/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-03 20:33:14,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-03 20:33:14,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-03 20:33:14,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-03 20:33:14,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-03 20:33:14,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-03 20:33:14,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-03 20:33:14,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-03 20:33:14,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-03 20:33:14,665 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-03 20:33:14,665 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-03 20:33:14,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-03 20:33:14,666 INFO L153 SettingsManager]: * Use SBE=true [2024-05-03 20:33:14,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-03 20:33:14,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-03 20:33:14,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-03 20:33:14,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-03 20:33:14,670 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-03 20:33:14,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-03 20:33:14,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 20:33:14,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-03 20:33:14,673 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-03 20:33:14,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-03 20:33:14,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-03 20:33:14,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-03 20:33:14,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-03 20:33:14,918 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-03 20:33:14,918 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-03 20:33:14,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl [2024-05-03 20:33:14,919 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series-array.wvr.bpl' [2024-05-03 20:33:14,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-03 20:33:14,942 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-03 20:33:14,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-03 20:33:14,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-03 20:33:14,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-03 20:33:14,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,962 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-03 20:33:14,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-03 20:33:14,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-03 20:33:14,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-03 20:33:14,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-03 20:33:14,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,972 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,982 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,983 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-03 20:33:14,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-03 20:33:14,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-03 20:33:14,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-03 20:33:14,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/1) ... [2024-05-03 20:33:14,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-03 20:33:15,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:15,018 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-03 20:33:15,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-03 20:33:15,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-03 20:33:15,051 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-03 20:33:15,051 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-03 20:33:15,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-03 20:33:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-03 20:33:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-03 20:33:15,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-03 20:33:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-03 20:33:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-03 20:33:15,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-05-03 20:33:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-03 20:33:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-03 20:33:15,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-05-03 20:33:15,052 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-03 20:33:15,052 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-03 20:33:15,053 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-03 20:33:15,090 INFO L241 CfgBuilder]: Building ICFG [2024-05-03 20:33:15,091 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-03 20:33:15,180 INFO L282 CfgBuilder]: Performing block encoding [2024-05-03 20:33:15,197 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-03 20:33:15,197 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-03 20:33:15,198 INFO L201 PluginConnector]: Adding new model buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:33:15 BoogieIcfgContainer [2024-05-03 20:33:15,198 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-03 20:33:15,200 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-03 20:33:15,200 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-03 20:33:15,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-03 20:33:15,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.05 08:33:14" (1/2) ... [2024-05-03 20:33:15,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@461c974b and model type buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 08:33:15, skipping insertion in model container [2024-05-03 20:33:15,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 08:33:15" (2/2) ... [2024-05-03 20:33:15,206 INFO L112 eAbstractionObserver]: Analyzing ICFG buffer-series-array.wvr.bpl [2024-05-03 20:33:15,211 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-03 20:33:15,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-03 20:33:15,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-03 20:33:15,217 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-03 20:33:15,250 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-03 20:33:15,277 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-03 20:33:15,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-03 20:33:15,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:15,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-03 20:33:15,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-03 20:33:15,308 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-03 20:33:15,318 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:15,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-03 20:33:15,324 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;@294e89eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-03 20:33:15,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-03 20:33:15,354 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:15,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:15,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1461778335, now seen corresponding path program 1 times [2024-05-03 20:33:15,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:15,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989934558] [2024-05-03 20:33:15,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:15,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:15,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:15,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:15,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989934558] [2024-05-03 20:33:15,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989934558] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:15,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:15,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-03 20:33:15,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288422569] [2024-05-03 20:33:15,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:15,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-03 20:33:15,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:15,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-03 20:33:15,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-03 20:33:15,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,537 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:15,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:15,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-03 20:33:15,561 