,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:52,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:52,863 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 17:33:52,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:52,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208158948] [2024-05-04 17:33:52,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208158948] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:33:52,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:33:52,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 17:33:52,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680543938] [2024-05-04 17:33:52,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:33:52,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 17:33:52,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:52,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 17:33:52,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 17:33:52,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,868 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:52,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 17:33:52,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 17:33:52,897 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:52,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash 663509181, now seen corresponding path program 1 times [2024-05-04 17:33:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916396755] [2024-05-04 17:33:52,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:52,936 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 17:33:52,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:52,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916396755] [2024-05-04 17:33:52,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916396755] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:33:52,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:33:52,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 17:33:52,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409869576] [2024-05-04 17:33:52,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:33:52,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-04 17:33:52,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:52,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-04 17:33:52,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-04 17:33:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,941 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:52,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 17:33:52,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,941 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:52,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-04 17:33:52,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:52,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:53,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1491712860, now seen corresponding path program 1 times [2024-05-04 17:33:53,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:53,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955553125] [2024-05-04 17:33:53,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:53,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:53,354 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 17:33:53,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955553125] [2024-05-04 17:33:53,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955553125] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:33:53,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970286757] [2024-05-04 17:33:53,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:53,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:53,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:53,371 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 17:33:53,372 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 17:33:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:53,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-04 17:33:53,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:33:53,613 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 17 treesize of output 9 [2024-05-04 17:33:53,652 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 20 treesize of output 14 [2024-05-04 17:33:53,700 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 17:33:53,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:33:53,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:53,869 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 37 treesize of output 37 [2024-05-04 17:33:53,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:53,937 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 35 treesize of output 37 [2024-05-04 17:33:54,046 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 17:33:54,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970286757] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:33:54,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:33:54,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 26 [2024-05-04 17:33:54,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810530230] [2024-05-04 17:33:54,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:33:54,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-04 17:33:54,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:54,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-04 17:33:54,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-05-04 17:33:54,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:54,052 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:54,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.7037037037037037) internal successors, (46), 26 states have internal predecessors, (46), 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 17:33:54,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:54,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 17:33:54,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:54,666 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:54,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:54,666 INFO L85 PathProgramCache]: Analyzing trace with hash -946972391, now seen corresponding path program 2 times [2024-05-04 17:33:54,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:54,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251481932] [2024-05-04 17:33:54,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:54,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:33:54,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251481932] [2024-05-04 17:33:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251481932] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:33:54,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174039920] [2024-05-04 17:33:54,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 17:33:54,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:54,713 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 17:33:54,742 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 17:33:54,744 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 17:33:54,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:33:54,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-04 17:33:54,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:33:54,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:33:54,768 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 17:33:54,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174039920] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:33:54,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 17:33:54,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-05-04 17:33:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628183120] [2024-05-04 17:33:54,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:33:54,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 17:33:54,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:54,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 17:33:54,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-04 17:33:54,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:54,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:54,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:33:54,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:54,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:54,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:54,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 17:33:55,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:55,029 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:55,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:55,030 INFO L85 PathProgramCache]: Analyzing trace with hash 331382467, now seen corresponding path program 3 times [2024-05-04 17:33:55,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:55,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032667039] [2024-05-04 17:33:55,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:55,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:55,067 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:33:55,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:55,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032667039] [2024-05-04 17:33:55,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032667039] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:33:55,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98920075] [2024-05-04 17:33:55,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 17:33:55,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:55,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:55,069 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 17:33:55,091 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 17:33:55,100 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 17:33:55,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:33:55,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-04 17:33:55,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:33:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-04 17:33:55,115 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-04 17:33:55,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [98920075] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:33:55,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-04 17:33:55,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-05-04 17:33:55,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36708916] [2024-05-04 17:33:55,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:33:55,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 17:33:55,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:55,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 17:33:55,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-04 17:33:55,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:55,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:55,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:55,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:55,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:55,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 17:33:55,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:55,347 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:55,350 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:55,350 INFO L85 PathProgramCache]: Analyzing trace with hash 586116706, now seen corresponding path program 4 times [2024-05-04 17:33:55,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:55,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592476225] [2024-05-04 17:33:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:55,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:55,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:33:55,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:55,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592476225] [2024-05-04 17:33:55,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592476225] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:33:55,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958798279] [2024-05-04 17:33:55,836 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 17:33:55,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:55,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:55,853 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 17:33:55,876 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 17:33:55,906 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 