/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking BOTH --traceabstraction.criterion.for.conditional.commutativity.checking LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-symm.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 17:08:08,991 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 17:08:09,036 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 17:08:09,040 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 17:08:09,041 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 17:08:09,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 17:08:09,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 17:08:09,062 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 17:08:09,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 17:08:09,063 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 17:08:09,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 17:08:09,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 17:08:09,064 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 17:08:09,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 17:08:09,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 17:08:09,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 17:08:09,066 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 17:08:09,066 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 17:08:09,066 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 17:08:09,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 17:08:09,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 17:08:09,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 17:08:09,070 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 17:08:09,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 17:08:09,073 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 17:08:09,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 17:08:09,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 17:08:09,074 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 17:08:09,074 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 17:08:09,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:08:09,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 17:08:09,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 17:08:09,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 17:08:09,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 17:08:09,076 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 17:08:09,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 17:08:09,077 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 17:08:09,077 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 17:08:09,077 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 17:08:09,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-04 17:08:09,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 17:08:09,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 17:08:09,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 17:08:09,379 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-05-04 17:08:09,381 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-05-04 17:08:09,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-symm.wvr.bpl [2024-05-04 17:08:09,382 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/chl/chromosome-symm.wvr.bpl' [2024-05-04 17:08:09,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 17:08:09,406 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-05-04 17:08:09,412 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 17:08:09,413 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 17:08:09,413 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 17:08:09,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,471 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-05-04 17:08:09,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 17:08:09,475 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 17:08:09,476 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 17:08:09,476 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 17:08:09,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 17:08:09,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 17:08:09,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 17:08:09,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 17:08:09,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/1) ... [2024-05-04 17:08:09,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 17:08:09,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:09,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-04 17:08:09,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-04 17:08:09,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-05-04 17:08:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 17:08:09,594 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 17:08:09,594 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-05-04 17:08:09,594 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 17:08:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 17:08:09,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-05-04 17:08:09,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 17:08:09,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 17:08:09,596 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 17:08:09,645 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 17:08:09,647 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 17:08:09,785 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 17:08:09,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 17:08:09,821 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-04 17:08:09,822 INFO L201 PluginConnector]: Adding new model chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:08:09 BoogieIcfgContainer [2024-05-04 17:08:09,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 17:08:09,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 17:08:09,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 17:08:09,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 17:08:09,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.05 05:08:09" (1/2) ... [2024-05-04 17:08:09,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@154d29dc and model type chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:08:09, skipping insertion in model container [2024-05-04 17:08:09,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:08:09" (2/2) ... [2024-05-04 17:08:09,830 INFO L112 eAbstractionObserver]: Analyzing ICFG chromosome-symm.wvr.bpl [2024-05-04 17:08:09,837 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 17:08:09,845 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 17:08:09,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 17:08:09,845 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 17:08:09,877 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-04 17:08:09,931 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 17:08:09,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 17:08:09,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:09,934 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-04 17:08:09,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-04 17:08:09,981 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 17:08:09,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:09,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 17:08:10,000 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;@616a3a09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 17:08:10,000 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-04 17:08:10,028 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:10,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:10,030 INFO L85 PathProgramCache]: Analyzing trace with hash 680377919, now seen corresponding path program 1 times [2024-05-04 17:08:10,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:10,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704460808] [2024-05-04 17:08:10,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:10,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:10,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704460808] [2024-05-04 17:08:10,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704460808] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:08:10,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:08:10,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 17:08:10,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224181366] [2024-05-04 17:08:10,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:08:10,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 17:08:10,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:10,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 17:08:10,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-05-04 17:08:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:10,278 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:10,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:10,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:10,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:10,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 17:08:10,344 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:10,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:10,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1034281163, now seen corresponding path program 1 times [2024-05-04 17:08:10,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:10,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472625639] [2024-05-04 17:08:10,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:10,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:10,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:10,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472625639] [2024-05-04 17:08:10,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472625639] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:08:10,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:08:10,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-05-04 17:08:10,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872670811] [2024-05-04 17:08:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:08:10,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-04 17:08:10,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:10,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-04 17:08:10,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-05-04 17:08:10,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:10,422 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:10,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:10,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:10,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:10,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:10,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 17:08:10,478 