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:15,562 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:15,562 INFO L85 PathProgramCache]: Analyzing trace with hash 588839871, now seen corresponding path program 1 times [2024-05-03 20:33:15,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:15,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429851890] [2024-05-03 20:33:15,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:15,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:15,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:15,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:15,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429851890] [2024-05-03 20:33:15,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429851890] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:15,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:15,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 20:33:15,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286750472] [2024-05-03 20:33:15,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:15,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:15,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:15,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-03 20:33:15,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-03 20:33:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,676 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:15,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-03 20:33:15,731 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:15,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:15,732 INFO L85 PathProgramCache]: Analyzing trace with hash 640941063, now seen corresponding path program 1 times [2024-05-03 20:33:15,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:15,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632452680] [2024-05-03 20:33:15,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:15,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:15,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:15,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632452680] [2024-05-03 20:33:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632452680] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:15,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 20:33:15,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800562958] [2024-05-03 20:33:15,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:15,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-03 20:33:15,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-03 20:33:15,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:15,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:15,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-03 20:33:15,942 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:15,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:15,943 INFO L85 PathProgramCache]: Analyzing trace with hash -2028238414, now seen corresponding path program 1 times [2024-05-03 20:33:15,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:15,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462857181] [2024-05-03 20:33:15,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:15,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:15,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:15,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:15,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462857181] [2024-05-03 20:33:15,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462857181] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:15,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:15,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 20:33:15,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29691758] [2024-05-03 20:33:15,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:15,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:15,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:15,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-03 20:33:15,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-03 20:33:15,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:15,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:15,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:15,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:16,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-03 20:33:16,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:16,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:16,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1005018021, now seen corresponding path program 1 times [2024-05-03 20:33:16,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:16,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41700894] [2024-05-03 20:33:16,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:16,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:16,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41700894] [2024-05-03 20:33:16,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41700894] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:16,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:16,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 20:33:16,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38988269] [2024-05-03 20:33:16,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:16,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:16,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:16,360 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 8 treesize of output 6 [2024-05-03 20:33:16,423 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 8 treesize of output 6 [2024-05-03 20:33:16,440 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 1 times [2024-05-03 20:33:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:16,456 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:16,557 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 1 times [2024-05-03 20:33:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:16,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:16,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:16,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:16,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 20:33:16,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-03 20:33:16,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:16,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:16,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:16,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:16,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:16,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:16,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:16,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:16,777 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-03 20:33:16,777 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:16,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:16,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1361035028, now seen corresponding path program 1 times [2024-05-03 20:33:16,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:16,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886150262] [2024-05-03 20:33:16,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:16,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:16,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886150262] [2024-05-03 20:33:16,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886150262] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:16,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-03 20:33:16,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-03 20:33:16,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123198684] [2024-05-03 20:33:16,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:16,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:16,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:16,868 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 8 treesize of output 6 [2024-05-03 20:33:16,903 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 8 treesize of output 6 [2024-05-03 20:33:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 2 times [2024-05-03 20:33:16,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:16,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:16,992 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 2 times [2024-05-03 20:33:16,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:16,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:16,997 