/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 LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 --traceabstraction.use.condition.criterion.recommended.for.programs.with.arrays true -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 10:33:59,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 10:33:59,988 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 10:33:59,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 10:33:59,995 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 10:34:00,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 10:34:00,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 10:34:00,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 10:34:00,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 10:34:00,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 10:34:00,043 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 10:34:00,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 10:34:00,043 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 10:34:00,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 10:34:00,047 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 10:34:00,047 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 10:34:00,047 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 10:34:00,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 10:34:00,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 10:34:00,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 10:34:00,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 10:34:00,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 10:34:00,050 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 10:34:00,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 10:34:00,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 10:34:00,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 10:34:00,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 10:34:00,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 10:34:00,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 10:34:00,052 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 10:34:00,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 10:34:00,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 10:34:00,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 10:34:00,052 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 10:34:00,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use condition criterion (recommended for programs with arrays) -> true [2024-04-28 10:34:00,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 10:34:00,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 10:34:00,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 10:34:00,244 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 10:34:00,245 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 10:34:00,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2024-04-28 10:34:00,246 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2024-04-28 10:34:00,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 10:34:00,281 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 10:34:00,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 10:34:00,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 10:34:00,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 10:34:00,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,343 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,348 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 10:34:00,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 10:34:00,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 10:34:00,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 10:34:00,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 10:34:00,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,358 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,364 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 10:34:00,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 10:34:00,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 10:34:00,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 10:34:00,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/1) ... [2024-04-28 10:34:00,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 10:34:00,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:00,401 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) [2024-04-28 10:34:00,407 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 [2024-04-28 10:34:00,438 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 10:34:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 10:34:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 10:34:00,439 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 10:34:00,439 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 10:34:00,439 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 10:34:00,440 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 10:34:00,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 10:34:00,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 10:34:00,441 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 10:34:00,488 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 10:34:00,490 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 10:34:00,592 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 10:34:00,641 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 10:34:00,641 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-28 10:34:00,642 INFO L201 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:34:00 BoogieIcfgContainer [2024-04-28 10:34:00,642 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 10:34:00,644 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 10:34:00,644 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 10:34:00,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 10:34:00,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 10:34:00" (1/2) ... [2024-04-28 10:34:00,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c05281c and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:34:00, skipping insertion in model container [2024-04-28 10:34:00,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:34:00" (2/2) ... [2024-04-28 10:34:00,649 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2024-04-28 10:34:00,654 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 10:34:00,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 10:34:00,661 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 10:34:00,661 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 10:34:00,685 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-28 10:34:00,718 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 10:34:00,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 10:34:00,718 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:00,720 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) [2024-04-28 10:34:00,721 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 [2024-04-28 10:34:00,787 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 10:34:00,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:00,805 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 10:34:00,829 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;@1d487e00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=true [2024-04-28 10:34:00,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-28 10:34:00,863 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:00,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:00,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1951538971, now seen corresponding path program 1 times [2024-04-28 10:34:00,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:00,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349018827] [2024-04-28 10:34:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:00,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:01,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349018827] [2024-04-28 10:34:01,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349018827] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 10:34:01,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 10:34:01,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-28 10:34:01,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523971970] [2024-04-28 10:34:01,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 10:34:01,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 10:34:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:01,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 10:34:01,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 10:34:01,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:01,066 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) [2024-04-28 10:34:01,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 10:34:01,093 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:01,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash 394791227, now seen corresponding path program 1 times [2024-04-28 10:34:01,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:01,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267961273] [2024-04-28 10:34:01,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:01,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:01,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267961273] [2024-04-28 10:34:01,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267961273] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 10:34:01,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 10:34:01,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 10:34:01,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102615582] [2024-04-28 10:34:01,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 10:34:01,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 10:34:01,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 10:34:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 10:34:01,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,176 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:01,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-04-28 10:34:01,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-28 10:34:01,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:01,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:01,250 INFO L85 PathProgramCache]: Analyzing trace with hash 72304820, now seen corresponding path program 1 times [2024-04-28 