/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-16 21:16:54,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-16 21:16:54,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-16 21:16:54,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-16 21:16:54,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-16 21:16:54,664 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-16 21:16:54,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-16 21:16:54,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-16 21:16:54,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-16 21:16:54,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-16 21:16:54,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-16 21:16:54,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * Use SBE=true [2024-12-16 21:16:54,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-16 21:16:54,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-16 21:16:54,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 21:16:54,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-16 21:16:54,669 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-16 21:16:54,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NONE [2024-12-16 21:16:54,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-16 21:16:54,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-16 21:16:54,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-16 21:16:54,903 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-16 21:16:54,904 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-16 21:16:54,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2024-12-16 21:16:54,904 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2024-12-16 21:16:54,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-16 21:16:54,924 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-16 21:16:54,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-16 21:16:54,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-16 21:16:54,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-16 21:16:54,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,942 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-16 21:16:54,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-16 21:16:54,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-16 21:16:54,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-16 21:16:54,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-16 21:16:54,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,955 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-16 21:16:54,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-16 21:16:54,959 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-16 21:16:54,959 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-16 21:16:54,960 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/1) ... [2024-12-16 21:16:54,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-16 21:16:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:54,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-12-16 21:16:54,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-12-16 21:16:55,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-16 21:16:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-16 21:16:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-16 21:16:55,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-16 21:16:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-16 21:16:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-16 21:16:55,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-16 21:16:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-16 21:16:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-16 21:16:55,013 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-16 21:16:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-16 21:16:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-16 21:16:55,014 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-16 21:16:55,054 INFO L234 CfgBuilder]: Building ICFG [2024-12-16 21:16:55,056 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-16 21:16:55,121 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-16 21:16:55,121 INFO L283 CfgBuilder]: Performing block encoding [2024-12-16 21:16:55,138 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-16 21:16:55,139 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-16 21:16:55,139 INFO L201 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:16:55 BoogieIcfgContainer [2024-12-16 21:16:55,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-16 21:16:55,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-16 21:16:55,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-16 21:16:55,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-16 21:16:55,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.12 09:16:54" (1/2) ... [2024-12-16 21:16:55,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ad89aa and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 09:16:55, skipping insertion in model container [2024-12-16 21:16:55,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 09:16:55" (2/2) ... [2024-12-16 21:16:55,145 INFO L128 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2024-12-16 21:16:55,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-16 21:16:55,156 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG three-array-sum-alt.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-12-16 21:16:55,156 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-16 21:16:55,195 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-12-16 21:16:55,231 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 21:16:55,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-16 21:16:55,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:55,233 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-12-16 21:16:55,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-12-16 21:16:55,287 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-16 21:16:55,296 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-16 21:16:55,307 INFO L333 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, 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;@54e8c5f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-16 21:16:55,308 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-12-16 21:16:55,381 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:55,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:55,385 INFO L85 PathProgramCache]: Analyzing trace with hash 728776567, now seen corresponding path program 1 times [2024-12-16 21:16:55,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:55,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230459406] [2024-12-16 21:16:55,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:16:55,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:55,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:16:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:55,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:55,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230459406] [2024-12-16 21:16:55,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230459406] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 21:16:55,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-16 21:16:55,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-16 21:16:55,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373626407] [2024-12-16 21:16:55,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 21:16:55,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-16 21:16:55,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:55,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-16 21:16:55,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-16 21:16:55,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:55,553 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:55,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 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) [2024-12-16 21:16:55,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:55,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:55,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-16 21:16:55,631 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:55,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:55,631 INFO L85 PathProgramCache]: Analyzing trace with hash 2129954237, now seen corresponding path program 1 times [2024-12-16 21:16:55,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:55,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981049205] [2024-12-16 21:16:55,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:16:55,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:16:55,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 21:16:55,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981049205] [2024-12-16 21:16:55,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981049205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:16:55,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852373092] [2024-12-16 21:16:55,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-16 21:16:55,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:55,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:55,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:16:55,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-16 21:16:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-16 21:16:55,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-16 21:16:55,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:16:55,949 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 21:16:55,949 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:16:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 21:16:56,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852373092] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:16:56,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:16:56,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-12-16 21:16:56,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734609563] [2024-12-16 21:16:56,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:16:56,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-12-16 21:16:56,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:56,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-12-16 21:16:56,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-16 21:16:56,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:56,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:56,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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) [2024-12-16 21:16:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:56,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:56,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-12-16 21:16:56,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-16 21:16:56,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:56,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:56,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:56,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1607665771, now seen corresponding path program 2 times [2024-12-16 21:16:56,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:56,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921864516] [2024-12-16 21:16:56,413 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:16:56,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:56,440 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:16:56,440 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 21:16:56,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:56,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921864516] [2024-12-16 21:16:56,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921864516] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:16:56,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1134369364] [2024-12-16 21:16:56,560 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-16 21:16:56,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:56,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:16:56,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-16 21:16:56,602 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-16 21:16:56,602 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:56,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-16 21:16:56,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:16:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-16 21:16:56,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:16:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-16 21:16:56,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1134369364] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:16:56,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:16:56,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2024-12-16 21:16:56,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506695238] [2024-12-16 21:16:56,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:16:56,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-16 21:16:56,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:56,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-16 21:16:56,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-12-16 21:16:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:56,693 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:56,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 10 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) [2024-12-16 21:16:56,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:56,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-12-16 21:16:56,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:56,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-16 21:16:57,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:57,139 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:57,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:57,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1271503945, now seen corresponding path program 3 times [2024-12-16 21:16:57,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:57,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020124006] [2024-12-16 21:16:57,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 21:16:57,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:57,147 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 21:16:57,147 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:57,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:57,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:57,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020124006] [2024-12-16 21:16:57,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020124006] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:16:57,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301758418] [2024-12-16 21:16:57,199 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-16 21:16:57,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:57,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:57,202 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:16:57,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-16 21:16:57,235 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-12-16 21:16:57,235 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:57,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-16 21:16:57,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:16:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-16 21:16:57,265 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-16 21:16:57,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1301758418] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-16 21:16:57,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-16 21:16:57,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-12-16 21:16:57,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259836478] [2024-12-16 21:16:57,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-16 21:16:57,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-16 21:16:57,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:57,266 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-16 21:16:57,266 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-12-16 21:16:57,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:57,267 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:57,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-16 21:16:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:57,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:57,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:57,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-12-16 21:16:57,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:57,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:57,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1133105325, now seen corresponding path program 4 times [2024-12-16 21:16:57,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:57,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392275267] [2024-12-16 21:16:57,536 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 21:16:57,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:57,549 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 21:16:57,550 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:57,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:57,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392275267] [2024-12-16 21:16:57,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392275267] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:16:57,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874571398] [2024-12-16 21:16:57,701 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-16 21:16:57,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:57,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:57,704 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:16:57,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-16 21:16:57,735 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-16 21:16:57,736 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:57,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-16 21:16:57,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:16:57,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-12-16 21:16:57,907 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 13 treesize of output 9 [2024-12-16 21:16:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:57,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:16:57,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:16:57,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 20 [2024-12-16 21:16:57,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:16:57,971 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 12 treesize of output 17 [2024-12-16 21:16:58,019 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:58,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874571398] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:16:58,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:16:58,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-12-16 21:16:58,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693948892] [2024-12-16 21:16:58,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:16:58,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-16 21:16:58,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:58,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-16 21:16:58,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-12-16 21:16:58,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:58,020 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:58,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 