/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 23:36:08,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 23:36:08,515 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 23:36:08,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 23:36:08,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 23:36:08,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 23:36:08,545 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 23:36:08,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 23:36:08,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 23:36:08,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 23:36:08,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 23:36:08,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 23:36:08,546 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 23:36:08,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 23:36:08,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 23:36:08,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 23:36:08,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 23:36:08,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 23:36:08,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 23:36:08,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 23:36:08,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 23:36:08,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 23:36:08,552 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 23:36:08,552 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 23:36:08,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 23:36:08,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 23:36:08,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 23:36:08,555 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 23:36:08,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 23:36:08,555 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 23:36:08,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 23:36:08,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 23:36:08,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 23:36:08,556 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 23:36:08,556 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 23:36:08,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 23:36:08,557 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 23:36:08,557 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 23:36:08,557 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 23:36:08,557 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-06 23:36:08,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 23:36:08,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 23:36:08,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 23:36:08,828 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-06 23:36:08,829 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-06 23:36:08,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl [2024-04-06 23:36:08,830 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/prod-cons.wvr.bpl' [2024-04-06 23:36:08,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 23:36:08,866 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-06 23:36:08,883 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 23:36:08,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 23:36:08,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 23:36:08,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,910 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-06 23:36:08,911 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 23:36:08,912 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 23:36:08,912 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 23:36:08,912 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 23:36:08,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 23:36:08,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 23:36:08,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 23:36:08,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 23:36:08,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/1) ... [2024-04-06 23:36:08,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 23:36:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:08,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 23:36:08,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 23:36:08,999 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-06 23:36:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 23:36:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 23:36:09,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-06 23:36:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 23:36:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 23:36:09,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-06 23:36:09,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 23:36:09,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 23:36:09,000 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-04-06 23:36:09,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-06 23:36:09,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-06 23:36:09,001 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 23:36:09,038 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 23:36:09,040 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 23:36:09,126 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 23:36:09,144 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 23:36:09,144 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-06 23:36:09,145 INFO L201 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:36:09 BoogieIcfgContainer [2024-04-06 23:36:09,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 23:36:09,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 23:36:09,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 23:36:09,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 23:36:09,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.04 11:36:08" (1/2) ... [2024-04-06 23:36:09,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b4c8ac and model type prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 11:36:09, skipping insertion in model container [2024-04-06 23:36:09,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 11:36:09" (2/2) ... [2024-04-06 23:36:09,156 INFO L112 eAbstractionObserver]: Analyzing ICFG prod-cons.wvr.bpl [2024-04-06 23:36:09,161 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 23:36:09,168 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 23:36:09,168 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 23:36:09,168 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 23:36:09,195 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-06 23:36:09,224 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 23:36:09,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 23:36:09,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:09,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 23:36:09,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 23:36:09,255 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 23:36:09,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:09,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 23:36:09,277 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;@2ffc5f2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 23:36:09,277 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-06 23:36:09,361 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:09,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:09,362 INFO L85 PathProgramCache]: Analyzing trace with hash -385570830, now seen corresponding path program 1 times [2024-04-06 23:36:09,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:09,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427257032] [2024-04-06 23:36:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:09,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:09,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:09,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427257032] [2024-04-06 23:36:09,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427257032] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:36:09,509 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:36:09,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 23:36:09,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754482008] [2024-04-06 23:36:09,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:36:09,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 23:36:09,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:09,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 23:36:09,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-06 23:36:09,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:09,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:09,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:09,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:09,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:09,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 23:36:09,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:09,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:09,789 INFO L85 PathProgramCache]: Analyzing trace with hash 2072152169, now seen corresponding path program 1 times [2024-04-06 23:36:09,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:09,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002185661] [2024-04-06 23:36:09,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:09,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:09,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:09,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:09,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002185661] [2024-04-06 23:36:09,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002185661] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:36:09,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 23:36:09,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 23:36:09,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267056256] [2024-04-06 23:36:09,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:36:09,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 23:36:09,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:09,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 23:36:09,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 23:36:09,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:09,843 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:09,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:09,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:09,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:09,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:09,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 23:36:09,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:09,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:09,934 INFO L85 PathProgramCache]: Analyzing trace with hash 152573933, now seen corresponding path program 1 