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:17,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-03 20:33:17,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-03 20:33:17,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:17,008 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:17,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:17,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:17,008 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:17,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:17,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:17,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:17,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,SelfDestructingSolverStorable9 [2024-05-03 20:33:17,047 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:17,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:17,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1300205110, now seen corresponding path program 1 times [2024-05-03 20:33:17,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:17,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248599952] [2024-05-03 20:33:17,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:17,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:17,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:17,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:17,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248599952] [2024-05-03 20:33:17,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248599952] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:17,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755681145] [2024-05-03 20:33:17,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:17,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:17,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:17,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:17,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-03 20:33:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:17,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-03 20:33:17,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:17,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-05-03 20:33:17,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-05-03 20:33:17,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:17,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:17,466 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:17,467 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 21 treesize of output 25 [2024-05-03 20:33:17,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:17,510 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 22 treesize of output 26 [2024-05-03 20:33:17,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:17,516 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 22 treesize of output 26 [2024-05-03 20:33:17,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:17,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755681145] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:17,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:17,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-05-03 20:33:17,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160793994] [2024-05-03 20:33:17,591 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:17,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-03 20:33:17,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:17,714 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 8 treesize of output 6 [2024-05-03 20:33:17,833 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 8 treesize of output 6 [2024-05-03 20:33:17,856 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 3 times [2024-05-03 20:33:17,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:17,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:17,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-03 20:33:17,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-05-03 20:33:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:17,874 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:17,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 10 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:17,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:18,191 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,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12 [2024-05-03 20:33:18,191 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:18,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:18,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1241886440, now seen corresponding path program 2 times [2024-05-03 20:33:18,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:18,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256243016] [2024-05-03 20:33:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:18,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:18,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256243016] [2024-05-03 20:33:18,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256243016] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:18,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049620649] [2024-05-03 20:33:18,232 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 20:33:18,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:18,236 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:18,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-03 20:33:18,268 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 20:33:18,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:18,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 20:33:18,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:18,295 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 20:33:18,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049620649] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:18,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 20:33:18,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-05-03 20:33:18,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409756275] [2024-05-03 20:33:18,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:18,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:18,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:18,343 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 8 treesize of output 6 [2024-05-03 20:33:18,378 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 8 treesize of output 6 [2024-05-03 20:33:18,385 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 3 times [2024-05-03 20:33:18,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:18,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,451 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 4 times [2024-05-03 20:33:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-03 20:33:18,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-05-03 20:33:18,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:18,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:18,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:18,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:18,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:18,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:18,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2024-05-03 20:33:18,696 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:18,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:18,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1293987632, now seen corresponding path program 3 times [2024-05-03 20:33:18,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:18,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7839871] [2024-05-03 20:33:18,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:18,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7839871] [2024-05-03 20:33:18,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7839871] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:18,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139061693] [2024-05-03 20:33:18,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 20:33:18,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:18,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:18,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:18,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-03 20:33:18,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-05-03 20:33:18,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:18,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-03 