/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 09:55:45,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 09:55:45,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 09:55:45,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 09:55:45,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 09:55:45,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 09:55:45,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 09:55:45,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 09:55:45,957 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 09:55:45,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 09:55:45,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 09:55:45,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 09:55:45,959 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 09:55:45,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 09:55:45,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 09:55:45,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 09:55:45,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 09:55:45,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 09:55:45,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 09:55:45,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 09:55:45,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 09:55:45,961 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 09:55:45,961 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 09:55:45,962 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 09:55:45,962 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 09:55:45,962 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 09:55:45,962 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 09:55:45,963 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 09:55:45,963 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 09:55:45,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 09:55:45,963 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 09:55:45,963 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 09:55:45,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 09:55:45,964 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 09:55:45,964 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 09:55:45,964 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 09:55:45,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 09:55:45,965 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 09:55:45,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 09:55:45,965 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 09:55:46,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 09:55:46,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 09:55:46,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 09:55:46,218 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 09:55:46,219 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 09:55:46,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl [2024-04-28 09:55:46,220 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl' [2024-04-28 09:55:46,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 09:55:46,250 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 09:55:46,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 09:55:46,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 09:55:46,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 09:55:46,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,284 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 09:55:46,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 09:55:46,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 09:55:46,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 09:55:46,289 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 09:55:46,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,315 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 09:55:46,319 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 09:55:46,319 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 09:55:46,319 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 09:55:46,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/1) ... [2024-04-28 09:55:46,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 09:55:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:46,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-28 09:55:46,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-28 09:55:46,398 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 09:55:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 09:55:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 09:55:46,399 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 09:55:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 09:55:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 09:55:46,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 09:55:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 09:55:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 09:55:46,402 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-28 09:55:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-28 09:55:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-28 09:55:46,403 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 09:55:46,447 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 09:55:46,449 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 09:55:46,555 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 09:55:46,576 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 09:55:46,576 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 09:55:46,577 INFO L201 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:55:46 BoogieIcfgContainer [2024-04-28 09:55:46,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 09:55:46,579 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 09:55:46,579 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 09:55:46,582 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 09:55:46,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 09:55:46" (1/2) ... [2024-04-28 09:55:46,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a44210 and model type queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:55:46, skipping insertion in model container [2024-04-28 09:55:46,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:55:46" (2/2) ... [2024-04-28 09:55:46,584 INFO L112 eAbstractionObserver]: Analyzing ICFG queue-add-3.wvr.bpl [2024-04-28 09:55:46,590 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 09:55:46,597 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 09:55:46,597 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 09:55:46,597 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 09:55:46,628 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-28 09:55:46,661 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 09:55:46,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 09:55:46,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:46,664 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-28 09:55:46,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-28 09:55:46,709 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 09:55:46,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:46,721 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 09:55:46,729 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;@36083b8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-04-28 09:55:46,729 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-28 09:55:46,784 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)] === [2024-04-28 09:55:46,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:46,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1722120014, now seen corresponding path program 1 times [2024-04-28 09:55:46,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:46,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555577286] [2024-04-28 09:55:46,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:46,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:46,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:46,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555577286] [2024-04-28 09:55:46,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555577286] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:55:46,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 09:55:46,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 09:55:46,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069606874] [2024-04-28 09:55:46,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:55:46,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 09:55:46,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:46,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 09:55:46,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 09:55:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:46,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:46,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:46,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:46,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 09:55:46,993 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)] === [2024-04-28 09:55:46,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1579619662, now seen corresponding path program 1 times [2024-04-28 09:55:46,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:46,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098398008] [2024-04-28 09:55:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:47,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:47,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098398008] [2024-04-28 09:55:47,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098398008] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:55:47,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 09:55:47,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-28 09:55:47,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276773763] [2024-04-28 09:55:47,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:55:47,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-28 09:55:47,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:47,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-28 09:55:47,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-28 09:55:47,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:47,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:47,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:47,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:47,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:47,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:47,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-28 09:55:47,069 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)] === [2024-04-28 09:55:47,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash 54854481, now seen corresponding path program 1 times [2024-04-28 09:55:47,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:47,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287804575] [2024-04-28 09:55:47,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:47,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:47,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287804575] [2024-04-28 09:55:47,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287804575] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:47,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178011670] [2024-04-28 09:55:47,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:47,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:47,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:47,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:47,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 09:55:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:47,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-28 