10:34:01,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:01,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327042440] [2024-04-28 10:34:01,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:01,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327042440] [2024-04-28 10:34:01,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327042440] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 10:34:01,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 10:34:01,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 10:34:01,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144899163] [2024-04-28 10:34:01,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 10:34:01,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 10:34:01,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:01,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 10:34:01,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-28 10:34:01,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,306 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:01,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-04-28 10:34:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:01,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-28 10:34:01,344 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:01,346 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash -1987670338, now seen corresponding path program 1 times [2024-04-28 10:34:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:01,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109403305] [2024-04-28 10:34:01,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:01,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109403305] [2024-04-28 10:34:01,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109403305] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:01,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006278749] [2024-04-28 10:34:01,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:01,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:01,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:01,398 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) [2024-04-28 10:34:01,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 10:34:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-28 10:34:01,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:01,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006278749] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:01,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:01,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-04-28 10:34:01,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307043821] [2024-04-28 10:34:01,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:01,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-28 10:34:01,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:01,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-28 10:34:01,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-28 10:34:01,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:01,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 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) [2024-04-28 10:34:01,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:01,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:01,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:01,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-28 10:34:01,765 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 [2024-04-28 10:34:01,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:01,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:01,766 INFO L85 PathProgramCache]: Analyzing trace with hash 1350340574, now seen corresponding path program 2 times [2024-04-28 10:34:01,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579120924] [2024-04-28 10:34:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:01,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:01,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579120924] [2024-04-28 10:34:01,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579120924] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:01,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194183158] [2024-04-28 10:34:01,879 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 10:34:01,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:01,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:01,883 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) [2024-04-28 10:34:01,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 10:34:01,967 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 10:34:01,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:01,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 7 conjunts are in the unsatisfiable core [2024-04-28 10:34:01,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:02,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:02,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194183158] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:02,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:02,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-04-28 10:34:02,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254486877] [2024-04-28 10:34:02,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:02,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-28 10:34:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:02,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-28 10:34:02,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-04-28 10:34:02,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:02,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:02,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.5833333333333335) internal successors, (31), 11 states have internal predecessors, (31), 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) [2024-04-28 10:34:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:02,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:02,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:02,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:02,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-28 10:34:02,361 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 [2024-04-28 10:34:02,362 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:02,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -266265839, now seen corresponding path program 3 times [2024-04-28 10:34:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965595607] [2024-04-28 10:34:02,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:02,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 10:34:02,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:02,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965595607] [2024-04-28 10:34:02,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965595607] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:02,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156494525] [2024-04-28 10:34:02,488 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 10:34:02,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:02,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:02,492 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) [2024-04-28 10:34:02,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 10:34:02,535 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-28 10:34:02,535 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:02,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-28 10:34:02,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:02,667 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 10:34:02,668 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 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2024-04-28 10:34:02,734 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:02,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:03,007 INFO L349 Elim1Store]: treesize reduction 20, result has 91.1 percent of original size [2024-04-28 10:34:03,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 19 treesize of output 232 [2024-04-28 10:34:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 10:34:03,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156494525] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:03,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:03,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 6] total 12 [2024-04-28 10:34:03,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098057861] [2024-04-28 10:34:03,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:03,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-28 10:34:03,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:03,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-28 10:34:03,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-04-28 10:34:03,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:03,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:03,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.1538461538461537) internal successors, (28), 12 states have internal predecessors, (28), 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) [2024-04-28 10:34:03,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:03,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:03,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:03,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:03,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:03,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:03,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:03,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:04,195 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 [2024-04-28 10:34:04,195 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:04,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:04,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1158542910, now seen corresponding path program 4 times [2024-04-28 10:34:04,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:04,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805780557] [2024-04-28 10:34:04,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:04,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:04,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805780557] [2024-04-28 10:34:04,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805780557] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:04,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859406819] [2024-04-28 10:34:04,264 