20:33:18,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:18,793 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:18,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-03 20:33:18,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139061693] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-03 20:33:18,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-03 20:33:18,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2024-05-03 20:33:18,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122490020] [2024-05-03 20:33:18,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-03 20:33:18,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-03 20:33:18,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:18,842 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 8 treesize of output 6 [2024-05-03 20:33:18,868 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 8 treesize of output 6 [2024-05-03 20:33:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 4 times [2024-05-03 20:33:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,917 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 5 times [2024-05-03 20:33:18,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1672854790, now seen corresponding path program 1 times [2024-05-03 20:33:18,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:18,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:19,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:19,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:19,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-03 20:33:19,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-05-03 20:33:19,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:19,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:19,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,014 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:19,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:19,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-03 20:33:19,297 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:19,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:19,297 INFO L85 PathProgramCache]: Analyzing trace with hash 975215081, now seen corresponding path program 4 times [2024-05-03 20:33:19,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:19,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406753759] [2024-05-03 20:33:19,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:19,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:19,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:19,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406753759] [2024-05-03 20:33:19,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406753759] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:19,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [846979418] [2024-05-03 20:33:19,348 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 20:33:19,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:19,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:19,349 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:19,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-03 20:33:19,383 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 20:33:19,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:19,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 20:33:19,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:19,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:19,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [846979418] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:19,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:19,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2024-05-03 20:33:19,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626399983] [2024-05-03 20:33:19,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:19,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 20:33:19,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:19,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-03 20:33:19,559 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 8 treesize of output 6 [2024-05-03 20:33:19,568 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 5 times [2024-05-03 20:33:19,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:19,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:19,572 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:19,646 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 6 times [2024-05-03 20:33:19,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:19,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:19,649 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:19,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 20:33:19,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-03 20:33:19,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:19,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:19,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:19,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:19,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:19,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:19,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-03 20:33:19,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:20,033 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,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23 [2024-05-03 20:33:20,034 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:20,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:20,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1998435474, now seen corresponding path program 5 times [2024-05-03 20:33:20,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:20,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420712505] [2024-05-03 20:33:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:20,066 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:20,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:20,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420712505] [2024-05-03 20:33:20,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420712505] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:20,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974534038] [2024-05-03 20:33:20,066 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-03 20:33:20,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:20,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:20,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:20,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-03 20:33:20,101 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-05-03 20:33:20,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:20,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-03 20:33:20,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:20,180 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:20,208 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:20,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974534038] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:20,208 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:20,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 4] total 8 [2024-05-03 20:33:20,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660289880] [2024-05-03 20:33:20,210 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:20,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-03 20:33:20,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:20,271 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 8 treesize of output 6 [2024-05-03 20:33:20,314 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 8 treesize of output 6 [2024-05-03 20:33:20,324 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 6 times [2024-05-03 20:33:20,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:20,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,405 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 7 times [2024-05-03 20:33:20,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,469 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 8 treesize of output 6 [2024-05-03 20:33:20,502 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 8 treesize of output 6 [2024-05-03 20:33:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -423939046, now seen corresponding path program 1 times [2024-05-03 20:33:20,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,588 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 2 times [2024-05-03 20:33:20,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:20,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-03 20:33:20,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-05-03 20:33:20,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:20,598 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:20,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 8 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:20,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-03 20:33:20,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:20,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:20,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:20,801 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:20,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2024-05-03 20:33:20,985 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:20,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:20,985 INFO L85 PathProgramCache]: Analyzing trace with hash -973083661, now seen corresponding path program 6 times [2024-05-03 20:33:20,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:20,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409652699] [2024-05-03 20:33:20,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:20,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:21,514 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:21,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409652699] [2024-05-03 20:33:21,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409652699] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485516744] [2024-05-03 20:33:21,515 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-03 20:33:21,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:21,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:21,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-03 20:33:21,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-03 20:33:21,549 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2024-05-03 20:33:21,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:21,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 39 conjunts are in the unsatisfiable core [2024-05-03 20:33:21,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:21,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 29 [2024-05-03 20:33:21,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:21,976 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 39 treesize of output 27 [2024-05-03 20:33:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:22,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:22,217 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:22,217 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 45 treesize of output 69 [2024-05-03 20:33:22,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:22,329 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 45 treesize of output 69 [2024-05-03 20:33:22,346 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:22,347 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 67 treesize of output 85 [2024-05-03 20:33:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:22,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485516744] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:22,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:22,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 34 [2024-05-03 20:33:22,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340584172] [2024-05-03 20:33:22,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:22,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-05-03 20:33:22,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:22,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-05-03 20:33:22,868 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 10 [2024-05-03 20:33:22,928 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 10 [2024-05-03 20:33:22,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 25 [2024-05-03 20:33:23,053 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 3 times [2024-05-03 20:33:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:23,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:23,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:23,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-05-03 20:33:23,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1074, Unknown=0, NotChecked=0, Total=1260 [2024-05-03 20:33:23,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:23,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:23,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.4285714285714284) internal successors, (85), 34 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:23,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:23,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:25,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:33:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-03 20:33:25,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:25,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-05-03 20:33:25,454 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:25,454 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:25,455 INFO L85 PathProgramCache]: Analyzing trace with hash -468888955, now seen corresponding path program 7 times [2024-05-03 20:33:25,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:25,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026945591] [2024-05-03 20:33:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-03 20:33:26,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026945591] [2024-05-03 20:33:26,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026945591] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:26,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224717411] [2024-05-03 20:33:26,634 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-03 20:33:26,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:26,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:26,635 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) [2024-05-03 20:33:26,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-03 20:33:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:26,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 83 conjunts are in the unsatisfiable core [2024-05-03 20:33:26,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:28,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 61 [2024-05-03 20:33:28,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:28,296 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 85 treesize of output 57 [2024-05-03 20:33:28,332 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:28,333 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:29,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:29,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 93 treesize of output 217 [2024-05-03 20:33:30,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:30,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 89 treesize of output 213 [2024-05-03 20:33:30,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:33:30,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 239 treesize of output 321 [2024-05-03 20:33:40,194 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:33:40,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224717411] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:40,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:40,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 24, 24] total 68 [2024-05-03 20:33:40,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336953896] [2024-05-03 20:33:40,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:40,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-05-03 20:33:40,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:40,942 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 47 [2024-05-03 20:33:40,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 42 [2024-05-03 20:33:41,081 INFO L85 PathProgramCache]: Analyzing trace with hash 494137233, now seen corresponding path program 4 times [2024-05-03 20:33:41,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:41,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:41,090 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:41,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-05-03 20:33:41,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=498, Invalid=4332, Unknown=0, NotChecked=0, Total=4830 [2024-05-03 20:33:41,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:41,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:41,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 