09:55:47,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:47,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:47,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:47,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178011670] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:47,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:47,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-04-28 09:55:47,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544632340] [2024-04-28 09:55:47,797 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:47,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-28 09:55:47,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:47,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-28 09:55:47,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-28 09:55:47,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:47,805 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:47,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:47,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:47,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 09:55:48,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:48,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-28 09:55:48,224 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)] === [2024-04-28 09:55:48,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1406969742, now seen corresponding path program 2 times [2024-04-28 09:55:48,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:48,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140363816] [2024-04-28 09:55:48,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:48,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:48,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:48,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:48,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140363816] [2024-04-28 09:55:48,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140363816] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:48,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353897543] [2024-04-28 09:55:48,297 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:55:48,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:48,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:48,298 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:48,328 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 09:55:48,333 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:55:48,333 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:48,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-28 09:55:48,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:48,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:55:48,364 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-28 09:55:48,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353897543] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:55:48,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-28 09:55:48,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2024-04-28 09:55:48,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431623808] [2024-04-28 09:55:48,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:55:48,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 09:55:48,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:48,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 09:55:48,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-28 09:55:48,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:48,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:48,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:48,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 09:55:48,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-28 09:55:48,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:48,416 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:48,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:48,617 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)] === [2024-04-28 09:55:48,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:48,618 INFO L85 PathProgramCache]: Analyzing trace with hash -635368558, now seen corresponding path program 3 times [2024-04-28 09:55:48,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:48,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840619255] [2024-04-28 09:55:48,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:48,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:55:48,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840619255] [2024-04-28 09:55:48,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840619255] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:48,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123624309] [2024-04-28 09:55:48,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:55:48,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:48,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:48,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 09:55:48,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-28 09:55:48,774 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:48,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-28 09:55:48,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:55:48,818 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-28 09:55:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123624309] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 09:55:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-28 09:55:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-04-28 09:55:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046053411] [2024-04-28 09:55:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 09:55:48,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-28 09:55:48,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-28 09:55:48,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-28 09:55:48,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:48,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:48,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:48,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-28 09:55:48,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:48,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:48,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:48,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:48,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:49,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-28 09:55:49,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:49,203 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)] === [2024-04-28 09:55:49,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:49,203 INFO L85 PathProgramCache]: Analyzing trace with hash 317972957, now seen corresponding path program 1 times [2024-04-28 09:55:49,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:49,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576456126] [2024-04-28 09:55:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:49,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:49,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576456126] [2024-04-28 09:55:49,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576456126] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:49,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810677743] [2024-04-28 09:55:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:49,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:49,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:49,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:49,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 09:55:49,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:49,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-28 09:55:49,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:49,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:49,369 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:55:49,370 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 12 [2024-04-28 09:55:49,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:49,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810677743] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:49,382 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:49,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-04-28 09:55:49,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817353120] [2024-04-28 09:55:49,383 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:49,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-28 09:55:49,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:49,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-28 09:55:49,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-04-28 09:55:49,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:49,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:49,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:49,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:49,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:49,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:49,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:49,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:49,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:49,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:49,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:49,691 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,SelfDestructingSolverStorable5 [2024-04-28 09:55:49,692 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)] === [2024-04-28 09:55:49,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:49,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1754240103, now seen corresponding path program 2 times [2024-04-28 09:55:49,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:49,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653157109] [2024-04-28 09:55:49,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:49,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:49,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:49,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653157109] [2024-04-28 09:55:49,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653157109] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:49,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086294932] [2024-04-28 09:55:49,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:55:49,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:49,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:49,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 09:55:49,864 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:55:49,864 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:49,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-28 09:55:49,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:49,892 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 5 treesize of output 3 [2024-04-28 09:55:49,943 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 23 treesize of output 17 [2024-04-28 09:55:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:50,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:50,098 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:55:50,099 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 12 [2024-04-28 09:55:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:50,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2086294932] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:50,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:50,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2024-04-28 09:55:50,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523875166] [2024-04-28 09:55:50,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:50,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-28 