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:10,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:10,479 INFO L85 PathProgramCache]: Analyzing trace with hash 349616963, now seen corresponding path program 1 times [2024-05-04 17:08:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:10,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529033540] [2024-05-04 17:08:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:10,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:11,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:11,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:11,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529033540] [2024-05-04 17:08:11,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529033540] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:11,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699267974] [2024-05-04 17:08:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:11,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:11,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:11,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:11,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 17:08:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:11,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 17:08:11,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:11,355 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 19 treesize of output 15 [2024-05-04 17:08:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:11,543 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:12,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:12,060 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 77 treesize of output 70 [2024-05-04 17:08:12,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:12,071 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 61 treesize of output 54 [2024-05-04 17:08:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:12,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699267974] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:12,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:12,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-05-04 17:08:12,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117782207] [2024-05-04 17:08:12,142 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:12,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-04 17:08:12,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:12,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-04 17:08:12,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2024-05-04 17:08:12,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:12,147 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:12,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 18 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:12,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:12,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:12,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:12,553 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 [2024-05-04 17:08:12,553 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:12,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:12,554 INFO L85 PathProgramCache]: Analyzing trace with hash -2020145137, now seen corresponding path program 2 times [2024-05-04 17:08:12,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:12,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699663749] [2024-05-04 17:08:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:12,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:12,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:12,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:12,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699663749] [2024-05-04 17:08:12,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699663749] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:12,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984459251] [2024-05-04 17:08:12,806 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 17:08:12,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:12,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:12,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:12,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 17:08:12,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 17:08:12,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:08:12,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-04 17:08:12,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:12,922 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 31 treesize of output 25 [2024-05-04 17:08:12,962 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:12,962 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:13,027 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:13,027 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 30 treesize of output 32 [2024-05-04 17:08:13,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:13,037 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 28 treesize of output 30 [2024-05-04 17:08:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:13,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984459251] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:13,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:13,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-05-04 17:08:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593623469] [2024-05-04 17:08:13,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:13,078 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-04 17:08:13,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:13,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-04 17:08:13,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-05-04 17:08:13,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:13,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:13,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 13 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:13,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:13,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:13,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:13,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:13,465 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 [2024-05-04 17:08:13,465 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:13,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:13,466 INFO L85 PathProgramCache]: Analyzing trace with hash -629373881, now seen corresponding path program 3 times [2024-05-04 17:08:13,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:13,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020979785] [2024-05-04 17:08:13,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:13,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:13,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:13,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020979785] [2024-05-04 17:08:13,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020979785] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:13,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453551896] [2024-05-04 17:08:13,647 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 17:08:13,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:13,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:13,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:13,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 17:08:13,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 17:08:13,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:08:13,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-04 17:08:13,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:13,755 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 31 treesize of output 25 [2024-05-04 17:08:13,804 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:13,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:13,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:13,874 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 20 treesize of output 24 [2024-05-04 17:08:13,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:13,880 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 20 treesize of output 24 [2024-05-04 17:08:13,900 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:13,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453551896] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:13,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:13,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-04 17:08:13,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416447063] [2024-05-04 17:08:13,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:13,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-04 17:08:13,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:13,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-04 17:08:13,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-05-04 17:08:13,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:13,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:13,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:13,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:13,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:13,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:13,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:14,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:14,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:14,082 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:14,277 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 [2024-05-04 17:08:14,278 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:14,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:14,278 INFO L85 PathProgramCache]: Analyzing trace with hash 315918151, now seen corresponding path program 4 times [2024-05-04 17:08:14,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:14,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159152288] [2024-05-04 17:08:14,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:14,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:14,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:14,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159152288] [2024-05-04 17:08:14,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159152288] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:14,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820219475] [2024-05-04 17:08:14,572 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 17:08:14,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:14,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:14,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:14,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 17:08:14,650 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 