2.0869565217391304) internal successors, (144), 68 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:33:41,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:41,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:41,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-03 20:33:41,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:54,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 20:33:54,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-05-03 20:33:54,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:55,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:55,068 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:55,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:55,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1934718839, now seen corresponding path program 8 times [2024-05-03 20:33:55,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:55,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157305254] [2024-05-03 20:33:55,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:55,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 76 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-05-03 20:33:55,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:55,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157305254] [2024-05-03 20:33:55,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157305254] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:55,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120972903] [2024-05-03 20:33:55,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-03 20:33:55,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:55,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:55,263 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) [2024-05-03 20:33:55,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-03 20:33:55,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-03 20:33:55,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:55,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-03 20:33:55,341 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:33:55,754 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 395 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:33:55,755 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:33:55,883 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 47 proven. 75 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-05-03 20:33:55,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120972903] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:33:55,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:33:55,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 21, 5] total 25 [2024-05-03 20:33:55,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085141274] [2024-05-03 20:33:55,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:33:55,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-03 20:33:55,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:33:55,957 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 8 treesize of output 6 [2024-05-03 20:33:56,000 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 8 treesize of output 6 [2024-05-03 20:33:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 7 times [2024-05-03 20:33:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,012 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,075 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 8 times [2024-05-03 20:33:56,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,135 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 8 treesize of output 6 [2024-05-03 20:33:56,168 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 8 treesize of output 6 [2024-05-03 20:33:56,171 INFO L85 PathProgramCache]: Analyzing trace with hash -423939046, now seen corresponding path program 5 times [2024-05-03 20:33:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,238 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 6 times [2024-05-03 20:33:56,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,243 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,291 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 8 treesize of output 6 [2024-05-03 20:33:56,331 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 8 treesize of output 6 [2024-05-03 20:33:56,338 INFO L85 PathProgramCache]: Analyzing trace with hash 53701457, now seen corresponding path program 7 times [2024-05-03 20:33:56,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1664745256, now seen corresponding path program 8 times [2024-05-03 20:33:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,460 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 8 treesize of output 6 [2024-05-03 20:33:56,501 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 8 treesize of output 6 [2024-05-03 20:33:56,507 INFO L85 PathProgramCache]: Analyzing trace with hash 154487240, now seen corresponding path program 9 times [2024-05-03 20:33:56,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,567 INFO L85 PathProgramCache]: Analyzing trace with hash 494137233, now seen corresponding path program 10 times [2024-05-03 20:33:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,623 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 8 treesize of output 6 [2024-05-03 20:33:56,661 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 8 treesize of output 6 [2024-05-03 20:33:56,668 INFO L85 PathProgramCache]: Analyzing trace with hash -884424833, now seen corresponding path program 11 times [2024-05-03 20:33:56,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1647365958, now seen corresponding path program 12 times [2024-05-03 20:33:56,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,799 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 8 treesize of output 6 [2024-05-03 20:33:56,838 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 8 treesize of output 6 [2024-05-03 20:33:56,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1187626102, now seen corresponding path program 13 times [2024-05-03 20:33:56,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1838296413, now seen corresponding path program 14 times [2024-05-03 20:33:56,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:56,986 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 8 treesize of output 6 [2024-05-03 20:33:57,026 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 8 treesize of output 6 [2024-05-03 20:33:57,033 INFO L85 PathProgramCache]: Analyzing trace with hash 719859885, now seen corresponding path program 15 times [2024-05-03 20:33:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,042 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,101 INFO L85 PathProgramCache]: Analyzing trace with hash 840820044, now seen corresponding path program 16 times [2024-05-03 20:33:57,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,161 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 8 treesize of output 6 [2024-05-03 20:33:57,200 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 8 treesize of output 6 [2024-05-03 20:33:57,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1616376796, now seen corresponding path program 17 times [2024-05-03 20:33:57,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1431926965, now seen corresponding path program 18 times [2024-05-03 20:33:57,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,360 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 8 treesize of output 6 [2024-05-03 20:33:57,423 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 8 treesize of output 6 [2024-05-03 20:33:57,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1289830107, now seen corresponding path program 19 times [2024-05-03 20:33:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1330027742, now seen corresponding path program 20 times [2024-05-03 20:33:57,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:57,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:33:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:33:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-03 20:33:57,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1105, Unknown=0, NotChecked=0, Total=1260 [2024-05-03 20:33:57,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:57,560 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:33:57,560 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 25 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) [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-05-03 20:33:57,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 20:33:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-03 20:33:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-05-03 20:33:59,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-03 20:33:59,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable40,SelfDestructingSolverStorable51,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,SelfDestructingSolverStorable33,SelfDestructingSolverStorable44,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable45,SelfDestructingSolverStorable35,SelfDestructingSolverStorable46,SelfDestructingSolverStorable36,SelfDestructingSolverStorable47,SelfDestructingSolverStorable37,SelfDestructingSolverStorable48,SelfDestructingSolverStorable38,SelfDestructingSolverStorable49,SelfDestructingSolverStorable39 [2024-05-03 20:33:59,475 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:33:59,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:33:59,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1783300360, now seen corresponding path program 9 times [2024-05-03 20:33:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:33:59,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612341086] [2024-05-03 20:33:59,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:33:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:33:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:33:59,659 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 57 proven. 124 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2024-05-03 20:33:59,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:33:59,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612341086] [2024-05-03 20:33:59,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612341086] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:33:59,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907824227] [2024-05-03 20:33:59,659 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-03 20:33:59,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:33:59,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:33:59,660 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) [2024-05-03 20:33:59,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-03 20:33:59,741 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2024-05-03 20:33:59,741 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:33:59,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-03 20:33:59,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:34:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 58 proven. 592 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-03 20:34:00,183 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:34:00,340 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 58 proven. 112 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-05-03 20:34:00,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907824227] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-03 20:34:00,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-03 20:34:00,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 25, 5] total 30 [2024-05-03 20:34:00,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667635275] [2024-05-03 20:34:00,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-03 20:34:00,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-03 20:34:00,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-03 20:34:00,398 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 8 treesize of output 6 [2024-05-03 20:34:00,429 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 8 treesize of output 6 [2024-05-03 20:34:00,439 INFO L85 PathProgramCache]: Analyzing trace with hash -988236765, now seen corresponding path program 8 times [2024-05-03 20:34:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,441 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,505 INFO L85 PathProgramCache]: Analyzing trace with hash -570568554, now seen corresponding path program 9 times [2024-05-03 20:34:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,557 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 8 treesize of output 6 [2024-05-03 20:34:00,582 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 8 treesize of output 6 [2024-05-03 20:34:00,587 INFO L85 PathProgramCache]: Analyzing trace with hash -423939046, now seen corresponding path program 21 times [2024-05-03 20:34:00,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,647 INFO L85 PathProgramCache]: Analyzing trace with hash -257208449, now seen corresponding path program 22 times [2024-05-03 20:34:00,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,696 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 8 treesize of output 6 [2024-05-03 20:34:00,722 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 8 treesize of output 6 [2024-05-03 20:34:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash 53701457, now seen corresponding path program 23 times [2024-05-03 20:34:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1664745256, now seen corresponding path program 24 times [2024-05-03 20:34:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,831 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 8 treesize of output 6 [2024-05-03 20:34:00,855 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 8 treesize of output 6 [2024-05-03 20:34:00,860 INFO L85 PathProgramCache]: Analyzing trace with hash 154487240, now seen corresponding path program 25 times [2024-05-03 20:34:00,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,919 INFO L85 PathProgramCache]: Analyzing trace with hash 494137233, now seen corresponding path program 26 times [2024-05-03 20:34:00,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:00,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:00,975 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 8 treesize of output 6 [2024-05-03 20:34:01,005 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 8 treesize of output 6 [2024-05-03 20:34:01,009 INFO L85 PathProgramCache]: Analyzing trace with hash -884424833, now seen corresponding path program 27 times [2024-05-03 20:34:01,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1647365958, now seen corresponding path program 28 times [2024-05-03 20:34:01,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,125 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 8 treesize of output 6 [2024-05-03 20:34:01,200 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 8 treesize of output 6 [2024-05-03 20:34:01,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1187626102, now seen corresponding path program 29 times [2024-05-03 20:34:01,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1838296413, now seen corresponding path program 30 times [2024-05-03 20:34:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,349 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 8 treesize of output 6 [2024-05-03 20:34:01,381 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 8 treesize of output 6 [2024-05-03 20:34:01,386 INFO L85 PathProgramCache]: Analyzing trace with hash 719859885, now seen corresponding path program 31 times [2024-05-03 20:34:01,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,393 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,463 INFO L85 PathProgramCache]: Analyzing trace with hash 840820044, now seen corresponding path program 32 times [2024-05-03 20:34:01,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-03 20:34:01,571 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 8 treesize of output 6 [2024-05-03 20:34:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1616376796, now seen corresponding path program 33 times [2024-05-03 20:34:01,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1431926965, now seen corresponding path program 34 times [2024-05-03 20:34:01,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,735 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 8 treesize of output 6 [2024-05-03 20:34:01,763 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 8 treesize of output 6 [2024-05-03 20:34:01,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1289830107, now seen corresponding path program 35 times [2024-05-03 20:34:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1330027742, now seen corresponding path program 36 times [2024-05-03 20:34:01,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,921 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 