times [2024-04-06 23:36:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:09,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499095681] [2024-04-06 23:36:09,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:09,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:10,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:10,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499095681] [2024-04-06 23:36:10,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499095681] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:36:10,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569320189] [2024-04-06 23:36:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:10,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:10,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:10,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:36:10,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 23:36:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:10,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 23:36:10,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:36:10,390 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 11 treesize of output 7 [2024-04-06 23:36:10,464 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:10,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:36:10,534 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:10,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2024-04-06 23:36:10,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:10,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569320189] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:36:10,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:36:10,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 21 [2024-04-06 23:36:10,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824139542] [2024-04-06 23:36:10,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:36:10,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-06 23:36:10,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:10,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-06 23:36:10,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2024-04-06 23:36:10,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:10,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:10,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.4285714285714284) internal successors, (51), 21 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:10,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:10,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:10,640 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:11,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:11,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 23:36:11,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-06 23:36:11,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:11,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:11,284 INFO L85 PathProgramCache]: Analyzing trace with hash 829870734, now seen corresponding path program 2 times [2024-04-06 23:36:11,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:11,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554926341] [2024-04-06 23:36:11,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:11,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:11,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:11,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554926341] [2024-04-06 23:36:11,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554926341] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:36:11,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394734254] [2024-04-06 23:36:11,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 23:36:11,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:11,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:11,363 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:36:11,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 23:36:11,447 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 23:36:11,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:36:11,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-06 23:36:11,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:36:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:36:11,484 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 23:36:11,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394734254] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 23:36:11,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 23:36:11,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-06 23:36:11,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441039319] [2024-04-06 23:36:11,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 23:36:11,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 23:36:11,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:11,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 23:36:11,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-06 23:36:11,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:11,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:11,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:11,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:11,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:11,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:11,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:11,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:11,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:11,561 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 23:36:11,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:11,759 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:11,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:11,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1079533480, now seen corresponding path program 3 times [2024-04-06 23:36:11,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:11,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456920919] [2024-04-06 23:36:11,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:11,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:12,066 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 23:36:12,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:12,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456920919] [2024-04-06 23:36:12,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456920919] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:36:12,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235773819] [2024-04-06 23:36:12,067 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 23:36:12,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:12,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:12,119 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:36:12,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 23:36:12,161 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-06 23:36:12,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:36:12,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-06 23:36:12,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:36:12,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:12,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2024-04-06 23:36:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:12,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:36:12,705 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:12,707 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:12,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:12,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 41 [2024-04-06 23:36:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:12,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1235773819] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:36:12,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:36:12,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 32 [2024-04-06 23:36:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173206668] [2024-04-06 23:36:12,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:36:12,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-06 23:36:12,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:12,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-06 23:36:12,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=820, Unknown=0, NotChecked=0, Total=992 [2024-04-06 23:36:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:12,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:12,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.125) internal successors, (68), 32 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:12,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:12,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:12,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:12,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:12,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:16,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:16,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-04-06 23:36:16,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-06 23:36:16,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:16,484 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:16,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:16,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1129039339, now seen corresponding path program 4 times [2024-04-06 23:36:16,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:16,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016398058] [2024-04-06 23:36:16,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 4 proven. 