/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-07 07:59:01,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-07 07:59:01,196 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-07 07:59:01,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-07 07:59:01,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-07 07:59:01,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-07 07:59:01,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-07 07:59:01,222 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-07 07:59:01,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-07 07:59:01,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-07 07:59:01,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-07 07:59:01,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-07 07:59:01,226 INFO L153 SettingsManager]: * Use SBE=true [2024-04-07 07:59:01,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-07 07:59:01,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-07 07:59:01,229 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-07 07:59:01,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-07 07:59:01,230 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-07 07:59:01,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-07 07:59:01,231 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-07 07:59:01,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-07 07:59:01,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-07 07:59:01,232 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-07 07:59:01,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-07 07:59:01,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 07:59:01,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-07 07:59:01,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-07 07:59:01,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-07 07:59:01,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-07 07:59:01,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-07 07:59:01,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-07 07:59:01,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-07 07:59:01,438 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-07 07:59:01,443 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-07 07:59:01,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2024-04-07 07:59:01,444 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2024-04-07 07:59:01,470 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-07 07:59:01,472 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-07 07:59:01,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-07 07:59:01,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-07 07:59:01,474 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-07 07:59:01,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,526 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-07 07:59:01,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-07 07:59:01,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-07 07:59:01,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-07 07:59:01,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-07 07:59:01,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,559 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,559 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-07 07:59:01,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-07 07:59:01,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-07 07:59:01,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-07 07:59:01,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/1) ... [2024-04-07 07:59:01,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-07 07:59:01,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:01,624 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) [2024-04-07 07:59:01,640 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 [2024-04-07 07:59:01,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-07 07:59:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-07 07:59:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-07 07:59:01,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-07 07:59:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-07 07:59:01,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-07 07:59:01,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-07 07:59:01,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-07 07:59:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-07 07:59:01,675 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-07 07:59:01,675 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-07 07:59:01,675 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-07 07:59:01,675 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-07 07:59:01,713 INFO L241 CfgBuilder]: Building ICFG [2024-04-07 07:59:01,715 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-07 07:59:01,803 INFO L282 CfgBuilder]: Performing block encoding [2024-04-07 07:59:01,819 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-07 07:59:01,819 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-07 07:59:01,820 INFO L201 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 07:59:01 BoogieIcfgContainer [2024-04-07 07:59:01,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-07 07:59:01,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-07 07:59:01,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-07 07:59:01,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-07 07:59:01,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.04 07:59:01" (1/2) ... [2024-04-07 07:59:01,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@483c2d28 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.04 07:59:01, skipping insertion in model container [2024-04-07 07:59:01,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.04 07:59:01" (2/2) ... [2024-04-07 07:59:01,827 INFO L112 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2024-04-07 07:59:01,832 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-07 07:59:01,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-07 07:59:01,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-07 07:59:01,838 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-07 07:59:01,876 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-07 07:59:01,906 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-07 07:59:01,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-07 07:59:01,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:01,908 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) [2024-04-07 07:59:01,910 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 [2024-04-07 07:59:01,941 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-07 07:59:01,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:01,954 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-07 07:59:01,960 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;@7487d83a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-07 07:59:01,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-07 07:59:01,992 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:01,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:01,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1235333716, now seen corresponding path program 1 times [2024-04-07 07:59:02,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:02,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067266231] [2024-04-07 07:59:02,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:02,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067266231] [2024-04-07 07:59:02,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067266231] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 07:59:02,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 07:59:02,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-07 07:59:02,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205953016] [2024-04-07 07:59:02,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 07:59:02,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 07:59:02,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:02,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 07:59:02,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-07 07:59:02,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:02,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2024-04-07 07:59:02,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-07 07:59:02,522 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:02,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:02,523 INFO L85 PathProgramCache]: Analyzing trace with hash -142082062, now seen corresponding path program 1 times [2024-04-07 07:59:02,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:02,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416216605] [2024-04-07 07:59:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:02,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:02,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:02,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416216605] [2024-04-07 07:59:02,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416216605] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 07:59:02,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 07:59:02,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-07 07:59:02,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191835604] [2024-04-07 07:59:02,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 07:59:02,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-07 07:59:02,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:02,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-07 07:59:02,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-07 07:59:02,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,588 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:02,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 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) [2024-04-07 07:59:02,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-07 07:59:02,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:02,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash 628818342, now seen corresponding path program 1 times [2024-04-07 07:59:02,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:02,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729034977] [2024-04-07 07:59:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:02,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:02,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:02,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729034977] [2024-04-07 07:59:02,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729034977] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 07:59:02,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 07:59:02,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-07 07:59:02,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674590351] [2024-04-07 07:59:02,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 07:59:02,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 07:59:02,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:02,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 07:59:02,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-07 07:59:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:02,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-04-07 07:59:02,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-07 07:59:02,840 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:02,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:02,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1960317976, now seen corresponding path program 1 times [2024-04-07 07:59:02,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:02,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004073761] [2024-04-07 07:59:02,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:02,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:02,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:02,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004073761] [2024-04-07 07:59:02,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004073761] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-07 07:59:02,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-07 07:59:02,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-07 07:59:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926636584] [2024-04-07 07:59:02,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-07 07:59:02,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-07 07:59:02,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:02,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-07 07:59:02,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-07 07:59:02,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,889 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:02,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-04-07 07:59:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:02,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-07 07:59:02,956 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:02,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:02,957 INFO L85 PathProgramCache]: Analyzing trace with hash -211403052, now seen corresponding path program 1 times [2024-04-07 07:59:02,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:02,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067314086] [2024-04-07 07:59:02,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:02,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:03,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:03,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067314086] [2024-04-07 07:59:03,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067314086] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:03,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1912766331] [2024-04-07 07:59:03,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:03,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:03,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:03,194 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) [2024-04-07 07:59:03,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-07 07:59:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:03,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-07 07:59:03,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:03,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-04-07 07:59:03,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-04-07 07:59:03,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-04-07 07:59:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:03,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:03,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 27 [2024-04-07 07:59:03,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:03,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 18 [2024-04-07 07:59:03,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:03,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1912766331] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:03,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:03,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 16 [2024-04-07 07:59:03,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34408143] [2024-04-07 07:59:03,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:03,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-07 07:59:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:03,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-07 07:59:03,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2024-04-07 07:59:03,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:03,777 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:03,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.0588235294117645) internal successors, (52), 16 states have internal predecessors, (52), 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) [2024-04-07 07:59:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:03,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:04,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-07 07:59:04,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:04,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:04,235 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:04,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash 918592970, now seen corresponding path program 2 times [2024-04-07 07:59:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:04,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633954307] [2024-04-07 07:59:04,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:04,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:04,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:04,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633954307] [2024-04-07 07:59:04,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633954307] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:04,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363879446] [2024-04-07 07:59:04,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 07:59:04,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:04,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:04,278 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) [2024-04-07 07:59:04,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-07 07:59:04,371 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 07:59:04,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:04,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-07 07:59:04,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:04,392 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:04,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363879446] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:04,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:04,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-04-07 07:59:04,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289069625] [2024-04-07 07:59:04,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:04,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 07:59:04,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:04,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 07:59:04,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-04-07 07:59:04,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:04,425 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:04,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 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) [2024-04-07 07:59:04,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-07 07:59:04,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:04,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:04,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:04,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-07 07:59:04,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:04,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:04,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:04,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1078675662, now seen corresponding path program 3 times [2024-04-07 07:59:04,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:04,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030121766] [2024-04-07 07:59:04,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:04,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:04,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030121766] [2024-04-07 07:59:04,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030121766] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:04,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955390443] [2024-04-07 07:59:04,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 07:59:04,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:04,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:04,816 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) [2024-04-07 07:59:04,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-07 07:59:04,852 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-07 07:59:04,852 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:04,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-07 07:59:04,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:04,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:04,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:04,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955390443] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:04,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:04,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 5 [2024-04-07 07:59:04,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416826301] [2024-04-07 07:59:04,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:04,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-07 07:59:04,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:04,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-07 07:59:04,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-04-07 07:59:04,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:04,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:04,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 5 states have internal predecessors, (32), 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) [2024-04-07 07:59:04,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:04,917 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:04,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:04,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:04,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:04,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-07 07:59:05,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:05,187 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:05,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:05,187 INFO L85 PathProgramCache]: Analyzing trace with hash 855836944, now seen corresponding path program 4 times [2024-04-07 07:59:05,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:05,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821249109] [2024-04-07 