09:55:50,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:50,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-28 09:55:50,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-04-28 09:55:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:50,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:50,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 4.052631578947368) internal successors, (77), 18 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:50,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:50,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:50,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-28 09:55:50,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:51,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:51,096 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)] === [2024-04-28 09:55:51,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:51,096 INFO L85 PathProgramCache]: Analyzing trace with hash -696923514, now seen corresponding path program 3 times [2024-04-28 09:55:51,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:51,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076335680] [2024-04-28 09:55:51,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:51,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:51,385 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:51,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:51,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076335680] [2024-04-28 09:55:51,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076335680] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:51,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509215460] [2024-04-28 09:55:51,385 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:55:51,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:51,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:51,387 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:51,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-28 09:55:51,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-28 09:55:51,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:51,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-28 09:55:51,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:51,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:51,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:51,904 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 14 treesize of output 18 [2024-04-28 09:55:52,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:52,005 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 18 treesize of output 22 [2024-04-28 09:55:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:52,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509215460] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:52,070 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:52,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 34 [2024-04-28 09:55:52,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578917230] [2024-04-28 09:55:52,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:52,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-28 09:55:52,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:52,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-28 09:55:52,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1048, Unknown=0, NotChecked=0, Total=1190 [2024-04-28 09:55:52,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:52,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:52,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.6) internal successors, (91), 34 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-28 09:55:52,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:53,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:53,164 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:53,356 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,SelfDestructingSolverStorable7 [2024-04-28 09:55:53,356 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)] === [2024-04-28 09:55:53,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:53,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1940794744, now seen corresponding path program 4 times [2024-04-28 09:55:53,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:53,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446118518] [2024-04-28 09:55:53,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:53,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:53,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:55:53,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:53,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446118518] [2024-04-28 09:55:53,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446118518] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:53,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384064859] [2024-04-28 09:55:53,458 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 09:55:53,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:53,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:53,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:53,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-28 09:55:53,490 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 09:55:53,490 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:53,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-28 09:55:53,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:55:53,547 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:53,579 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-28 09:55:53,579 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 12 [2024-04-28 09:55:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:55:53,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384064859] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:53,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:53,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-04-28 09:55:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709113096] [2024-04-28 09:55:53,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:53,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-28 09:55:53,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:53,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-28 09:55:53,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-04-28 09:55:53,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:53,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:53,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:53,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:53,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:53,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:53,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:55:53,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:53,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:53,950 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)] === [2024-04-28 09:55:53,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:53,950 INFO L85 PathProgramCache]: Analyzing trace with hash -265005412, now seen corresponding path program 5 times [2024-04-28 09:55:53,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:53,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283937357] [2024-04-28 09:55:53,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:53,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-28 09:55:54,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:54,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283937357] [2024-04-28 09:55:54,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283937357] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:54,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700783025] [2024-04-28 09:55:54,063 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 09:55:54,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:54,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:54,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:54,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-28 09:55:54,121 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-04-28 09:55:54,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:54,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-28 09:55:54,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:55:54,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:54,325 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:54,325 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 17 [2024-04-28 09:55:54,372 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:54,373 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 17 treesize of output 21 [2024-04-28 09:55:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-28 09:55:54,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1700783025] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:54,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:54,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2024-04-28 09:55:54,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613028175] [2024-04-28 09:55:54,428 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:54,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-28 09:55:54,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:54,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-28 09:55:54,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2024-04-28 09:55:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:54,430 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:54,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.65) internal successors, (93), 19 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:55:54,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:55,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:55:55,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-28 09:55:55,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-28 09:55:55,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-28 09:55:55,341 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)] === [2024-04-28 09:55:55,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:55:55,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1663800773, now seen corresponding path program 6 times [2024-04-28 09:55:55,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:55:55,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572491748] [2024-04-28 09:55:55,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:55:55,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:55:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:55:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-28 09:55:55,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:55:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572491748] [2024-04-28 09:55:55,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572491748] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:55:55,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667695360] [2024-04-28 09:55:55,876 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 09:55:55,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:55:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:55:55,877 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:55:55,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-28 09:55:55,915 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-04-28 09:55:55,915 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:55:55,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-28 09:55:55,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:55:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:56,730 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:55:57,309 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:55:57,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:57,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 36 treesize