17:33:55,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:33:55,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-04 17:33:55,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:33:56,048 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 13 treesize of output 9 [2024-05-04 17:33:56,060 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 13 treesize of output 9 [2024-05-04 17:33:56,121 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:33:56,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:33:56,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:56,314 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 33 treesize of output 35 [2024-05-04 17:33:56,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:56,392 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 27 [2024-05-04 17:33:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-04 17:33:56,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958798279] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:33:56,468 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:33:56,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 32 [2024-05-04 17:33:56,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873206750] [2024-05-04 17:33:56,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:33:56,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-04 17:33:56,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:56,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-04 17:33:56,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=925, Unknown=0, NotChecked=0, Total=1056 [2024-05-04 17:33:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:56,476 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:56,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 32 states have internal predecessors, (58), 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 17:33:56,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:56,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:56,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:56,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:56,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:56,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:56,477 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:57,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-04 17:33:57,057 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 17:33:57,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-04 17:33:57,239 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:33:57,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:33:57,240 INFO L85 PathProgramCache]: Analyzing trace with hash 95164914, now seen corresponding path program 5 times [2024-05-04 17:33:57,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:33:57,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73619751] [2024-05-04 17:33:57,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:33:57,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:33:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:33:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 44 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-04 17:33:57,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:33:57,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73619751] [2024-05-04 17:33:57,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73619751] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:33:57,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978777215] [2024-05-04 17:33:57,600 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 17:33:57,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:57,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:33:57,601 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 17:33:57,626 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 17:33:57,636 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-04 17:33:57,637 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:33:57,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-04 17:33:57,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:33:57,778 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 13 treesize of output 9 [2024-05-04 17:33:57,785 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 13 treesize of output 9 [2024-05-04 17:33:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-04 17:33:57,830 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:33:58,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:58,020 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 33 treesize of output 35 [2024-05-04 17:33:58,129 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:33:58,129 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 29 treesize of output 29 [2024-05-04 17:33:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-04 17:33:58,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978777215] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:33:58,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:33:58,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 37 [2024-05-04 17:33:58,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610648159] [2024-05-04 17:33:58,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:33:58,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-04 17:33:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:33:58,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-04 17:33:58,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1252, Unknown=0, NotChecked=0, Total=1406 [2024-05-04 17:33:58,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:58,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:33:58,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 2.0526315789473686) internal successors, (78), 37 states have internal predecessors, (78), 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 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-04 17:33:58,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:33:59,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-04 17:33:59,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 17:33:59,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-05-04 17:33:59,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-04 17:33:59,500 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-04 17:33:59,508 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 17:33:59,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:33:59,705 INFO L448 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2024-05-04 17:33:59,707 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 17:33:59,707 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 17:33:59,709 INFO L201 PluginConnector]: Adding new model two-queue.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:33:59 BasicIcfg [2024-05-04 17:33:59,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 17:33:59,709 INFO L158 Benchmark]: Toolchain (without parser) took 7681.97ms. Allocated memory was 335.5MB in the beginning and 402.7MB in the end (delta: 67.1MB). Free memory was 300.7MB in the beginning and 194.1MB in the end (delta: 106.6MB). Peak memory consumption was 172.9MB. Max. memory is 8.0GB. [2024-05-04 17:33:59,710 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 335.5MB. Free memory is still 301.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 17:33:59,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.49ms. Allocated memory is still 335.5MB. Free memory was 300.7MB in the beginning and 306.7MB in the end (delta: -6.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 17:33:59,710 INFO L158 Benchmark]: Boogie Preprocessor took 17.08ms. Allocated memory is still 335.5MB. Free memory was 306.4MB in the beginning and 305.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 17:33:59,710 INFO L158 Benchmark]: RCFGBuilder took 300.37ms. Allocated memory is still 335.5MB. Free memory was 305.4MB in the beginning and 294.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-04 17:33:59,710 INFO L158 Benchmark]: TraceAbstraction took 7288.67ms. Allocated memory was 335.5MB in the beginning and 402.7MB in the end (delta: 67.1MB). Free memory was 293.6MB in the beginning and 194.1MB in the end (delta: 99.5MB). Peak memory consumption was 167.1MB. Max. memory is 8.0GB. [2024-05-04 17:33:59,711 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 0.16ms. Allocated memory is still 335.5MB. Free memory is still 301.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.49ms. Allocated memory is still 335.5MB. Free memory was 300.7MB in the beginning and 306.7MB in the end (delta: -6.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 17.08ms. Allocated memory is still 335.5MB. Free memory was 306.4MB in the beginning and 305.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 300.37ms. Allocated memory is still 335.5MB. Free memory was 305.4MB in the beginning and 294.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 7288.67ms. Allocated memory was 335.5MB in the beginning and 402.7MB in the end (delta: 67.1MB). Free memory was 293.6MB in the beginning and 194.1MB in the end (delta: 99.5MB). Peak memory consumption was 167.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1073, independent: 905, independent conditional: 874, independent unconditional: 31, dependent: 168, dependent conditional: 168, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 918, independent: 905, independent conditional: 874, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 918, independent: 905, independent conditional: 874, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 918, independent: 905, independent conditional: 874, independent unconditional: 31, dependent: 13, dependent conditional: 13, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, independent: 905, independent conditional: 508, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990, independent: 905, independent conditional: 385, independent unconditional: 520, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990, independent: 905, independent conditional: 385, independent unconditional: 520, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 51, dependent conditional: 27, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 990, independent: 821, independent conditional: 362, independent unconditional: 459, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 136, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 990, independent: 905, independent conditional: 508, independent unconditional: 397, dependent: 85, dependent conditional: 55, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 990, independent: 905, independent conditional: 385, independent unconditional: 520, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 990, independent: 905, independent conditional: 385, independent unconditional: 520, dependent: 85, dependent conditional: 42, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 99, independent: 84, independent conditional: 23, independent unconditional: 61, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 99, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 19, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 15, dependent conditional: 13, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 51, dependent conditional: 27, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 990, independent: 821, independent conditional: 362, independent unconditional: 459, dependent: 70, dependent conditional: 29, dependent unconditional: 41, unknown: 99, unknown conditional: 36, unknown unconditional: 63] , Statistics on independence cache: Total cache size (in pairs): 99, Positive cache size: 84, Positive conditional cache size: 23, Positive unconditional cache size: 61, Negative cache size: 15, Negative conditional cache size: 13, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 136 ], Independence queries for same thread: 155 - PositiveResult [Line: 62]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 2.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 311 NumberOfCodeBlocks, 311 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 2928 SizeOfPredicates, 29 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 88 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 77/240 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 17:33:59,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-04 17:33:59,949 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 0 Received shutdown request...