07:59:05,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:05,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:05,217 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:05,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821249109] [2024-04-07 07:59:05,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821249109] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:05,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917311985] [2024-04-07 07:59:05,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 07:59:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:05,219 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) [2024-04-07 07:59:05,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-07 07:59:05,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 07:59:05,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:05,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2024-04-07 07:59:05,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:05,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-07 07:59:05,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917311985] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:05,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:05,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 8 [2024-04-07 07:59:05,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080455137] [2024-04-07 07:59:05,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:05,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-07 07:59:05,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:05,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-07 07:59:05,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-07 07:59:05,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:05,354 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:05,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 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) [2024-04-07 07:59:05,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:05,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 07:59:05,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:05,643 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,SelfDestructingSolverStorable7 [2024-04-07 07:59:05,643 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:05,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:05,643 INFO L85 PathProgramCache]: Analyzing trace with hash -2031341396, now seen corresponding path program 5 times [2024-04-07 07:59:05,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:05,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284251284] [2024-04-07 07:59:05,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:05,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:06,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:06,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284251284] [2024-04-07 07:59:06,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284251284] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:06,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230483208] [2024-04-07 07:59:06,025 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 07:59:06,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:06,048 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) [2024-04-07 07:59:06,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-07 07:59:06,106 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-04-07 07:59:06,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:06,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-07 07:59:06,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:06,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2024-04-07 07:59:06,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-04-07 07:59:06,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-04-07 07:59:06,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-07 07:59:06,480 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:06,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:06,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 452 treesize of output 420 [2024-04-07 07:59:06,743 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:06,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:06,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 47 [2024-04-07 07:59:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:06,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230483208] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:06,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:06,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2024-04-07 07:59:06,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489745261] [2024-04-07 07:59:06,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:06,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-07 07:59:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:06,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-07 07:59:06,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=821, Unknown=0, NotChecked=0, Total=930 [2024-04-07 07:59:06,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:06,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:06,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 2.7419354838709675) internal successors, (85), 30 states have internal predecessors, (85), 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) [2024-04-07 07:59:06,886 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 07:59:06,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-07 07:59:08,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-07 07:59:08,377 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:08,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:08,559 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:08,560 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1810944940, now seen corresponding path program 6 times [2024-04-07 07:59:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:08,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547410762] [2024-04-07 07:59:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:08,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-07 07:59:09,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:09,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547410762] [2024-04-07 07:59:09,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547410762] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:09,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36183097] [2024-04-07 07:59:09,262 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 07:59:09,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:09,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:09,263 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) [2024-04-07 07:59:09,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-07 07:59:09,307 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-04-07 07:59:09,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:09,308 WARN L260 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 65 conjunts are in the unsatisfiable core [2024-04-07 07:59:09,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:09,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-04-07 07:59:09,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-04-07 07:59:09,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2024-04-07 07:59:09,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 52 [2024-04-07 07:59:09,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2024-04-07 07:59:10,074 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:10,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 30 treesize of output 50 [2024-04-07 07:59:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:10,271 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:10,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:10,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 12454 treesize of output 11814 [2024-04-07 07:59:11,038 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,040 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,040 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,041 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:11,085 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:11,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 42 treesize of output 107 [2024-04-07 07:59:11,194 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:11,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36183097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:11,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:11,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 50 [2024-04-07 07:59:11,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739996524] [2024-04-07 07:59:11,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:11,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-04-07 07:59:11,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:11,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-04-07 07:59:11,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=2261, Unknown=0, NotChecked=0, Total=2550 [2024-04-07 07:59:11,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:11,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:11,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.2745098039215685) internal successors, (116), 50 states have internal predecessors, (116), 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) [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-07 07:59:11,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:17,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:17,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:17,902 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,SelfDestructingSolverStorable9 [2024-04-07 07:59:17,902 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:17,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:17,902 INFO L85 PathProgramCache]: Analyzing trace with hash 794681603, now seen corresponding path program 1 times [2024-04-07 07:59:17,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:17,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833808116] [2024-04-07 07:59:17,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 59 proven. 33 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-04-07 07:59:18,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:18,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833808116] [2024-04-07 07:59:18,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833808116] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:18,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293194691] [2024-04-07 07:59:18,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:18,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:18,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:18,042 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) [2024-04-07 07:59:18,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-07 07:59:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:18,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-07 07:59:18,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 59 proven. 