of output 58 [2024-04-28 09:55:57,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:55:57,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 80 [2024-04-28 09:55:57,872 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:55:57,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667695360] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:55:57,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:55:57,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 59 [2024-04-28 09:55:57,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803145010] [2024-04-28 09:55:57,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:55:57,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-28 09:55:57,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:55:57,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-28 09:55:57,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=3240, Unknown=0, NotChecked=0, Total=3540 [2024-04-28 09:55:57,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:55:57,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:55:57,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 2.4166666666666665) internal successors, (145), 59 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:55:57,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-28 09:55:57,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:04,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-04-28 09:56:04,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-28 09:56:04,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-28 09:56:04,944 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,SelfDestructingSolverStorable10 [2024-04-28 09:56:04,945 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)] === [2024-04-28 09:56:04,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:04,945 INFO L85 PathProgramCache]: Analyzing trace with hash 146743801, now seen corresponding path program 7 times [2024-04-28 09:56:04,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:04,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976149824] [2024-04-28 09:56:04,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:04,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 116 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-28 09:56:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:05,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976149824] [2024-04-28 09:56:05,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976149824] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:05,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367210646] [2024-04-28 09:56:05,395 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 09:56:05,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:05,396 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:05,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-28 09:56:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:05,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-28 09:56:05,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:05,524 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 5 treesize of output 3 [2024-04-28 09:56:05,619 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 12 treesize of output 8 [2024-04-28 09:56:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-04-28 09:56:05,639 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:05,710 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:56:05,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2024-04-28 09:56:05,785 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-04-28 09:56:05,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367210646] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:56:05,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:56:05,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 10] total 23 [2024-04-28 09:56:05,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639168137] [2024-04-28 09:56:05,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:56:05,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-28 09:56:05,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:56:05,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-28 09:56:05,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2024-04-28 09:56:05,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:05,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:56:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.75) internal successors, (114), 23 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-28 09:56:05,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:06,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-04-28 09:56:06,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-28 09:56:06,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-28 09:56:07,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:07,062 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)] === [2024-04-28 09:56:07,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:07,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1135136202, now seen corresponding path program 8 times [2024-04-28 09:56:07,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:07,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864025233] [2024-04-28 09:56:07,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:08,455 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 22 proven. 129 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-04-28 09:56:08,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:08,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864025233] [2024-04-28 09:56:08,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864025233] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:08,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530507959] [2024-04-28 09:56:08,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:56:08,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:08,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:08,459 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:08,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-28 09:56:08,512 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:56:08,512 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:56:08,514 WARN L260 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 110 conjunts are in the unsatisfiable core [2024-04-28 09:56:08,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:56:11,018 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:13,223 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:13,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 286 [2024-04-28 09:56:15,173 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:15,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 72 treesize of output 276 [2024-04-28 09:56:15,419 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 3 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:56:15,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530507959] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:56:15,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:56:15,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 38, 38] total 98 [2024-04-28 09:56:15,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180655814] [2024-04-28 09:56:15,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:56:15,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-04-28 09:56:15,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:56:15,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-04-28 09:56:15,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=9144, Unknown=0, NotChecked=0, Total=9702 [2024-04-28 09:56:15,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:15,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:56:15,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 2.2525252525252526) internal successors, (223), 98 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:56:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 09:56:15,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-28 09:56:15,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:25,946 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:25,946 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 14 treesize of output 8 [2024-04-28 09:56:26,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:26,273 INFO L85 PathProgramCache]: Analyzing trace with hash -2058277297, now seen corresponding path program 1 times [2024-04-28 09:56:26,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:26,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-04-28 09:56:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:26,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:26,388 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 31 proven. 6 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2024-04-28 09:56:26,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:26,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:26,693 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 14 treesize of output 8 [2024-04-28 09:56:26,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:26,724 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 14 treesize of output 8 [2024-04-28 09:56:26,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:26,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:26,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash -266278465, now seen corresponding path program 2 times [2024-04-28 09:56:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:26,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:26,886 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-28 09:56:26,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:26,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:26,927 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-28 09:56:27,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:27,114 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 14 treesize of output 8 [2024-04-28 09:56:27,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash 239169029, now seen corresponding path program 3 times [2024-04-28 09:56:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:56:27,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:56:27,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:56:27,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:27,344 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:27,344 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 14 treesize of output 8 [2024-04-28 09:56:27,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:27,411 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 14 treesize of output 8 [2024-04-28 09:56:27,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1981853379, now seen corresponding path program 4 times [2024-04-28 09:56:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:27,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:56:27,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-28 09:56:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-28 09:56:27,643 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:27,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:27,745 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 14 treesize of output 8 [2024-04-28 09:56:27,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1455049799, now seen corresponding path program 5 times [2024-04-28 09:56:27,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:27,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 38 proven. 4 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-04-28 09:56:27,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:27,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 38 proven. 4 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2024-04-28 09:56:28,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:28,219 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:28,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 9 [2024-04-28 09:56:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -663319353, now seen corresponding path program 6 times [2024-04-28 09:56:28,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:28,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-04-28 09:56:28,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:28,321 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-04-28 09:56:28,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:28,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:28,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2024-04-28 09:56:28,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1698554687, now seen corresponding path program 7 times [2024-04-28 09:56:28,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:28,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-04-28 09:56:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:29,071 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-04-28 09:56:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:31,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:31,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-28 09:56:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:31,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-28 09:56:31,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable12,SelfDestructingSolverStorable23,SelfDestructingSolverStorable13,SelfDestructingSolverStorable24,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-04-28 09:56:31,804 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)] === [2024-04-28 09:56:31,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:31,805 INFO L85 PathProgramCache]: Analyzing trace with hash 182418216, now seen corresponding path program 9 times [2024-04-28 09:56:31,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:31,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656433519] [2024-04-28 09:56:31,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 47 proven. 132 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-04-28 09:56:31,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656433519] [2024-04-28 09:56:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656433519] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:31,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794869157] [2024-04-28 09:56:31,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:56:31,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:31,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:31,924 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:31,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-28 09:56:31,998 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-28 09:56:31,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:56:31,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-28 09:56:32,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:32,086 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 47 proven. 108 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-04-28 09:56:32,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:32,201 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 47 proven. 108 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-04-28 09:56:32,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794869157] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:56:32,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:56:32,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-04-28 09:56:32,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199653839] [2024-04-28 09:56:32,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:56:32,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-28 09:56:32,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:56:32,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-28 09:56:32,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-04-28 09:56:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:32,203 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:56:32,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 140 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-28 09:56:32,204 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:32,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:56:32,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:56:32,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-28 09:56:33,168 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,SelfDestructingSolverStorable25 [2024-04-28 09:56:33,168 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)] === [2024-04-28 09:56:33,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:33,169 INFO L85 PathProgramCache]: Analyzing trace with hash 2130151719, now seen corresponding path program 10 times [2024-04-28 09:56:33,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:33,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783263555] [2024-04-28 09:56:33,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:33,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:33,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:33,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783263555] [2024-04-28 09:56:33,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783263555] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:33,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265903257] [2024-04-28 09:56:33,384 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-28 09:56:33,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:33,384 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:33,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:33,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-28 09:56:33,433 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-28 09:56:33,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:56:33,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-28 09:56:33,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:33,502 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 5 treesize of output 3 [2024-04-28 09:56:33,573 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 12 treesize of output 8 [2024-04-28 09:56:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:33,576 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:33,674 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:56:33,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2024-04-28 09:56:33,759 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:33,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265903257] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:56:33,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:56:33,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 15 [2024-04-28 09:56:33,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990199987] [2024-04-28 09:56:33,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:56:33,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-28 09:56:33,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:56:33,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-28 09:56:33,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-04-28 09:56:33,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:33,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:56:33,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.875) internal successors, (78), 15 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:56:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:34,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:56:34,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:56:34,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-28 09:56:34,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-04-28 09:56:34,578 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)] === [2024-04-28 09:56:34,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:34,579 INFO L85 PathProgramCache]: Analyzing trace with hash -505345421, now seen corresponding path program 11 times [2024-04-28 09:56:34,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:34,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005160123] [2024-04-28 09:56:34,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:34,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:34,785 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:34,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005160123] [2024-04-28 09:56:34,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005160123] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:34,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433719139] [2024-04-28 09:56:34,785 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-28 09:56:34,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:34,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:34,786 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:34,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-28 09:56:34,840 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-28 09:56:34,840 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:56:34,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-28 09:56:34,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:34,924 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 5 treesize of output 3 [2024-04-28 09:56:34,985 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 12 treesize of output 8 [2024-04-28 09:56:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:34,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:35,041 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:56:35,041 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2024-04-28 09:56:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 201 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-04-28 09:56:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433719139] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:56:35,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:56:35,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 12] total 14 [2024-04-28 09:56:35,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101046605] [2024-04-28 09:56:35,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:56:35,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-28 09:56:35,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:56:35,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-28 09:56:35,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-04-28 09:56:35,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:35,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:56:35,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:56:35,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:56:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:56:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 09:56:35,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-28 09:56:36,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-04-28 09:56:36,008 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)] === [2024-04-28 09:56:36,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:56:36,009 INFO L85 PathProgramCache]: Analyzing trace with hash -386118224, now seen corresponding path program 12 times [2024-04-28 09:56:36,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:56:36,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144704109] [2024-04-28 09:56:36,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:56:36,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:56:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:56:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 240 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-04-28 09:56:38,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:56:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144704109] [2024-04-28 