17:08:14,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:08:14,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-04 17:08:14,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:14,720 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 19 treesize of output 15 [2024-05-04 17:08:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:14,833 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:15,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:15,213 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 71 treesize of output 66 [2024-05-04 17:08:15,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:15,223 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 57 treesize of output 52 [2024-05-04 17:08:15,321 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:15,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820219475] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:15,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:15,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 24 [2024-05-04 17:08:15,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371793423] [2024-05-04 17:08:15,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:15,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-04 17:08:15,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:15,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-04 17:08:15,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2024-05-04 17:08:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:15,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:15,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 24 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:15,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:15,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:08:15,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:16,045 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 [2024-05-04 17:08:16,045 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:16,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:16,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1230158987, now seen corresponding path program 5 times [2024-05-04 17:08:16,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:16,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103386050] [2024-05-04 17:08:16,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:16,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:16,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:16,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:16,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103386050] [2024-05-04 17:08:16,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103386050] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:16,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451377475] [2024-05-04 17:08:16,200 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 17:08:16,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:16,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:16,201 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:16,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 17:08:16,236 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-05-04 17:08:16,237 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:08:16,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-04 17:08:16,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:16,323 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 43 treesize of output 35 [2024-05-04 17:08:16,327 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 35 treesize of output 27 [2024-05-04 17:08:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:16,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:16,406 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:16,407 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 30 treesize of output 32 [2024-05-04 17:08:16,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:16,414 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 28 treesize of output 30 [2024-05-04 17:08:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:16,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451377475] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:16,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:16,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-05-04 17:08:16,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727322061] [2024-05-04 17:08:16,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:16,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-05-04 17:08:16,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:16,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-05-04 17:08:16,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-05-04 17:08:16,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:16,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:16,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 19 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:16,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:16,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:16,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:08:16,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:16,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:08:16,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 17:08:16,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:17,196 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 [2024-05-04 17:08:17,196 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:17,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:17,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1674037053, now seen corresponding path program 6 times [2024-05-04 17:08:17,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:17,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791172307] [2024-05-04 17:08:17,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:17,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:17,359 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:17,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:17,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791172307] [2024-05-04 17:08:17,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791172307] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:17,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548671383] [2024-05-04 17:08:17,361 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 17:08:17,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:17,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:17,362 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:17,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 17:08:17,396 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2024-05-04 17:08:17,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 17:08:17,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-04 17:08:17,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:17,461 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 43 treesize of output 35 [2024-05-04 17:08:17,463 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 35 treesize of output 27 [2024-05-04 17:08:17,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:17,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:17,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:17,547 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 20 treesize of output 24 [2024-05-04 17:08:17,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-04 17:08:17,552 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 20 treesize of output 24 [2024-05-04 17:08:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:17,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548671383] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:17,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:17,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2024-05-04 17:08:17,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785466502] [2024-05-04 17:08:17,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:17,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-04 17:08:17,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:17,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-04 17:08:17,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2024-05-04 17:08:17,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:17,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:17,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 17:08:17,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:18,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:18,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:18,184 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-04 17:08:18,379 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 [2024-05-04 17:08:18,380 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:18,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:18,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1844624045, now seen corresponding path program 7 times [2024-05-04 17:08:18,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:18,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189362680] [2024-05-04 17:08:18,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:18,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:18,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-04 17:08:18,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189362680] [2024-05-04 17:08:18,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189362680] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 17:08:18,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481957696] [2024-05-04 17:08:18,756 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 17:08:18,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 17:08:18,756 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 17:08:18,757 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-04 17:08:18,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 17:08:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:18,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 31 conjunts are in the unsatisfiable core [2024-05-04 17:08:18,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 17:08:18,989 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 19 treesize of output 15 [2024-05-04 17:08:19,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:19,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 17:08:19,430 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-05-04 17:08:19,430 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 98 treesize of output 81 [2024-05-04 17:08:19,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 58 [2024-05-04 17:08:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-04 17:08:19,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481957696] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 