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 10:34:04,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:04,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:04,265 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) [2024-04-28 10:34:04,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 10:34:04,303 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 10:34:04,303 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:04,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-28 10:34:04,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859406819] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:04,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:04,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-28 10:34:04,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656671265] [2024-04-28 10:34:04,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:04,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-28 10:34:04,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:04,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-28 10:34:04,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-04-28 10:34:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:04,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:04,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 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) [2024-04-28 10:34:04,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:04,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:04,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:04,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:04,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:04,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:04,761 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 [2024-04-28 10:34:04,762 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:04,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:04,762 INFO L85 PathProgramCache]: Analyzing trace with hash -790989311, now seen corresponding path program 5 times [2024-04-28 10:34:04,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:04,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712687472] [2024-04-28 10:34:04,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:04,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:04,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712687472] [2024-04-28 10:34:04,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712687472] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:04,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273639154] [2024-04-28 10:34:04,816 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 10:34:04,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:04,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:04,832 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) [2024-04-28 10:34:04,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 10:34:04,861 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-28 10:34:04,861 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:04,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-28 10:34:04,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:04,886 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,886 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273639154] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:04,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:04,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-04-28 10:34:04,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895416603] [2024-04-28 10:34:04,990 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:04,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-28 10:34:04,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:04,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-28 10:34:04,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-04-28 10:34:04,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:04,991 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:04,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.0) internal successors, (28), 13 states have internal predecessors, (28), 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) [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:04,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:05,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:05,131 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:05,317 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 [2024-04-28 10:34:05,318 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:05,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash 2071984462, now seen corresponding path program 6 times [2024-04-28 10:34:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173301024] [2024-04-28 10:34:05,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:05,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:05,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173301024] [2024-04-28 10:34:05,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1173301024] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:05,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462075042] [2024-04-28 10:34:05,420 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 10:34:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:05,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:05,445 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) [2024-04-28 10:34:05,460 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-28 10:34:05,482 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-04-28 10:34:05,482 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:05,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-28 10:34:05,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:05,531 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:05,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:05,635 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:05,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462075042] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:05,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:05,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-04-28 10:34:05,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472441692] [2024-04-28 10:34:05,636 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:05,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-28 10:34:05,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:05,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-28 10:34:05,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=324, Unknown=0, NotChecked=0, Total=420 [2024-04-28 10:34:05,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:05,637 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:05,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 10:34:05,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:05,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:05,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:05,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:05,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-28 10:34:05,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:06,117 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,SelfDestructingSolverStorable8 [2024-04-28 10:34:06,118 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:06,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash 264724801, now seen corresponding path program 7 times [2024-04-28 10:34:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:06,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654395210] [2024-04-28 10:34:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 10:34:06,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654395210] [2024-04-28 10:34:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654395210] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482044384] [2024-04-28 10:34:06,234 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 10:34:06,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:06,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:06,235 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:34:06,261 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-28 10:34:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:06,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 27 conjunts are in the unsatisfiable core [2024-04-28 10:34:06,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:06,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 10:34:06,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2024-04-28 10:34:07,054 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:07,054 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:08,478 INFO L349 Elim1Store]: treesize reduction 40, result has 95.8 percent of original size [2024-04-28 10:34:08,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 30 new quantified variables, introduced 120 case distinctions, treesize of input 35 treesize of output 980 [2024-04-28 10:34:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 1 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 10:34:37,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482044384] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:37,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:37,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 11] total 22 [2024-04-28 10:34:37,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997417678] [2024-04-28 10:34:37,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:37,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-28 10:34:37,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:37,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-28 10:34:37,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2024-04-28 10:34:37,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:37,506 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:37,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 1.6956521739130435) internal successors, (39), 22 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 10:34:37,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:37,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-28 10:34:37,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-28 10:34:37,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:37,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:37,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:37,883 