09:56:38,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144704109] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:56:38,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018079679] [2024-04-28 09:56:38,058 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-28 09:56:38,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:56:38,058 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:56:38,060 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:56:38,070 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-28 09:56:38,125 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-28 09:56:38,125 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:56:38,127 WARN L260 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 158 conjunts are in the unsatisfiable core [2024-04-28 09:56:38,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:56:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:56:42,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:42,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 39 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 6 case distinctions, treesize of input 87 treesize of output 99 [2024-04-28 09:56:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:56:43,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:56:57,837 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,838 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,839 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,843 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,844 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,845 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,845 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,853 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,854 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,858 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,860 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,861 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,862 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,863 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,866 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,867 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,867 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,868 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,869 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:57,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:56:58,001 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:56:58,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 126 treesize of output 336 [2024-04-28 09:56:59,055 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,140 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,159 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,196 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,536 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,569 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,627 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,660 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,699 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,720 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,790 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:56:59,815 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,122 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,138 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,164 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,182 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,192 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,195 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,204 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,230 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,233 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,274 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,294 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,335 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:00,347 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 09:57:01,441 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,442 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,443 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,444 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,444 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,445 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,445 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,447 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,447 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,447 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,447 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,450 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,451 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,452 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,453 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,453 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,453 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,453 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:01,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:57:01,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 211 treesize of output 385 [2024-04-28 09:57:02,798 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 338 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:02,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018079679] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:02,799 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:02,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 56, 56] total 143 [2024-04-28 09:57:02,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475430715] [2024-04-28 09:57:02,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:02,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-04-28 09:57:02,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:02,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-04-28 09:57:02,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2230, Invalid=18359, Unknown=3, NotChecked=0, Total=20592 [2024-04-28 09:57:02,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:02,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:02,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 2.076388888888889) internal successors, (299), 143 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 09:57:02,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:31,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-28 09:57:34,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-28 09:57:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:41,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-28 09:57:41,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2024-04-28 09:57:41,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-28 09:57:42,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-28 09:57:42,008 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 09:57:42,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:42,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1442235742, now seen corresponding path program 13 times [2024-04-28 09:57:42,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:42,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790855968] [2024-04-28 09:57:42,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:42,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:42,149 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 68 proven. 244 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2024-04-28 09:57:42,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790855968] [2024-04-28 09:57:42,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790855968] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:42,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91989602] [2024-04-28 09:57:42,150 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-28 09:57:42,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:42,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:42,151 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:57:42,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-28 09:57:42,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:42,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-28 09:57:42,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 68 proven. 214 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-04-28 09:57:42,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:42,506 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 68 proven. 214 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2024-04-28 09:57:42,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91989602] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:42,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:42,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 7 [2024-04-28 09:57:42,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494877343] [2024-04-28 09:57:42,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:42,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-28 09:57:42,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:42,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-28 09:57:42,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-04-28 09:57:42,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:42,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:42,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 7 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 178 states. [2024-04-28 09:57:42,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:44,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-04-28 09:57:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:44,311 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:44,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:44,509 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 09:57:44,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:44,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1520732833, now seen corresponding path program 14 times [2024-04-28 09:57:44,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:44,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530735317] [2024-04-28 09:57:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 370 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-04-28 09:57:45,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:45,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530735317] [2024-04-28 09:57:45,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530735317] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:45,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120922094] [2024-04-28 09:57:45,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 09:57:45,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:45,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:45,143 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:57:45,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-28 09:57:45,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 09:57:45,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:45,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-28 09:57:45,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:45,381 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 5 treesize of output 3 [2024-04-28 09:57:45,565 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 12 treesize of output 8 [2024-04-28 09:57:45,588 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-28 09:57:45,588 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:57:45,710 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2024-04-28 09:57:45,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 14 [2024-04-28 09:57:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-04-28 09:57:45,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120922094] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 09:57:45,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 09:57:45,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 13, 14] total 35 [2024-04-28 09:57:45,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600682810] [2024-04-28 09:57:45,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 09:57:45,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-28 09:57:45,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 09:57:45,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-28 09:57:45,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1157, Unknown=0, NotChecked=0, Total=1260 [2024-04-28 09:57:45,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:45,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 09:57:45,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.666666666666667) internal successors, (168), 35 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:45,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:48,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-28 09:57:48,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-28 09:57:48,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-28 09:57:48,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-04-28 09:57:48,771 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-28 09:57:48,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 09:57:48,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1085373482, now seen corresponding path program 15 times [2024-04-28 09:57:48,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 09:57:48,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774016148] [2024-04-28 09:57:48,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 09:57:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 09:57:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 09:57:51,703 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 42 proven. 399 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-04-28 09:57:51,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 09:57:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774016148] [2024-04-28 09:57:51,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774016148] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 09:57:51,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757200681] [2024-04-28 09:57:51,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 09:57:51,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 09:57:51,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 09:57:51,705 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 09:57:51,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-28 09:57:51,777 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-04-28 09:57:51,777 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 09:57:51,780 WARN L260 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 188 conjunts are in the unsatisfiable core [2024-04-28 09:57:51,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 09:57:57,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,647 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-28 09:57:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-28 09:57:57,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 31 [2024-04-28 09:57:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 09:57:59,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 09:58:12,282 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-28 09:58:12,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 148 treesize of output 872 [2024-04-28 09:58:35,949 WARN L293 SmtUtils]: Spent 10.66s on a formula simplification. DAG size of input: 1087 DAG size of output: 996 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-04-28 09:58:35,950 INFO L349 Elim1Store]: treesize reduction 280, result has 89.0 percent of original size [2024-04-28 09:58:35,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 405 treesize of output 2481 [2024-04-28 09:59:09,609 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:14,341 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:16,125 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 09:59:16,679 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:18,315 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:20,311 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 09:59:25,291 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:27,091 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:28,029 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:29,952 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:30,720 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:32,386 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 09:59:37,164 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 09:59:39,243 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 09:59:44,705 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:45,470 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 09:59:47,678 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:49,564 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:50,279 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 09:59:50,583 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:51,352 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 09:59:51,613 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 09:59:52,218 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:53,761 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 09:59:54,376 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 09:59:56,176 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:56,966 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:57,257 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 09:59:58,033 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 09:59:58,744 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:00,491 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:01,188 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:00:01,687 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:04,401 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:05,137 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:05,486 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:06,206 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:07,641 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:08,207 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:08,772 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:00:09,033 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:10,191 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:12,851 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:13,119 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:13,857 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:15,936 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:16,352 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:19,002 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:19,902 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:20,565 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:22,534 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:24,702 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:25,369 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:26,110 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:28,243 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:30,954 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:31,844 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:34,792 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:35,635 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:36,437 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:36,776 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:39,236 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:39,794 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:41,338 WARN L667 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2024-04-28 10:00:44,820 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:45,401 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:46,900 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:47,492 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:00:47,722 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:48,418 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:50,202 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:50,466 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:51,213 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:53,019 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:53,733 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:54,401 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:54,702 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:55,478 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:00:55,806 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:00:57,839 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:00:58,705 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:00:59,386 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:00:59,641 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:01,452 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:02,150 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:02,715 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:04,232 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:04,448 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:05,080 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:05,332 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:06,027 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:06,693 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:08,467 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:01:10,287 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:11,010 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:11,288 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:12,085 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:12,363 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:13,060 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:13,738 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:15,542 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:01:15,792 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:16,426 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:18,004 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:18,655 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:19,401 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:19,693 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:20,400 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:22,217 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:22,510 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:23,204 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:23,896 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:25,717 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:26,008 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:26,725 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:27,434 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:29,240 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:29,982 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:01:31,800 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:32,572 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:32,938 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:33,570 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:35,112 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:35,380 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:36,021 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:36,756 