66 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-06 23:36:16,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016398058] [2024-04-06 23:36:16,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016398058] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:36:16,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872499210] [2024-04-06 23:36:16,980 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 23:36:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:16,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:16,982 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:36:16,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 23:36:17,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 23:36:17,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:36:17,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-06 23:36:17,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:36:17,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:17,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 66 treesize of output 26 [2024-04-06 23:36:18,049 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:18,050 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:36:19,072 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:19,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 63 treesize of output 267 [2024-04-06 23:36:22,704 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 7 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:22,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872499210] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:36:22,705 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:36:22,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27, 27] total 68 [2024-04-06 23:36:22,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433496098] [2024-04-06 23:36:22,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:36:22,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-04-06 23:36:22,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:22,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-04-06 23:36:22,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=552, Invalid=4004, Unknown=0, NotChecked=0, Total=4556 [2024-04-06 23:36:22,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:22,708 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:22,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 68 states have (on average 1.838235294117647) internal successors, (125), 68 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-04-06 23:36:22,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:44,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:36:44,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:36:44,696 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-06 23:36:44,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-06 23:36:44,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:36:44,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:36:44,893 INFO L85 PathProgramCache]: Analyzing trace with hash 307219019, now seen corresponding path program 5 times [2024-04-06 23:36:44,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:36:44,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754684804] [2024-04-06 23:36:44,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:36:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:36:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:36:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 102 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-04-06 23:36:45,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:36:45,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754684804] [2024-04-06 23:36:45,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754684804] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:36:45,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214954436] [2024-04-06 23:36:45,580 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 23:36:45,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:36:45,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:36:45,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:36:45,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 23:36:45,643 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-06 23:36:45,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:36:45,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 58 conjunts are in the unsatisfiable core [2024-04-06 23:36:45,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:36:47,284 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:47,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 34 [2024-04-06 23:36:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:47,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:36:48,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,873 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,873 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,875 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,877 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,883 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,885 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,887 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,888 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,890 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,891 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,892 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,895 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:48,897 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-06 23:36:49,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:36:49,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 87 treesize of output 301 [2024-04-06 23:36:50,911 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 7 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:36:50,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214954436] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:36:50,911 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:36:50,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 34, 34] total 78 [2024-04-06 23:36:50,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971355704] [2024-04-06 23:36:50,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:36:50,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-06 23:36:50,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:36:50,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-06 23:36:50,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=711, Invalid=5295, Unknown=0, NotChecked=0, Total=6006 [2024-04-06 23:36:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:36:50,914 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:36:50,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 78 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:36:50,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:37:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:37:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:37:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:37:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:37:25,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:37:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:37:25,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-04-06 23:37:25,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 23:37:25,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:37:25,423 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:37:25,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:37:25,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1463998417, now seen corresponding path program 6 times [2024-04-06 23:37:25,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:37:25,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579894649] [2024-04-06 23:37:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:37:25,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:37:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:37:26,398 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 8 proven. 172 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-06 23:37:26,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:37:26,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579894649] [2024-04-06 23:37:26,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579894649] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:37:26,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603309340] [2024-04-06 23:37:26,399 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 23:37:26,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:37:26,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:37:26,400 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:37:26,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 23:37:26,458 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-06 23:37:26,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 23:37:26,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 74 conjunts are in the unsatisfiable core [2024-04-06 23:37:26,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:37:28,967 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:37:28,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 110 treesize of output 42 [2024-04-06 23:37:29,081 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:37:29,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:37:32,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:37:32,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 111 treesize of output 835 [2024-04-06 23:38:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 15 proven. 219 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:38:36,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603309340] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:38:36,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:38:36,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 42, 42] total 96 [2024-04-06 23:38:36,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248626348] [2024-04-06 23:38:36,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:38:36,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-04-06 23:38:36,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:38:36,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-04-06 23:38:36,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1028, Invalid=8092, Unknown=0, NotChecked=0, Total=9120 [2024-04-06 23:38:36,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:38:36,761 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:38:36,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 1.7291666666666667) internal successors, (166), 96 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) [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-04-06 23:38:36,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:41:10,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 250 states. [2024-04-06 23:41:10,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 844 states. [2024-04-06 23:41:10,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 23:41:10,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-06 23:41:10,848 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-06 23:41:10,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 23:41:10,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1656702303, now seen corresponding path program 7 times [2024-04-06 23:41:10,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 23:41:10,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83261153] [2024-04-06 23:41:10,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 23:41:10,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 23:41:10,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:41:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 10 proven. 