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:37,883 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:37,883 INFO L85 PathProgramCache]: Analyzing trace with hash 439383566, now seen corresponding path program 8 times [2024-04-28 10:34:37,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:37,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347387760] [2024-04-28 10:34:37,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:37,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:38,019 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:38,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347387760] [2024-04-28 10:34:38,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347387760] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144205705] [2024-04-28 10:34:38,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 10:34:38,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:38,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:38,034 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:34:38,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-28 10:34:38,076 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 10:34:38,076 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:38,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-28 10:34:38,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:38,105 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:38,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:38,222 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:38,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144205705] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:38,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:38,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2024-04-28 10:34:38,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792398860] [2024-04-28 10:34:38,223 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:38,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-28 10:34:38,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:38,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-28 10:34:38,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=295, Unknown=0, NotChecked=0, Total=420 [2024-04-28 10:34:38,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:38,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:38,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 10:34:38,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:38,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:38,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:38,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:38,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:38,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:38,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:34:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:38,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:34:38,510 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-28 10:34:38,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:38,700 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:38,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:38,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1527235733, now seen corresponding path program 9 times [2024-04-28 10:34:38,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:38,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757145082] [2024-04-28 10:34:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:38,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:38,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:38,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:38,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757145082] [2024-04-28 10:34:38,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757145082] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:38,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398734621] [2024-04-28 10:34:38,810 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 10:34:38,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:38,819 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:34:38,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-28 10:34:38,845 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-28 10:34:38,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:38,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-28 10:34:38,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:38,866 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:39,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398734621] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:39,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:39,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 20 [2024-04-28 10:34:39,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854567627] [2024-04-28 10:34:39,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:39,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-28 10:34:39,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:39,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-28 10:34:39,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2024-04-28 10:34:39,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:39,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:39,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 10:34:39,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:39,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:39,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:34:39,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:39,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:34:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:34:39,265 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-28 10:34:39,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-28 10:34:39,440 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:39,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:39,440 INFO L85 PathProgramCache]: Analyzing trace with hash 723181860, now seen corresponding path program 10 times [2024-04-28 10:34:39,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:39,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950889161] [2024-04-28 10:34:39,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:39,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:39,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950889161] [2024-04-28 10:34:39,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950889161] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:39,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926878471] [2024-04-28 10:34:39,593 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 10:34:39,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:39,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:39,594 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:34:39,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-28 10:34:39,629 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 10:34:39,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:39,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 19 conjunts are in the unsatisfiable core [2024-04-28 10:34:39,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:39,709 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:39,709 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:39,869 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:39,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926878471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:34:39,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:34:39,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 32 [2024-04-28 10:34:39,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107245753] [2024-04-28 10:34:39,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:34:39,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-28 10:34:39,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:34:39,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-28 10:34:39,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2024-04-28 10:34:39,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:39,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:34:39,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 32 states have internal predecessors, (47), 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) [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:39,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:34:39,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:34:39,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:34:40,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:34:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:34:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:34:40,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 10:34:40,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-28 10:34:40,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:40,575 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:34:40,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:34:40,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1800429995, now seen corresponding path program 11 times [2024-04-28 10:34:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:34:40,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688363184] [2024-04-28 10:34:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:34:40,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:34:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:34:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-28 10:34:40,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:34:40,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688363184] [2024-04-28 10:34:40,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688363184] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:34:40,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022633246] [2024-04-28 10:34:40,740 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 10:34:40,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:34:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:34:40,745 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:34:40,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-28 10:34:40,773 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-28 10:34:40,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:34:40,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-28 10:34:40,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:34:41,299 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 10:34:41,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2024-04-28 10:34:46,817 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:34:46,818 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:34:53,688 WARN L293 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 1153 DAG size of output: 1117 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-28 10:34:53,691 INFO L349 Elim1Store]: treesize reduction 60, result has 97.3 percent of original size [2024-04-28 10:34:53,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 46 new quantified variables, introduced 276 case distinctions, treesize of input 51 treesize of output 2240 [2024-04-28 10:40:38,896 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 2 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 10:40:38,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022633246] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:40:38,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:40:38,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 16] total 32 [2024-04-28 10:40:38,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426750588] [2024-04-28 10:40:38,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:40:38,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-28 10:40:38,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:40:38,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-28 10:40:38,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=964, Unknown=0, NotChecked=0, Total=1056 [2024-04-28 10:40:38,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:38,898 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:40:38,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 1.5151515151515151) internal successors, (50), 32 states have internal predecessors, (50), 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) [2024-04-28 10:40:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:38,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 10:40:38,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:39,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:39,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 10:40:39,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:39,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-28 10:40:39,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-28 10:40:39,331 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:40:39,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:40:39,331 INFO L85 PathProgramCache]: Analyzing trace with hash 801604324, now seen corresponding path program 12 times [2024-04-28 10:40:39,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:40:39,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610468188] [2024-04-28 10:40:39,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:40:39,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:40:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:40:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:39,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:40:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610468188] [2024-04-28 10:40:39,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610468188] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:40:39,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163070047] [2024-04-28 10:40:39,528 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 10:40:39,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:40:39,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:40:39,529 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:40:39,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-28 10:40:39,578 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-28 10:40:39,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:40:39,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-28 10:40:39,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:40:39,613 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:39,613 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:40:39,801 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:39,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163070047] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:40:39,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:40:39,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2024-04-28 10:40:39,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723323792] [2024-04-28 10:40:39,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:40:39,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-28 10:40:39,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:40:39,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-28 10:40:39,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=540, Unknown=0, NotChecked=0, Total=756 [2024-04-28 10:40:39,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:39,803 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:40:39,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 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) [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:39,803 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 10:40:40,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-28 10:40:40,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-28 10:40:40,567 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:40:40,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:40:40,567 INFO L85 PathProgramCache]: Analyzing trace with hash 894952551, now seen corresponding path program 13 times [2024-04-28 10:40:40,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:40:40,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545863599] [2024-04-28 10:40:40,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:40:40,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:40:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:40:40,769 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 9 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:40,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:40:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545863599] [2024-04-28 10:40:40,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545863599] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:40:40,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283615431] [2024-04-28 10:40:40,769 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 10:40:40,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:40:40,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:40:40,771 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:40:40,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-28 10:40:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:40:40,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-28 10:40:40,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:40:40,852 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:40,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:40:41,143 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:41,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283615431] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:40:41,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:40:41,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 27 [2024-04-28 10:40:41,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453363163] [2024-04-28 10:40:41,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:40:41,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-28 10:40:41,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:40:41,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-28 10:40:41,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=550, Unknown=0, NotChecked=0, Total=756 [2024-04-28 10:40:41,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:41,145 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:40:41,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 1.5) internal successors, (42), 27 states have internal predecessors, (42), 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) [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:41,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-28 10:40:41,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:41,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 10:40:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 10:40:41,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-28 10:40:41,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-28 10:40:41,696 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:40:41,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:40:41,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1498392664, now seen corresponding path program 14 times [2024-04-28 10:40:41,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:40:41,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394821034] [2024-04-28 10:40:41,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:40:41,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:40:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:40:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:41,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:40:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394821034] [2024-04-28 10:40:41,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394821034] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:40:41,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076847826] [2024-04-28 10:40:41,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 10:40:41,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:40:41,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:40:41,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:40:41,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-28 10:40:42,007 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 10:40:42,007 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:40:42,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-28 10:40:42,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:40:42,150 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:42,150 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:40:42,467 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 12 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:40:42,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076847826] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 