17:08:19,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 17:08:19,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 16, 9] total 25 [2024-05-04 17:08:19,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64317843] [2024-05-04 17:08:19,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 17:08:19,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 17:08:19,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:19,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 17:08:19,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=526, Unknown=0, NotChecked=0, Total=600 [2024-05-04 17:08:19,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:19,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:19,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.6) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:19,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:19,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:19,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:19,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:20,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:20,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 17:08:20,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:20,491 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 [2024-05-04 17:08:20,492 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:20,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:20,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1322139649, now seen corresponding path program 8 times [2024-05-04 17:08:20,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:20,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685240526] [2024-05-04 17:08:20,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:20,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:20,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:20,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685240526] [2024-05-04 17:08:20,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685240526] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:08:20,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:08:20,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-04 17:08:20,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350405892] [2024-05-04 17:08:20,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:08:20,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 17:08:20,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:20,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 17:08:20,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-05-04 17:08:20,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:20,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:20,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:20,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:20,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:20,552 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-04 17:08:20,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:20,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 17:08:20,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:08:20,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-04 17:08:20,696 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-04 17:08:20,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 17:08:20,696 INFO L85 PathProgramCache]: Analyzing trace with hash 68631607, now seen corresponding path program 9 times [2024-05-04 17:08:20,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 17:08:20,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130039122] [2024-05-04 17:08:20,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 17:08:20,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 17:08:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 17:08:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-04 17:08:20,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 17:08:20,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130039122] [2024-05-04 17:08:20,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130039122] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 17:08:20,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 17:08:20,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-04 17:08:20,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067513645] [2024-05-04 17:08:20,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 17:08:20,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-04 17:08:20,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 17:08:20,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-04 17:08:20,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-05-04 17:08:20,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:20,751 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 17:08:20,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:08:20,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 17:08:21,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:08:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-04 17:08:21,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-05-04 17:08:21,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-04 17:08:21,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-04 17:08:21,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-04 17:08:21,328 INFO L448 BasicCegarLoop]: Path program histogram: [9, 1, 1] [2024-05-04 17:08:21,330 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-04 17:08:21,330 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-04 17:08:21,333 INFO L201 PluginConnector]: Adding new model chromosome-symm.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:08:21 BasicIcfg [2024-05-04 17:08:21,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-04 17:08:21,334 INFO L158 Benchmark]: Toolchain (without parser) took 11928.11ms. Allocated memory was 265.3MB in the beginning and 382.7MB in the end (delta: 117.4MB). Free memory was 233.5MB in the beginning and 279.7MB in the end (delta: -46.2MB). Peak memory consumption was 70.9MB. Max. memory is 8.0GB. [2024-05-04 17:08:21,334 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 265.3MB. Free memory is still 234.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 17:08:21,334 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.17ms. Allocated memory is still 265.3MB. Free memory was 233.5MB in the beginning and 243.3MB in the end (delta: -9.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 17:08:21,335 INFO L158 Benchmark]: Boogie Preprocessor took 21.60ms. Allocated memory is still 265.3MB. Free memory was 243.3MB in the beginning and 242.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-04 17:08:21,335 INFO L158 Benchmark]: RCFGBuilder took 324.27ms. Allocated memory is still 265.3MB. Free memory was 242.3MB in the beginning and 229.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-05-04 17:08:21,335 INFO L158 Benchmark]: TraceAbstraction took 11508.95ms. Allocated memory was 265.3MB in the beginning and 382.7MB in the end (delta: 117.4MB). Free memory was 228.1MB in the beginning and 279.7MB in the end (delta: -51.6MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. [2024-05-04 17:08:21,339 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 0.12ms. Allocated memory is still 265.3MB. Free memory is still 234.8MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.17ms. Allocated memory is still 265.3MB. Free memory was 233.5MB in the beginning and 243.3MB in the end (delta: -9.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.60ms. Allocated memory is still 265.3MB. Free memory was 243.3MB in the beginning and 242.3MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 324.27ms. Allocated memory is still 265.3MB. Free memory was 242.3MB in the beginning and 229.5MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 11508.95ms. Allocated memory was 265.3MB in the beginning and 382.7MB in the end (delta: 117.4MB). Free memory was 228.1MB in the beginning and 279.7MB in the end (delta: -51.6MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1734, independent: 1508, independent conditional: 1462, independent unconditional: 46, dependent: 226, dependent conditional: 226, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 1462, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 1462, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 1462, independent unconditional: 46, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 772, independent unconditional: 736, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 682, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 682, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, independent: 45, independent conditional: 4, independent unconditional: 41, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1508, independent: 1463, independent conditional: 678, independent unconditional: 785, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 45, unknown conditional: 4, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 4, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 90, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 772, independent unconditional: 736, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 682, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1508, independent: 1508, independent conditional: 682, independent unconditional: 826, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, independent: 45, independent conditional: 4, independent unconditional: 41, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, independent: 45, independent conditional: 0, independent unconditional: 45, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1508, independent: 1463, independent conditional: 678, independent unconditional: 785, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 45, unknown conditional: 4, unknown unconditional: 41] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 4, Positive unconditional cache size: 41, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 90 ], Independence queries for same thread: 226 - PositiveResult [Line: 76]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 27 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 9, EmptinessCheckTime: 3.8s, 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: 149, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 303 NumberOfCodeBlocks, 303 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 394 ConstructedInterpolants, 0 QuantifiedInterpolants, 3142 SizeOfPredicates, 57 NumberOfNonLiveVariables, 476 ConjunctsInSsa, 135 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 135/265 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-04 17:08:21,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-04 17:08:21,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...