260 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-04-06 23:41:12,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 23:41:12,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83261153] [2024-04-06 23:41:12,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83261153] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 23:41:12,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624677323] [2024-04-06 23:41:12,178 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-06 23:41:12,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:41:12,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 23:41:12,179 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 23:41:12,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 23:41:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 23:41:12,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 90 conjunts are in the unsatisfiable core [2024-04-06 23:41:12,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 23:41:16,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:41:16,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 134 treesize of output 50 [2024-04-06 23:41:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:41:16,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 23:41:21,652 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 23:41:21,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 135 treesize of output 1239 [2024-04-06 23:45:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 26 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 23:45:40,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624677323] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 23:45:40,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 23:45:40,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 50, 50] total 114 [2024-04-06 23:45:40,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55216325] [2024-04-06 23:45:40,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 23:45:40,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-04-06 23:45:40,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 23:45:40,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-04-06 23:45:40,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1392, Invalid=11490, Unknown=0, NotChecked=0, Total=12882 [2024-04-06 23:45:40,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 23:45:40,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 23:45:40,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 1.6929824561403508) internal successors, (193), 114 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 250 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 844 states. [2024-04-06 23:45:40,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-06 23:50:03,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-06 23:50:03,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 23:50:03,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 23:50:03,014 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 23:50:03,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 23:50:03,196 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1299 known predicates. [2024-04-06 23:50:03,198 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-04-06 23:50:03,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-06 23:50:03,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-06 23:50:03,199 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-06 23:50:03,204 INFO L445 BasicCegarLoop]: Path program histogram: [7, 1, 1] [2024-04-06 23:50:03,209 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 23:50:03,209 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 23:50:03,214 INFO L201 PluginConnector]: Adding new model prod-cons.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 11:50:03 BasicIcfg [2024-04-06 23:50:03,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 23:50:03,215 INFO L158 Benchmark]: Toolchain (without parser) took 834348.92ms. Allocated memory was 278.9MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 251.3MB in the beginning and 1.2GB in the end (delta: -972.9MB). Peak memory consumption was 603.0MB. Max. memory is 8.0GB. [2024-04-06 23:50:03,216 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.10ms. Allocated memory is still 278.9MB. Free memory is still 246.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 23:50:03,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.16ms. Allocated memory is still 278.9MB. Free memory was 253.1MB in the beginning and 251.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 23:50:03,216 INFO L158 Benchmark]: Boogie Preprocessor took 11.90ms. Allocated memory is still 278.9MB. Free memory was 251.5MB in the beginning and 250.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 23:50:03,217 INFO L158 Benchmark]: RCFGBuilder took 221.56ms. Allocated memory is still 278.9MB. Free memory was 250.4MB in the beginning and 240.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-06 23:50:03,217 INFO L158 Benchmark]: TraceAbstraction took 834066.84ms. Allocated memory was 278.9MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 238.8MB in the beginning and 1.2GB in the end (delta: -985.4MB). Peak memory consumption was 591.5MB. Max. memory is 8.0GB. [2024-04-06 23:50:03,218 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 278.9MB. Free memory is still 246.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.16ms. Allocated memory is still 278.9MB. Free memory was 253.1MB in the beginning and 251.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.90ms. Allocated memory is still 278.9MB. Free memory was 251.5MB in the beginning and 250.4MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 221.56ms. Allocated memory is still 278.9MB. Free memory was 250.4MB in the beginning and 240.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 834066.84ms. Allocated memory was 278.9MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 238.8MB in the beginning and 1.2GB in the end (delta: -985.4MB). Peak memory consumption was 591.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 295921, independent: 235841, independent conditional: 235811, independent unconditional: 30, dependent: 60080, dependent conditional: 60064, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 244551, independent: 235841, independent conditional: 235811, independent unconditional: 30, dependent: 8710, dependent conditional: 8706, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 244551, independent: 235841, independent conditional: 235811, independent unconditional: 30, dependent: 8710, dependent conditional: 8706, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 244551, independent: 235841, independent conditional: 235811, independent unconditional: 30, dependent: 8710, dependent conditional: 8706, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17225, independent unconditional: 218616, dependent: 75308, dependent conditional: 56616, dependent unconditional: 18692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17175, independent unconditional: 218666, dependent: 75308, dependent conditional: 19204, dependent unconditional: 56104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17175, independent unconditional: 218666, dependent: 75308, dependent conditional: 19204, dependent unconditional: 56104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1270, independent: 445, independent conditional: 374, independent unconditional: 71, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1270, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 1198, dependent conditional: 0, dependent unconditional: 1198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1198, independent: 373, independent conditional: 372, independent unconditional: 1, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1198, independent: 373, independent conditional: 372, independent unconditional: 1, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2595, independent: 533, independent conditional: 525, independent unconditional: 8, dependent: 2062, dependent conditional: 2003, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 311149, independent: 235396, independent conditional: 16801, independent unconditional: 218595, dependent: 74483, dependent conditional: 18385, dependent unconditional: 56098, unknown: 1270, unknown conditional: 1193, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 1270, Positive cache size: 445, Positive conditional cache size: 374, Positive unconditional cache size: 71, Negative cache size: 825, Negative conditional cache size: 819, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37462, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17225, independent unconditional: 218616, dependent: 75308, dependent conditional: 56616, dependent unconditional: 18692, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17175, independent unconditional: 218666, dependent: 75308, dependent conditional: 19204, dependent unconditional: 56104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 311149, independent: 235841, independent conditional: 17175, independent unconditional: 218666, dependent: 75308, dependent conditional: 19204, dependent unconditional: 56104, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1270, independent: 445, independent conditional: 374, independent unconditional: 71, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1270, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 1198, dependent conditional: 0, dependent unconditional: 1198, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1198, independent: 373, independent conditional: 372, independent unconditional: 1, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1198, independent: 373, independent conditional: 372, independent unconditional: 1, dependent: 825, dependent conditional: 819, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2595, independent: 533, independent conditional: 525, independent unconditional: 8, dependent: 2062, dependent conditional: 2003, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 311149, independent: 235396, independent conditional: 16801, independent unconditional: 218595, dependent: 74483, dependent conditional: 18385, dependent unconditional: 56098, unknown: 1270, unknown conditional: 1193, unknown unconditional: 77] , Statistics on independence cache: Total cache size (in pairs): 1270, Positive cache size: 445, Positive conditional cache size: 374, Positive unconditional cache size: 71, Negative cache size: 825, Negative conditional cache size: 819, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 37462 ], Independence queries for same thread: 51370 - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1299 known predicates. - TimeoutResultAtElement [Line: 58]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1299 known predicates. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1299 known predicates. - TimeoutResultAtElement [Line: 57]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1299 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 834.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 476.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2649, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 355.0s InterpolantComputationTime, 751 NumberOfCodeBlocks, 751 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1056 ConstructedInterpolants, 3 QuantifiedInterpolants, 28137 SizeOfPredicates, 97 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 301 ConjunctsInUnsatCore, 22 InterpolantComputations, 3 PerfectInterpolantSequences, 280/2485 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown