/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/popl20/figure1-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-faa7b7a-m [2024-04-28 17:25:18,409 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-28 17:25:18,478 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-28 17:25:18,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-28 17:25:18,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-28 17:25:18,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-28 17:25:18,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-28 17:25:18,506 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-28 17:25:18,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-28 17:25:18,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-28 17:25:18,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-28 17:25:18,510 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-28 17:25:18,511 INFO L153 SettingsManager]: * Use SBE=true [2024-04-28 17:25:18,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-28 17:25:18,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-28 17:25:18,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-28 17:25:18,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-28 17:25:18,515 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-28 17:25:18,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-28 17:25:18,515 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-28 17:25:18,516 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-28 17:25:18,516 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-28 17:25:18,516 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-28 17:25:18,516 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-28 17:25:18,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 17:25:18,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-28 17:25:18,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-28 17:25:18,518 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-28 17:25:18,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-28 17:25:18,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-28 17:25:18,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-28 17:25:18,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-28 17:25:18,708 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-04-28 17:25:18,709 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-04-28 17:25:18,710 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl [2024-04-28 17:25:18,710 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/figure1-alt.wvr.bpl' [2024-04-28 17:25:18,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-28 17:25:18,771 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-04-28 17:25:18,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-28 17:25:18,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-28 17:25:18,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-28 17:25:18,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,802 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-04-28 17:25:18,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-28 17:25:18,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-28 17:25:18,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-28 17:25:18,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-28 17:25:18,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-28 17:25:18,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-28 17:25:18,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-28 17:25:18,816 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-28 17:25:18,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/1) ... [2024-04-28 17:25:18,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-28 17:25:18,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:18,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-28 17:25:18,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-28 17:25:18,875 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-04-28 17:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-28 17:25:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-28 17:25:18,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-04-28 17:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-28 17:25:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-28 17:25:18,876 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-04-28 17:25:18,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-28 17:25:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-28 17:25:18,877 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-28 17:25:18,912 INFO L241 CfgBuilder]: Building ICFG [2024-04-28 17:25:18,914 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-28 17:25:18,986 INFO L282 CfgBuilder]: Performing block encoding [2024-04-28 17:25:18,999 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-28 17:25:19,000 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-04-28 17:25:19,002 INFO L201 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:25:19 BoogieIcfgContainer [2024-04-28 17:25:19,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-28 17:25:19,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-28 17:25:19,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-28 17:25:19,011 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-28 17:25:19,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.04 05:25:18" (1/2) ... [2024-04-28 17:25:19,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f1b12e1 and model type figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 05:25:19, skipping insertion in model container [2024-04-28 17:25:19,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 05:25:19" (2/2) ... [2024-04-28 17:25:19,014 INFO L112 eAbstractionObserver]: Analyzing ICFG figure1-alt.wvr.bpl [2024-04-28 17:25:19,025 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-28 17:25:19,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-28 17:25:19,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-28 17:25:19,033 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-28 17:25:19,053 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-28 17:25:19,084 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-28 17:25:19,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-28 17:25:19,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:19,100 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-28 17:25:19,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-28 17:25:19,126 INFO L187 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-28 17:25:19,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:19,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-28 17:25:19,142 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;@63dc2aff, 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 [2024-04-28 17:25:19,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-28 17:25:19,165 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:19,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:19,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1414557611, now seen corresponding path program 1 times [2024-04-28 17:25:19,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:19,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099038624] [2024-04-28 17:25:19,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:19,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099038624] [2024-04-28 17:25:19,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099038624] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-28 17:25:19,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-28 17:25:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-28 17:25:19,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617659023] [2024-04-28 17:25:19,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-28 17:25:19,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-04-28 17:25:19,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-04-28 17:25:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-04-28 17:25:19,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:19,544 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:19,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:19,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:19,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-28 17:25:19,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:19,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:19,693 INFO L85 PathProgramCache]: Analyzing trace with hash 646861179, now seen corresponding path program 1 times [2024-04-28 17:25:19,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:19,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815106475] [2024-04-28 17:25:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:19,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:19,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:19,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815106475] [2024-04-28 17:25:19,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815106475] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 17:25:19,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121929558] [2024-04-28 17:25:19,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:19,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:19,918 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:19,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 17:25:19,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-28 17:25:20,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:20,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 13 conjunts are in the unsatisfiable core [2024-04-28 17:25:20,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 17:25:20,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:20,279 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 17:25:20,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:20,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121929558] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 17:25:20,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 