27 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-04-07 07:59:18,135 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 59 proven. 27 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-04-07 07:59:18,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293194691] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:18,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:18,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-04-07 07:59:18,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763128232] [2024-04-07 07:59:18,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:18,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-07 07:59:18,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:18,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-07 07:59:18,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-04-07 07:59:18,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:18,253 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:18,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 6 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:18,253 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:18,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:18,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:18,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:18,603 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:18,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:18,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1520968461, now seen corresponding path program 2 times [2024-04-07 07:59:18,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:18,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682167034] [2024-04-07 07:59:18,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:18,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-07 07:59:18,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682167034] [2024-04-07 07:59:18,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682167034] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403969467] [2024-04-07 07:59:18,756 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-07 07:59:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:18,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:18,760 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) [2024-04-07 07:59:18,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-07 07:59:18,811 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-07 07:59:18,811 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:18,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-07 07:59:18,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-07 07:59:18,882 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-07 07:59:18,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403969467] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:18,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:18,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-04-07 07:59:18,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722318137] [2024-04-07 07:59:18,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:18,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-07 07:59:18,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:18,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-07 07:59:18,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-04-07 07:59:18,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:18,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:18,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 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) [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:18,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:19,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:19,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-07 07:59:19,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:19,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:19,558 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:19,558 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:19,558 INFO L85 PathProgramCache]: Analyzing trace with hash 490033007, now seen corresponding path program 3 times [2024-04-07 07:59:19,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:19,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959914437] [2024-04-07 07:59:19,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:19,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:19,637 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 4 proven. 49 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-07 07:59:19,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959914437] [2024-04-07 07:59:19,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959914437] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:19,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408891143] [2024-04-07 07:59:19,638 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-07 07:59:19,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:19,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:19,639 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) [2024-04-07 07:59:19,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-07 07:59:19,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-07 07:59:19,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:19,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-07 07:59:19,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:19,737 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-04-07 07:59:19,737 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:19,829 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-04-07 07:59:19,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408891143] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:19,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:19,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-04-07 07:59:19,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853130253] [2024-04-07 07:59:19,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:19,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-07 07:59:19,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:19,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-07 07:59:19,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-07 07:59:19,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:19,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:19,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-07 07:59:19,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-07 07:59:19,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:20,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-07 07:59:20,199 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,SelfDestructingSolverStorable12 [2024-04-07 07:59:20,199 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 07:59:20,199 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 07:59:20,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1935909763, now seen corresponding path program 4 times [2024-04-07 07:59:20,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 07:59:20,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952927654] [2024-04-07 07:59:20,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 07:59:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 07:59:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 07:59:21,568 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 3 proven. 129 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-07 07:59:21,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 07:59:21,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952927654] [2024-04-07 07:59:21,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952927654] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 07:59:21,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925285269] [2024-04-07 07:59:21,569 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-07 07:59:21,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 07:59:21,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 07:59:21,570 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) [2024-04-07 07:59:21,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-07 07:59:21,609 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-07 07:59:21,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 07:59:21,611 WARN L260 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 86 conjunts are in the unsatisfiable core [2024-04-07 07:59:21,613 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 07:59:21,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-04-07 07:59:21,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-04-07 07:59:22,031 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 39 [2024-04-07 07:59:22,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 55 [2024-04-07 07:59:22,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 68 [2024-04-07 07:59:23,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 83 [2024-04-07 07:59:23,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 69 [2024-04-07 07:59:23,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2024-04-07 07:59:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:23,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 07:59:31,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:31,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1135252286678 treesize of output 1084786420950 [2024-04-07 07:59:37,394 WARN L293 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 149644 DAG size of output: 92 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-04-07 07:59:37,768 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:37,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:37,769 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:37,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:37,770 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-07 07:59:38,732 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-07 07:59:38,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 51 case distinctions, treesize of input 62 treesize of output 367 [2024-04-07 07:59:43,185 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 07:59:43,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925285269] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 07:59:43,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 07:59:43,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 62 [2024-04-07 07:59:43,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949041104] [2024-04-07 07:59:43,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 07:59:43,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-07 07:59:43,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 07:59:43,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-07 07:59:43,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=3551, Unknown=0, NotChecked=0, Total=3906 [2024-04-07 07:59:43,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 07:59:43,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 07:59:43,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 2.5873015873015874) internal successors, (163), 62 states have internal predecessors, (163), 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) [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 07:59:43,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 07:59:43,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 07:59:43,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 07:59:43,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-07 07:59:43,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 07:59:43,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:43,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:43,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2024-04-07 08:00:43,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-07 08:00:44,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 08:00:44,039 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 08:00:44,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 08:00:44,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1501564409, now seen corresponding path program 5 times [2024-04-07 08:00:44,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 08:00:44,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510435503] [2024-04-07 08:00:44,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 08:00:44,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 08:00:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 08:00:44,522 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 70 proven. 149 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2024-04-07 08:00:44,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 08:00:44,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510435503] [2024-04-07 08:00:44,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510435503] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 08:00:44,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448903326] [2024-04-07 08:00:44,523 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-07 08:00:44,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 08:00:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 08:00:44,524 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) [2024-04-07 08:00:44,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-07 08:00:44,626 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-04-07 08:00:44,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 08:00:44,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-07 08:00:44,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 08:00:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 73 proven. 244 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-04-07 08:00:45,525 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 08:00:46,926 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 85 proven. 232 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-04-07 08:00:46,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448903326] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 08:00:46,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 08:00:46,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 14 [2024-04-07 08:00:46,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507246791] [2024-04-07 08:00:46,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 08:00:46,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-07 08:00:46,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 08:00:47,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-07 08:00:47,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-04-07 08:00:47,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 08:00:47,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 08:00:47,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.933333333333334) internal successors, (74), 14 states have internal predecessors, (74), 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) [2024-04-07 08:00:47,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2024-04-07 08:00:47,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:50,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-07 08:00:50,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-07 08:00:50,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-07 08:00:50,556 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,SelfDestructingSolverStorable14 [2024-04-07 08:00:50,557 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 08:00:50,568 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 08:00:50,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1714860249, now seen corresponding path program 6 times [2024-04-07 08:00:50,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 08:00:50,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977328016] [2024-04-07 08:00:50,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 08:00:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 08:00:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 08:00:51,004 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 65 proven. 119 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-07 08:00:51,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 08:00:51,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977328016] [2024-04-07 08:00:51,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977328016] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 08:00:51,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989352887] [2024-04-07 08:00:51,005 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-07 08:00:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 08:00:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 08:00:51,006 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) [2024-04-07 08:00:51,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-07 08:00:51,081 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-04-07 08:00:51,081 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-07 08:00:51,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-07 08:00:51,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 08:00:51,842 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 6 proven. 229 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-04-07 08:00:51,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-07 08:00:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 6 proven. 229 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-04-07 08:00:53,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989352887] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-07 08:00:53,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-07 08:00:53,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 10 [2024-04-07 08:00:53,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060191603] [2024-04-07 08:00:53,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-07 08:00:53,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-07 08:00:53,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-07 08:00:53,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-07 08:00:53,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-04-07 08:00:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-07 08:00:53,355 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-07 08:00:53,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.909090909090909) internal successors, (54), 10 states have internal predecessors, (54), 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) [2024-04-07 08:00:53,355 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-07 08:00:53,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-07 08:00:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-07 08:00:54,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-07 08:00:54,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-07 08:00:55,129 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,SelfDestructingSolverStorable15 [2024-04-07 08:00:55,129 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-07 08:00:55,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-07 08:00:55,130 INFO L85 PathProgramCache]: Analyzing trace with hash -147763885, now seen corresponding path program 7 times [2024-04-07 08:00:55,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-07 08:00:55,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271860847] [2024-04-07 08:00:55,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-07 08:00:55,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-07 08:00:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 08:01:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 33 proven. 456 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-07 08:01:03,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-07 08:01:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271860847] [2024-04-07 08:01:03,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271860847] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-07 08:01:03,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953622148] [2024-04-07 08:01:03,447 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-07 08:01:03,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-07 08:01:03,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-07 08:01:03,449 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) [2024-04-07 08:01:03,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-07 08:01:03,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-07 08:01:03,511 WARN L260 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 164 conjunts are in the unsatisfiable core [2024-04-07 08:01:03,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-07 08:01:03,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2024-04-07 08:01:04,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2024-04-07 08:01:05,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 42 [2024-04-07 08:01:06,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 57 [2024-04-07 08:01:08,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 70 [2024-04-07 08:01:10,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 87 [2024-04-07 08:01:11,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 102 [2024-04-07 08:01:13,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 131 [2024-04-07 08:01:15,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 130 [2024-04-07 08:01:18,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 147 [2024-04-07 08:01:21,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 162 [2024-04-07 08:01:23,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 147 treesize of output 177 [2024-04-07 08:01:23,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 117 [2024-04-07 08:01:24,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 66 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 33 [2024-04-07 08:01:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-07 08:01:24,787 INFO L327 TraceCheckSpWp]: Computing backward predicates...