8 treesize of output 6 [2024-05-03 20:34:01,946 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 8 treesize of output 6 [2024-05-03 20:34:01,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1589659438, now seen corresponding path program 37 times [2024-05-03 20:34:01,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:01,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:01,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,032 INFO L85 PathProgramCache]: Analyzing trace with hash -2034802233, now seen corresponding path program 38 times [2024-05-03 20:34:02,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,108 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 8 treesize of output 6 [2024-05-03 20:34:02,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2024-05-03 20:34:02,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1497590281, now seen corresponding path program 39 times [2024-05-03 20:34:02,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,228 INFO L85 PathProgramCache]: Analyzing trace with hash -819341456, now seen corresponding path program 40 times [2024-05-03 20:34:02,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,239 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,311 INFO L85 PathProgramCache]: Analyzing trace with hash 370218732, now seen corresponding path program 41 times [2024-05-03 20:34:02,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1200156303, now seen corresponding path program 42 times [2024-05-03 20:34:02,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1449860362, now seen corresponding path program 1 times [2024-05-03 20:34:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1995998355, now seen corresponding path program 1 times [2024-05-03 20:34:02,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:02,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-03 20:34:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-03 20:34:02,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-03 20:34:02,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=222, Invalid=1584, Unknown=0, NotChecked=0, Total=1806 [2024-05-03 20:34:02,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:34:02,592 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-03 20:34:02,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 5.354838709677419) internal successors, (166), 30 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-05-03 20:34:02,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-03 20:34:05,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2024-05-03 20:34:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-05-03 20:34:05,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2024-05-03 20:34:05,455 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-03 20:34:05,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable52,SelfDestructingSolverStorable74,SelfDestructingSolverStorable53,SelfDestructingSolverStorable75,SelfDestructingSolverStorable54,SelfDestructingSolverStorable76,SelfDestructingSolverStorable55,SelfDestructingSolverStorable77,SelfDestructingSolverStorable56,SelfDestructingSolverStorable78,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2024-05-03 20:34:05,649 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-03 20:34:05,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-03 20:34:05,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1306109725, now seen corresponding path program 10 times [2024-05-03 20:34:05,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-03 20:34:05,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335255925] [2024-05-03 20:34:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-03 20:34:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-03 20:34:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-03 20:34:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 24 proven. 778 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-05-03 20:34:11,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-03 20:34:11,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335255925] [2024-05-03 20:34:11,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335255925] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-03 20:34:11,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982421972] [2024-05-03 20:34:11,263 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-03 20:34:11,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:34:11,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-03 20:34:11,264 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) [2024-05-03 20:34:11,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-03 20:34:11,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-03 20:34:11,349 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-03 20:34:11,353 WARN L260 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 283 conjunts are in the unsatisfiable core [2024-05-03 20:34:11,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-03 20:34:34,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:34:34,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 261 treesize of output 153 [2024-05-03 20:34:35,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 207 [2024-05-03 20:34:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 966 backedges. 0 proven. 966 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-03 20:34:35,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-03 20:35:14,270 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:35:14,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 333 treesize of output 2157 [2024-05-03 20:36:14,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:36:14,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 309 treesize of output 2133 [2024-05-03 20:36:17,261 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-03 20:36:17,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 2779 treesize of output 3901 [2024-05-03 20:41:51,163 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") [2024-05-03 20:41:51,164 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-03 20:41:51,168 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-05-03 20:41:51,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-03 20:41:51,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-03 20:41:51,370 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:140) 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.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.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$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2024-05-03 20:41:51,385 INFO L158 Benchmark]: Toolchain (without parser) took 516443.78ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 139.5MB in the beginning and 968.7MB in the end (delta: -829.2MB). Peak memory consumption was 745.1MB. Max. memory is 8.0GB. [2024-05-03 20:41:51,386 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-03 20:41:51,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.99ms. Allocated memory is still 167.8MB. Free memory was 139.5MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-03 20:41:51,386 INFO L158 Benchmark]: Boogie Preprocessor took 22.35ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 136.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-03 20:41:51,386 INFO L158 Benchmark]: RCFGBuilder took 210.82ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-03 20:41:51,386 INFO L158 Benchmark]: TraceAbstraction took 516185.15ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 124.0MB in the beginning and 968.7MB in the end (delta: -844.7MB). Peak memory consumption was 728.3MB. Max. memory is 8.0GB. [2024-05-03 20:41:51,387 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 19.99ms. Allocated memory is still 167.8MB. Free memory was 139.5MB in the beginning and 137.9MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.35ms. Allocated memory is still 167.8MB. Free memory was 137.9MB in the beginning and 136.8MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 210.82ms. Allocated memory is still 167.8MB. Free memory was 136.7MB in the beginning and 125.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 516185.15ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 983.6MB). Free memory was 124.0MB in the beginning and 968.7MB in the end (delta: -844.7MB). Peak memory consumption was 728.3MB. 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. [2024-05-03 20:41:51,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...