17:25:20,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-04-28 17:25:20,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811890966] [2024-04-28 17:25:20,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 17:25:20,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-28 17:25:20,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-28 17:25:20,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-04-28 17:25:20,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:20,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:20,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 1.9090909090909092) internal successors, (42), 21 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:20,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:20,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:20,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-28 17:25:20,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-28 17:25:20,964 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,SelfDestructingSolverStorable1 [2024-04-28 17:25:20,964 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:20,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:20,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1140508125, now seen corresponding path program 2 times [2024-04-28 17:25:20,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:20,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458600206] [2024-04-28 17:25:20,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:20,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:21,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:21,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458600206] [2024-04-28 17:25:21,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458600206] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 17:25:21,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970146672] [2024-04-28 17:25:21,105 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 17:25:21,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:21,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:21,109 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 17:25:21,144 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 17:25:21,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 17:25:21,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-28 17:25:21,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 17:25:21,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-28 17:25:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:21,334 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 17:25:21,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:21,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970146672] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 17:25:21,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 17:25:21,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9] total 21 [2024-04-28 17:25:21,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995566864] [2024-04-28 17:25:21,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 17:25:21,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-28 17:25:21,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:21,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-28 17:25:21,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2024-04-28 17:25:21,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:21,446 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:21,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1363636363636362) internal successors, (47), 21 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:21,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:21,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-28 17:25:21,446 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-28 17:25:21,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:21,754 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-28 17:25:21,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:21,953 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:21,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:21,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1146411545, now seen corresponding path program 1 times [2024-04-28 17:25:21,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:21,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038288304] [2024-04-28 17:25:21,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:21,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:22,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:22,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:22,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038288304] [2024-04-28 17:25:22,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038288304] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 17:25:22,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798182282] [2024-04-28 17:25:22,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:22,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:22,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:22,082 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 17:25:22,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-28 17:25:22,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:22,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-28 17:25:22,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 17:25:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:22,308 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 17:25:22,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:22,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798182282] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 17:25:22,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 17:25:22,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 25 [2024-04-28 17:25:22,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299324595] [2024-04-28 17:25:22,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 17:25:22,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-28 17:25:22,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:22,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-28 17:25:22,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-04-28 17:25:22,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:22,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:22,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.9230769230769231) internal successors, (50), 25 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-28 17:25:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:22,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-28 17:25:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-28 17:25:23,218 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-28 17:25:23,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:23,415 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:23,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:23,415 INFO L85 PathProgramCache]: Analyzing trace with hash 721959487, now seen corresponding path program 2 times [2024-04-28 17:25:23,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:23,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010549544] [2024-04-28 17:25:23,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:23,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:23,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:23,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010549544] [2024-04-28 17:25:23,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010549544] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 17:25:23,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735626662] [2024-04-28 17:25:23,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-28 17:25:23,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:23,591 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 17:25:23,619 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-28 17:25:23,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 17:25:23,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-28 17:25:23,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 17:25:23,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-28 17:25:23,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:23,838 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 17:25:24,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:24,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735626662] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 17:25:24,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 17:25:24,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-04-28 17:25:24,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343968877] [2024-04-28 17:25:24,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 17:25:24,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-28 17:25:24,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:24,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-28 17:25:24,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2024-04-28 17:25:24,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:24,063 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:24,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.896551724137931) internal successors, (55), 28 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:24,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-28 17:25:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-28 17:25:24,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:24,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-28 17:25:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-28 17:25:24,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-28 17:25:24,681 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-28 17:25:24,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:24,875 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-28 17:25:24,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-28 17:25:24,875 INFO L85 PathProgramCache]: Analyzing trace with hash 295538081, now seen corresponding path program 3 times [2024-04-28 17:25:24,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-28 17:25:24,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699549940] [2024-04-28 17:25:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:24,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:25,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:25,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-28 17:25:25,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699549940] [2024-04-28 17:25:25,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699549940] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-28 17:25:25,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [562009499] [2024-04-28 17:25:25,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-28 17:25:25,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:25,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-28 17:25:25,020 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-28 17:25:25,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-28 17:25:25,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-28 17:25:25,042 WARN L260 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 25 conjunts are in the unsatisfiable core [2024-04-28 17:25:25,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-28 17:25:25,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-28 17:25:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:25,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-28 17:25:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-28 17:25:25,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [562009499] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-28 17:25:25,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-28 17:25:25,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 10] total 27 [2024-04-28 17:25:25,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103957010] [2024-04-28 17:25:25,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-28 17:25:25,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-28 17:25:25,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-28 17:25:25,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-28 17:25:25,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=654, Unknown=0, NotChecked=0, Total=756 [2024-04-28 17:25:25,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:25,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-28 17:25:25,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 2.142857142857143) internal successors, (60), 27 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-28 17:25:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-28 17:25:25,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-28 17:25:25,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-28 17:25:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-28 17:25:25,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-28 17:25:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash -716033434, now seen corresponding path program 1 times [2024-04-28 17:25:26,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:26,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-28 17:25:26,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-28 17:25:26,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-28 17:25:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-28 17:25:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-04-28 17:25:26,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-28 17:25:26,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-28 17:25:28,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-04-28 17:25:28,519 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2024-04-28 17:25:28,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-28 17:25:28,520 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-28 17:25:28,526 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-28 17:25:28,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-28 17:25:28,729 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1] [2024-04-28 17:25:28,731 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-28 17:25:28,731 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-28 17:25:28,733 INFO L201 PluginConnector]: Adding new model figure1-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 05:25:28 BasicIcfg [2024-04-28 17:25:28,733 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-28 17:25:28,734 INFO L158 Benchmark]: Toolchain (without parser) took 9973.83ms. Allocated memory was 298.8MB in the beginning and 358.6MB in the end (delta: 59.8MB). Free memory was 270.7MB in the beginning and 274.3MB in the end (delta: -3.6MB). Peak memory consumption was 55.6MB. Max. memory is 8.0GB. [2024-04-28 17:25:28,734 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.09ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 144.7MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-28 17:25:28,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.04ms. Allocated memory is still 298.8MB. Free memory was 271.2MB in the beginning and 269.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 17:25:28,735 INFO L158 Benchmark]: Boogie Preprocessor took 11.75ms. Allocated memory is still 298.8MB. Free memory was 269.7MB in the beginning and 268.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-28 17:25:28,735 INFO L158 Benchmark]: RCFGBuilder took 185.86ms. Allocated memory is still 298.8MB. Free memory was 268.6MB in the beginning and 257.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-04-28 17:25:28,736 INFO L158 Benchmark]: TraceAbstraction took 9727.65ms. Allocated memory was 298.8MB in the beginning and 358.6MB in the end (delta: 59.8MB). Free memory was 256.0MB in the beginning and 274.3MB in the end (delta: -18.3MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. [2024-04-28 17:25:28,737 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 0.09ms. Allocated memory is still 174.1MB. Free memory was 144.7MB in the beginning and 144.7MB in the end (delta: 24.8kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.04ms. Allocated memory is still 298.8MB. Free memory was 271.2MB in the beginning and 269.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.75ms. Allocated memory is still 298.8MB. Free memory was 269.7MB in the beginning and 268.6MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 185.86ms. Allocated memory is still 298.8MB. Free memory was 268.6MB in the beginning and 257.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 9727.65ms. Allocated memory was 298.8MB in the beginning and 358.6MB in the end (delta: 59.8MB). Free memory was 256.0MB in the beginning and 274.3MB in the end (delta: -18.3MB). Peak memory consumption was 42.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1561, independent: 1062, independent conditional: 1038, independent unconditional: 24, dependent: 499, dependent conditional: 484, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1069, independent: 1062, independent conditional: 1038, independent unconditional: 24, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1069, independent: 1062, independent conditional: 1038, independent unconditional: 24, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1069, independent: 1062, independent conditional: 1038, independent unconditional: 24, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 566, independent unconditional: 496, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 491, independent unconditional: 571, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 491, independent unconditional: 571, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, independent: 50, independent conditional: 9, independent unconditional: 41, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 29, dependent conditional: 28, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1082, independent: 1012, independent conditional: 482, independent unconditional: 530, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 52, unknown conditional: 10, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 50, Positive conditional cache size: 9, Positive unconditional cache size: 41, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 75, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 566, independent unconditional: 496, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 491, independent unconditional: 571, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1082, independent: 1062, independent conditional: 491, independent unconditional: 571, dependent: 20, dependent conditional: 14, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 52, independent: 50, independent conditional: 9, independent unconditional: 41, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 52, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 30, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 29, dependent conditional: 28, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1082, independent: 1012, independent conditional: 482, independent unconditional: 530, dependent: 18, dependent conditional: 13, dependent unconditional: 5, unknown: 52, unknown conditional: 10, unknown unconditional: 42] , Statistics on independence cache: Total cache size (in pairs): 52, Positive cache size: 50, Positive conditional cache size: 9, Positive unconditional cache size: 41, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 75 ], Independence queries for same thread: 492 - PositiveResult [Line: 51]: 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, 32 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 5.3s, 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: 233, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 2791 SizeOfPredicates, 30 NumberOfNonLiveVariables, 203 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 2/66 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: 0.6s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-28 17:25:28,748 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-28 17:25:28,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...