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) [2024-12-16 21:16:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:58,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:58,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:58,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-16 21:16:58,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:58,305 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-12-16 21:16:58,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-16 21:16:58,305 INFO L85 PathProgramCache]: Analyzing trace with hash 268072345, now seen corresponding path program 5 times [2024-12-16 21:16:58,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-16 21:16:58,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763059038] [2024-12-16 21:16:58,305 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 21:16:58,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-16 21:16:58,328 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 21:16:58,328 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:58,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-16 21:16:58,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763059038] [2024-12-16 21:16:58,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763059038] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-16 21:16:58,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045510335] [2024-12-16 21:16:58,574 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-16 21:16:58,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-16 21:16:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-16 21:16:58,580 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-16 21:16:58,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-16 21:16:58,612 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-12-16 21:16:58,613 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-16 21:16:58,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-16 21:16:58,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-16 21:16:58,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2024-12-16 21:16:58,893 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 33 treesize of output 25 [2024-12-16 21:16:58,896 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 20 treesize of output 12 [2024-12-16 21:16:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:58,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-16 21:16:58,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:16:58,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 33 treesize of output 58 [2024-12-16 21:16:59,050 INFO L173 IndexEqualityManager]: detected equality via solver [2024-12-16 21:16:59,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-16 21:16:59,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 47 [2024-12-16 21:16:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-16 21:16:59,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045510335] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-16 21:16:59,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-16 21:16:59,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-12-16 21:16:59,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021368117] [2024-12-16 21:16:59,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-16 21:16:59,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-16 21:16:59,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-16 21:16:59,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-16 21:16:59,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2024-12-16 21:16:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:59,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-16 21:16:59,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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) [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-16 21:16:59,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-16 21:16:59,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2024-12-16 21:16:59,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-12-16 21:16:59,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-12-16 21:16:59,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-12-16 21:16:59,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-12-16 21:16:59,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-12-16 21:16:59,768 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1] [2024-12-16 21:16:59,770 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-16 21:16:59,770 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-16 21:16:59,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-12-16 21:16:59,777 INFO L201 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 09:16:59 BasicIcfg [2024-12-16 21:16:59,777 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-16 21:16:59,778 INFO L158 Benchmark]: Toolchain (without parser) took 4853.57ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 98.0MB in the beginning and 106.5MB in the end (delta: -8.5MB). Peak memory consumption was 38.3MB. Max. memory is 16.0GB. [2024-12-16 21:16:59,778 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:16:59,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.19ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:16:59,778 INFO L158 Benchmark]: Boogie Preprocessor took 14.26ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 95.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-16 21:16:59,780 INFO L158 Benchmark]: RCFGBuilder took 180.39ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 82.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2024-12-16 21:16:59,780 INFO L158 Benchmark]: TraceAbstraction took 4636.73ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 82.0MB in the beginning and 106.5MB in the end (delta: -24.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.0GB. [2024-12-16 21:16:59,781 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 0.13ms. Allocated memory is still 167.8MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.19ms. Allocated memory is still 167.8MB. Free memory was 98.0MB in the beginning and 96.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 14.26ms. Allocated memory is still 167.8MB. Free memory was 96.7MB in the beginning and 95.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 180.39ms. Allocated memory is still 167.8MB. Free memory was 95.5MB in the beginning and 82.0MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 4636.73ms. Allocated memory was 167.8MB in the beginning and 142.6MB in the end (delta: -25.2MB). Free memory was 82.0MB in the beginning and 106.5MB in the end (delta: -24.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1711, independent: 1455, independent conditional: 1145, independent unconditional: 310, dependent: 256, dependent conditional: 256, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 0, independent unconditional: 1455, 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: 1455, independent: 1455, independent conditional: 0, independent unconditional: 1455, 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: 277, independent: 277, independent conditional: 0, independent unconditional: 277, 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: 277, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1455, independent: 1178, independent conditional: 0, independent unconditional: 1178, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, 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: 1145, Maximal queried relation: 0, Independence queries for same thread: 256, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 52, Number of trivial persistent sets: 31, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 310, independent: 310, independent conditional: 0, independent unconditional: 310, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1711, independent: 1455, independent conditional: 1145, independent unconditional: 310, dependent: 256, dependent conditional: 256, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 1145, independent unconditional: 310, 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: 1455, independent: 1455, independent conditional: 0, independent unconditional: 1455, 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: 1455, independent: 1455, independent conditional: 0, independent unconditional: 1455, 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: 277, independent: 277, independent conditional: 0, independent unconditional: 277, 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: 277, independent: 275, independent conditional: 0, independent unconditional: 275, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 2, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1455, independent: 1178, independent conditional: 0, independent unconditional: 1178, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 277, unknown conditional: 0, unknown unconditional: 277] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 277, Positive conditional cache size: 0, Positive unconditional cache size: 277, 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: 1145, Maximal queried relation: 0, Independence queries for same thread: 256 - PositiveResult [Line: 66]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 1.1s, 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: 70, 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, 1.9s InterpolantComputationTime, 250 NumberOfCodeBlocks, 250 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 329 ConstructedInterpolants, 0 QuantifiedInterpolants, 2102 SizeOfPredicates, 16 NumberOfNonLiveVariables, 390 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 15 InterpolantComputations, 2 PerfectInterpolantSequences, 21/67 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-12-16 21:16:59,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...