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:37,069 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:37,772 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:39,691 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:39,992 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:40,688 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:01:42,457 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:43,192 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:44,735 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:45,398 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:45,649 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:46,328 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:46,879 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:01:47,111 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:48,475 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:49,047 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:51,258 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:51,970 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:52,654 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:52,979 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:01:54,531 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:55,185 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:55,436 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:56,106 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:56,659 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:01:58,073 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:01:58,309 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:01:58,907 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:00,533 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:01,174 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:01,760 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:02:02,112 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-28 10:02:02,328 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:02:02,840 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:04,106 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:02:04,713 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:06,572 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:07,296 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:07,573 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:08,288 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:08,781 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:10,062 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:10,536 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:10,766 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:11,345 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:11,583 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:13,095 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:13,708 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:02:15,602 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:16,299 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:17,004 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:17,356 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:18,864 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:19,442 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:19,660 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:20,239 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:02:20,402 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:20,816 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:21,242 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:22,390 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:22,994 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:23,229 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:23,830 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:25,679 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:26,150 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:26,366 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:27,603 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:28,189 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:28,420 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:28,979 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:30,360 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:30,965 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:31,273 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:31,976 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:33,809 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:34,525 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:02:36,374 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:37,122 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:37,437 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:38,240 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:38,500 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:39,128 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:40,690 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:41,403 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:42,960 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:43,612 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:44,279 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:44,571 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:45,082 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:46,382 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-28 10:02:46,599 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:47,194 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:02:47,432 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:48,037 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:49,415 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:50,030 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:50,658 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:50,983 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:51,620 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:53,202 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:02:54,686 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:55,294 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:55,702 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:56,342 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:02:56,533 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:57,042 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:57,518 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:02:58,789 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:02:59,376 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:01,014 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:01,597 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:03:01,852 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:02,881 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:03:03,323 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:03:03,741 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-28 10:03:03,956 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:03:05,455 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:06,057 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:06,305 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:06,931 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:03:07,739 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:08,075 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:03:08,878 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:03:10,953 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:11,239 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:11,952 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:03:13,780 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:14,523 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:15,005 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-04-28 10:03:15,202 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:16,428 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:17,217 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:03:35,230 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:42,573 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:49,790 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-04-28 10:03:52,667 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:03:55,505 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:04:03,079 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:04:24,483 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:04:33,377 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:04:41,653 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:05:04,515 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-04-28 10:05:07,711 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:05:16,341 WARN L667 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2024-04-28 10:05:25,401 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-28 10:05:28,722 WARN L667 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2024-04-28 10:05:48,201 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-04-28 10:05:48,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-04-28 10:05:48,202 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-04-28 10:05:48,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-28 10:05:48,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 10:05:48,405 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 69 more [2024-04-28 10:05:48,408 INFO L158 Benchmark]: Toolchain (without parser) took 602158.51ms. Allocated memory was 161.5MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 125.6MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-04-28 10:05:48,409 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 10:05:48,409 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.62ms. Allocated memory was 161.5MB in the beginning and 295.7MB in the end (delta: 134.2MB). Free memory was 125.5MB in the beginning and 266.2MB in the end (delta: -140.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. [2024-04-28 10:05:48,409 INFO L158 Benchmark]: Boogie Preprocessor took 29.26ms. Allocated memory is still 295.7MB. Free memory was 266.2MB in the beginning and 264.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 10:05:48,409 INFO L158 Benchmark]: RCFGBuilder took 258.69ms. Allocated memory is still 295.7MB. Free memory was 264.6MB in the beginning and 253.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-28 10:05:48,409 INFO L158 Benchmark]: TraceAbstraction took 601828.78ms. Allocated memory was 295.7MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 251.9MB in the beginning and 1.1GB in the end (delta: -885.6MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-04-28 10:05:48,410 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11ms. Allocated memory is still 161.5MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.62ms. Allocated memory was 161.5MB in the beginning and 295.7MB in the end (delta: 134.2MB). Free memory was 125.5MB in the beginning and 266.2MB in the end (delta: -140.7MB). Peak memory consumption was 7.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.26ms. Allocated memory is still 295.7MB. Free memory was 266.2MB in the beginning and 264.7MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 258.69ms. Allocated memory is still 295.7MB. Free memory was 264.6MB in the beginning and 253.1MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 601828.78ms. Allocated memory was 295.7MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 251.9MB in the beginning and 1.1GB in the end (delta: -885.6MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-28 10:05:48,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Received shutdown request...