10:40:42,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 10:40:42,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-28 10:40:42,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990242249] [2024-04-28 10:40:42,468 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 10:40:42,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-28 10:40:42,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 10:40:42,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-28 10:40:42,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=345, Invalid=1635, Unknown=0, NotChecked=0, Total=1980 [2024-04-28 10:40:42,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:42,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 10:40:42,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 44 states have internal predecessors, (59), 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) [2024-04-28 10:40:42,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:42,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-28 10:40:42,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-28 10:40:43,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-28 10:40:43,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-28 10:40:43,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-04-28 10:40:43,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-28 10:40:43,524 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 10:40:43,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 10:40:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash 24849575, now seen corresponding path program 15 times [2024-04-28 10:40:43,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 10:40:43,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072701209] [2024-04-28 10:40:43,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 10:40:43,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 10:40:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 10:40:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-28 10:40:43,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 10:40:43,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072701209] [2024-04-28 10:40:43,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072701209] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 10:40:43,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682208401] [2024-04-28 10:40:43,775 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 10:40:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:40:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 10:40:43,776 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 10:40:43,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-28 10:40:43,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-28 10:40:43,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 10:40:43,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-28 10:40:43,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 10:40:45,109 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 10:40:45,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 31 new quantified variables, introduced 120 case distinctions, treesize of input 71 treesize of output 1012 [2024-04-28 10:41:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 10:41:00,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 10:41:15,639 WARN L293 SmtUtils]: Spent 15.24s on a formula simplification. DAG size of input: 2049 DAG size of output: 2001 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-28 10:41:15,640 INFO L349 Elim1Store]: treesize reduction 80, result has 98.0 percent of original size [2024-04-28 10:41:15,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 62 new quantified variables, introduced 496 case distinctions, treesize of input 67 treesize of output 4012 Received shutdown request... [2024-04-28 10:48:27,213 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-28 10:48:27,213 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-28 10:48:27,223 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-28 10:48:27,253 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-28 10:48:27,271 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-28 10:48:27,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-28 10:48:27,458 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-449-29-4-30-3-27-3-26-3-25-2-18-2-24-2-16-4-20-2-12-4-17-3-16-2-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. [2024-04-28 10:48:27,460 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-28 10:48:27,460 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-28 10:48:27,464 INFO L448 BasicCegarLoop]: Path program histogram: [15, 1, 1, 1] [2024-04-28 10:48:27,466 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-28 10:48:27,466 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-28 10:48:27,469 INFO L201 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 10:48:27 BasicIcfg [2024-04-28 10:48:27,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-28 10:48:27,472 INFO L158 Benchmark]: Toolchain (without parser) took 867190.27ms. Allocated memory was 223.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 198.0MB in the beginning and 851.1MB in the end (delta: -653.1MB). Peak memory consumption was 894.0MB. Max. memory is 8.0GB. [2024-04-28 10:48:27,472 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 223.3MB. Free memory was 189.9MB in the beginning and 189.8MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 10:48:27,472 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.96ms. Allocated memory is still 223.3MB. Free memory was 198.0MB in the beginning and 198.2MB in the end (delta: -127.8kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-28 10:48:27,473 INFO L158 Benchmark]: Boogie Preprocessor took 14.19ms. Allocated memory is still 223.3MB. Free memory was 198.1MB in the beginning and 197.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 10:48:27,473 INFO L158 Benchmark]: RCFGBuilder took 276.76ms. Allocated memory is still 223.3MB. Free memory was 197.0MB in the beginning and 185.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-28 10:48:27,473 INFO L158 Benchmark]: TraceAbstraction took 866826.98ms. Allocated memory was 223.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 184.5MB in the beginning and 851.1MB in the end (delta: -666.7MB). Peak memory consumption was 881.4MB. Max. memory is 8.0GB. [2024-04-28 10:48:27,474 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 0.11ms. Allocated memory is still 223.3MB. Free memory was 189.9MB in the beginning and 189.8MB in the end (delta: 80.4kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.96ms. Allocated memory is still 223.3MB. Free memory was 198.0MB in the beginning and 198.2MB in the end (delta: -127.8kB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.19ms. Allocated memory is still 223.3MB. Free memory was 198.1MB in the beginning and 197.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 276.76ms. Allocated memory is still 223.3MB. Free memory was 197.0MB in the beginning and 185.7MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 866826.98ms. Allocated memory was 223.3MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 184.5MB in the beginning and 851.1MB in the end (delta: -666.7MB). Peak memory consumption was 881.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1762, independent: 1102, independent conditional: 1080, independent unconditional: 22, dependent: 660, dependent conditional: 646, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 1080, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 1080, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 1080, independent unconditional: 22, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 486, independent unconditional: 616, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 408, independent unconditional: 694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 408, independent unconditional: 694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 2, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1102, independent: 1074, independent conditional: 406, independent unconditional: 668, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 2, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 78, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 486, independent unconditional: 616, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 408, independent unconditional: 694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1102, independent: 1102, independent conditional: 408, independent unconditional: 694, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 2, independent unconditional: 26, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1102, independent: 1074, independent conditional: 406, independent unconditional: 668, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 28, unknown conditional: 2, unknown unconditional: 26] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 28, Positive conditional cache size: 2, Positive unconditional cache size: 26, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 78 ], Independence queries for same thread: 660 - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-449-29-4-30-3-27-3-26-3-25-2-18-2-24-2-16-4-20-2-12-4-17-3-16-2-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-449-29-4-30-3-27-3-26-3-25-2-18-2-24-2-16-4-20-2-12-4-17-3-16-2-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - TimeoutResultAtElement [Line: 52]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 32 with TraceHistMax 16,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-449-29-4-30-3-27-3-26-3-25-2-18-2-24-2-16-4-20-2-12-4-17-3-16-2-15-2-14-2-10-2-11-2-10-2-9-2-8-2-4-3-5-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 24 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 866.7s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 4.0s, 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: 337, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 394.8s InterpolantComputationTime, 619 NumberOfCodeBlocks, 619 NumberOfCodeBlocksAsserted, 56 NumberOfCheckSat, 866 ConstructedInterpolants, 0 QuantifiedInterpolants, 5731 SizeOfPredicates, 33 NumberOfNonLiveVariables, 1082 ConjunctsInSsa, 228 ConjunctsInUnsatCore, 45 InterpolantComputations, 3 PerfectInterpolantSequences, 334/1853 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, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown