/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 01:30:21,034 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 01:30:21,111 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 01:30:21,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 01:30:21,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 01:30:21,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 01:30:21,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 01:30:21,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 01:30:21,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 01:30:21,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 01:30:21,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 01:30:21,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 01:30:21,148 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 01:30:21,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 01:30:21,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 01:30:21,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 01:30:21,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 01:30:21,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 01:30:21,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 01:30:21,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:30:21,150 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 01:30:21,150 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 01:30:21,151 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP [2024-11-14 01:30:21,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 01:30:21,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 01:30:21,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 01:30:21,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 01:30:21,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 01:30:21,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2024-11-14 01:30:22,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 01:30:23,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 01:30:23,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2024-11-14 01:30:23,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/79a2ac109/3b6d004f1e1e4a4d8759ca4cfd940bcc/FLAGb63111991 [2024-11-14 01:30:23,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/79a2ac109/3b6d004f1e1e4a4d8759ca4cfd940bcc [2024-11-14 01:30:23,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 01:30:23,246 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 01:30:23,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 01:30:23,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 01:30:23,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 01:30:23,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23, skipping insertion in model container [2024-11-14 01:30:23,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 01:30:23,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2024-11-14 01:30:23,551 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:30:23,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 01:30:23,590 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i[30287,30300] [2024-11-14 01:30:23,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:30:23,628 INFO L204 MainTranslator]: Completed translation [2024-11-14 01:30:23,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23 WrapperNode [2024-11-14 01:30:23,630 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 01:30:23,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 01:30:23,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 01:30:23,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 01:30:23,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,666 INFO L138 Inliner]: procedures = 166, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-14 01:30:23,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 01:30:23,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 01:30:23,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 01:30:23,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 01:30:23,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,677 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,677 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 01:30:23,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 01:30:23,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 01:30:23,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 01:30:23,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (1/1) ... [2024-11-14 01:30:23,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:30:23,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:30:23,733 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) [2024-11-14 01:30:23,738 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 [2024-11-14 01:30:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-14 01:30:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-14 01:30:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 01:30:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 01:30:23,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 01:30:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 01:30:23,763 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 01:30:23,879 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 01:30:23,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 01:30:24,033 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 01:30:24,033 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 01:30:24,041 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 01:30:24,041 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-14 01:30:24,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:30:24 BoogieIcfgContainer [2024-11-14 01:30:24,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 01:30:24,044 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 01:30:24,044 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 01:30:24,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 01:30:24,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 01:30:23" (1/3) ... [2024-11-14 01:30:24,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f7e30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:30:24, skipping insertion in model container [2024-11-14 01:30:24,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:30:23" (2/3) ... [2024-11-14 01:30:24,051 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f7e30f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:30:24, skipping insertion in model container [2024-11-14 01:30:24,051 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:30:24" (3/3) ... [2024-11-14 01:30:24,052 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2024-11-14 01:30:24,067 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 01:30:24,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28_buggy_simple_loop1_vf.i that has 2 procedures, 56 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-14 01:30:24,069 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 01:30:24,169 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 01:30:24,224 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:30:24,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 01:30:24,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:30:24,227 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) [2024-11-14 01:30:24,230 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 [2024-11-14 01:30:24,309 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 01:30:24,320 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-14 01:30:24,329 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;@5db66036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:30:24,329 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 01:30:24,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:30:24,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:30:24,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1367024453, now seen corresponding path program 1 times [2024-11-14 01:30:24,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:30:24,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238667014] [2024-11-14 01:30:24,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:24,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:30:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:24,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:30:24,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:30:24,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238667014] [2024-11-14 01:30:24,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238667014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:30:24,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:30:24,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 01:30:24,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268633182] [2024-11-14 01:30:24,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:30:24,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 01:30:24,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:30:25,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 01:30:25,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 01:30:25,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:25,014 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:30:25,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 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) [2024-11-14 01:30:25,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:25,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 01:30:25,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 01:30:25,095 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:30:25,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:30:25,096 INFO L85 PathProgramCache]: Analyzing trace with hash -316396697, now seen corresponding path program 1 times [2024-11-14 01:30:25,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:30:25,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397181112] [2024-11-14 01:30:25,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:25,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:30:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:30:25,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:30:25,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397181112] [2024-11-14 01:30:25,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397181112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:30:25,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:30:25,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 01:30:25,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661157379] [2024-11-14 01:30:25,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:30:25,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 01:30:25,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:30:25,273 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 01:30:25,273 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 01:30:25,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:25,274 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:30:25,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 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) [2024-11-14 01:30:25,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-14 01:30:25,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:30:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-14 01:30:25,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 01:30:25,412 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:30:25,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:30:25,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1707019174, now seen corresponding path program 1 times [2024-11-14 01:30:25,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:30:25,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4838950] [2024-11-14 01:30:25,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:25,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:30:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:25,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 01:30:25,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:30:25,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4838950] [2024-11-14 01:30:25,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4838950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:30:25,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005495932] [2024-11-14 01:30:25,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:25,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:30:25,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:30:25,569 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) [2024-11-14 01:30:25,571 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 [2024-11-14 01:30:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:25,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-14 01:30:25,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:30:25,713 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 01:30:25,713 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:30:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 01:30:25,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005495932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:30:25,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:30:25,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-14 01:30:25,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532074063] [2024-11-14 01:30:25,796 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:30:25,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-14 01:30:25,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:30:25,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-14 01:30:25,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-14 01:30:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:25,802 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:30:25,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 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) [2024-11-14 01:30:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:30:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-14 01:30:25,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:30:26,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:30:26,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 01:30:26,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 01:30:26,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:30:26,278 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:30:26,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:30:26,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1231428778, now seen corresponding path program 1 times [2024-11-14 01:30:26,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:30:26,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592000597] [2024-11-14 01:30:26,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:30:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:30:27,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:30:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592000597] [2024-11-14 01:30:27,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592000597] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:30:27,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276020288] [2024-11-14 01:30:27,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:27,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:30:27,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:30:27,927 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) [2024-11-14 01:30:27,929 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 [2024-11-14 01:30:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:30:28,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-14 01:30:28,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:30:28,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:30:28,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:30:30,849 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-14 01:30:30,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276020288] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:30:30,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:30:30,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 16] total 49 [2024-11-14 01:30:30,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510586475] [2024-11-14 01:30:30,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:30:30,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-14 01:30:30,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:30:30,851 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-14 01:30:30,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=1930, Unknown=0, NotChecked=0, Total=2352 [2024-11-14 01:30:30,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:30,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:30:30,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.510204081632653) internal successors, (123), 49 states have internal predecessors, (123), 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) [2024-11-14 01:30:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:30:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:30:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-14 01:30:30,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:30:34,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:30:46,018 WARN L286 SmtUtils]: Spent 10.66s on a formula simplification. DAG size of input: 66 DAG size of output: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:30:58,849 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 66 DAG size of output: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:30:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:30:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:30:59,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:30:59,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-14 01:30:59,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 01:30:59,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:30:59,435 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:30:59,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:30:59,435 INFO L85 PathProgramCache]: Analyzing trace with hash 1044287972, now seen corresponding path program 2 times [2024-11-14 01:30:59,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:30:59,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520634139] [2024-11-14 01:30:59,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:30:59,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:30:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:31:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:31:00,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:31:00,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520634139] [2024-11-14 01:31:00,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520634139] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:31:00,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556501336] [2024-11-14 01:31:00,635 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 01:31:00,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:31:00,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:31:00,638 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) [2024-11-14 01:31:00,639 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 [2024-11-14 01:31:00,717 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 01:31:00,717 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:31:00,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-14 01:31:00,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:31:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:31:01,536 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:31:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:31:03,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556501336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:31:03,400 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:31:03,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 21] total 54 [2024-11-14 01:31:03,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349278316] [2024-11-14 01:31:03,401 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:31:03,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-14 01:31:03,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:31:03,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-14 01:31:03,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=2316, Unknown=0, NotChecked=0, Total=2862 [2024-11-14 01:31:03,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:03,404 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:31:03,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.5) internal successors, (135), 54 states have internal predecessors, (135), 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) [2024-11-14 01:31:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:31:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:31:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:31:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-14 01:31:03,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:11,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:31:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:31:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:31:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:31:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:31:11,030 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 01:31:11,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:31:11,213 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:31:11,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:31:11,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1621640149, now seen corresponding path program 3 times [2024-11-14 01:31:11,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:31:11,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143825702] [2024-11-14 01:31:11,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:31:11,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:31:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:31:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 381 proven. 117 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-14 01:31:12,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:31:12,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143825702] [2024-11-14 01:31:12,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143825702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:31:12,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309095432] [2024-11-14 01:31:12,691 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 01:31:12,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:31:12,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:31:12,694 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) [2024-11-14 01:31:12,696 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 [2024-11-14 01:31:12,805 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-14 01:31:12,805 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:31:12,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 01:31:12,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:31:13,139 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 340 proven. 22 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-14 01:31:13,139 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:31:13,509 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 340 proven. 22 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-14 01:31:13,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309095432] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:31:13,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:31:13,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 38 [2024-11-14 01:31:13,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317533156] [2024-11-14 01:31:13,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:31:13,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-14 01:31:13,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:31:13,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-14 01:31:13,512 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1277, Unknown=0, NotChecked=0, Total=1406 [2024-11-14 01:31:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:13,512 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:31:13,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 4.105263157894737) internal successors, (156), 38 states have internal predecessors, (156), 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) [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:31:13,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:31:15,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:31:15,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 01:31:15,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:31:15,900 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:31:15,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:31:15,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1282380321, now seen corresponding path program 4 times [2024-11-14 01:31:15,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:31:15,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569991548] [2024-11-14 01:31:15,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:31:15,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:31:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:31:17,140 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1007 proven. 276 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-11-14 01:31:17,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:31:17,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569991548] [2024-11-14 01:31:17,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569991548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:31:17,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560700903] [2024-11-14 01:31:17,140 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 01:31:17,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:31:17,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:31:17,145 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) [2024-11-14 01:31:17,146 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 [2024-11-14 01:31:17,241 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 01:31:17,241 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:31:17,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-14 01:31:17,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:31:18,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 927 proven. 201 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-11-14 01:31:18,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:31:19,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 931 proven. 197 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-11-14 01:31:19,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [560700903] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:31:19,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:31:19,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 21] total 60 [2024-11-14 01:31:19,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45849490] [2024-11-14 01:31:19,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:31:19,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-14 01:31:19,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:31:19,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-14 01:31:19,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=3352, Unknown=0, NotChecked=0, Total=3540 [2024-11-14 01:31:19,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:19,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:31:19,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.6) internal successors, (216), 60 states have internal predecessors, (216), 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) [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:31:19,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:31:46,629 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:32:18,427 WARN L286 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:32:23,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:32:28,795 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 44 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:32:51,769 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification. DAG size of input: 43 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:32:53,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:32:57,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:33:05,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:33:07,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:33:09,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:33:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:33:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:33:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:33:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:33:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:33:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:33:17,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-11-14 01:33:17,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 01:33:17,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:33:17,984 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:33:17,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:33:17,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1358814065, now seen corresponding path program 5 times [2024-11-14 01:33:17,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:33:17,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693313206] [2024-11-14 01:33:17,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:33:17,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:33:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:33:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3393 proven. 1421 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-11-14 01:33:19,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:33:19,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693313206] [2024-11-14 01:33:19,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693313206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:33:19,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103003582] [2024-11-14 01:33:19,103 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-14 01:33:19,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:33:19,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:33:19,105 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:33:19,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 01:33:19,391 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-14 01:33:19,391 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:33:19,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-14 01:33:19,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:33:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3008 proven. 199 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2024-11-14 01:33:20,217 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:33:21,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3008 proven. 199 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2024-11-14 01:33:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103003582] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:33:21,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:33:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25, 25] total 52 [2024-11-14 01:33:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613311970] [2024-11-14 01:33:21,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:33:21,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-14 01:33:21,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:33:21,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-14 01:33:21,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2532, Unknown=0, NotChecked=0, Total=2652 [2024-11-14 01:33:21,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:33:21,200 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:33:21,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 4.153846153846154) internal successors, (216), 52 states have internal predecessors, (216), 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) [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-11-14 01:33:21,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:33:35,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:17,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:20,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:32,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:34,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:36,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:34:52,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:34:52,377 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 01:34:52,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:34:52,565 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:34:52,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:34:52,566 INFO L85 PathProgramCache]: Analyzing trace with hash 446211429, now seen corresponding path program 6 times [2024-11-14 01:34:52,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:34:52,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339664155] [2024-11-14 01:34:52,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:34:52,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:34:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:34:57,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21630 backedges. 4769 proven. 398 refuted. 0 times theorem prover too weak. 16463 trivial. 0 not checked. [2024-11-14 01:34:57,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:34:57,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339664155] [2024-11-14 01:34:57,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339664155] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:34:57,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575126118] [2024-11-14 01:34:57,630 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-14 01:34:57,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:34:57,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:34:57,632 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:34:57,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 01:34:57,763 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-11-14 01:34:57,763 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:34:57,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 01:34:57,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:34:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 21630 backedges. 3339 proven. 3 refuted. 0 times theorem prover too weak. 18288 trivial. 0 not checked. [2024-11-14 01:34:57,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:34:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 21630 backedges. 3339 proven. 3 refuted. 0 times theorem prover too weak. 18288 trivial. 0 not checked. [2024-11-14 01:34:58,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575126118] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:34:58,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:34:58,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 9, 9] total 44 [2024-11-14 01:34:58,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075958633] [2024-11-14 01:34:58,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:34:58,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-11-14 01:34:58,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:34:58,178 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-11-14 01:34:58,178 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1752, Unknown=0, NotChecked=0, Total=1892 [2024-11-14 01:34:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:34:58,178 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:34:58,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 3.75) internal successors, (165), 44 states have internal predecessors, (165), 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) [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:34:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:35:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:35:01,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-14 01:35:01,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:35:01,390 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:35:01,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:35:01,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1788671291, now seen corresponding path program 7 times [2024-11-14 01:35:01,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:35:01,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393235962] [2024-11-14 01:35:01,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:35:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:35:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:35:04,629 INFO L134 CoverageAnalysis]: Checked inductivity of 15035 backedges. 5611 proven. 789 refuted. 0 times theorem prover too weak. 8635 trivial. 0 not checked. [2024-11-14 01:35:04,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:35:04,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393235962] [2024-11-14 01:35:04,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393235962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:35:04,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [873792078] [2024-11-14 01:35:04,630 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 01:35:04,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:35:04,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:35:04,634 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:35:04,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 01:35:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:35:04,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 755 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 01:35:04,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:35:05,944 INFO L134 CoverageAnalysis]: Checked inductivity of 15035 backedges. 5529 proven. 750 refuted. 0 times theorem prover too weak. 8756 trivial. 0 not checked. [2024-11-14 01:35:05,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:35:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 15035 backedges. 5533 proven. 746 refuted. 0 times theorem prover too weak. 8756 trivial. 0 not checked. [2024-11-14 01:35:08,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [873792078] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:35:08,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:35:08,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 35, 33] total 101 [2024-11-14 01:35:08,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630666145] [2024-11-14 01:35:08,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:35:08,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-14 01:35:08,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:35:08,134 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-14 01:35:08,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=9619, Unknown=0, NotChecked=0, Total=10100 [2024-11-14 01:35:08,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:35:08,137 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:35:08,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.089108910891089) internal successors, (312), 101 states have internal predecessors, (312), 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) [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:35:08,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:35:23,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:35:25,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:35:36,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:35:38,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 01:35:40,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:35:40,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:35:40,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-14 01:35:41,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:35:41,108 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:35:41,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:35:41,109 INFO L85 PathProgramCache]: Analyzing trace with hash 625416285, now seen corresponding path program 8 times [2024-11-14 01:35:41,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:35:41,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526493748] [2024-11-14 01:35:41,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:35:41,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:35:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:35:45,626 INFO L134 CoverageAnalysis]: Checked inductivity of 35561 backedges. 8151 proven. 654 refuted. 0 times theorem prover too weak. 26756 trivial. 0 not checked. [2024-11-14 01:35:45,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:35:45,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526493748] [2024-11-14 01:35:45,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526493748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:35:45,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648416290] [2024-11-14 01:35:45,626 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 01:35:45,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:35:45,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:35:45,629 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:35:45,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 01:35:45,823 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 01:35:45,823 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:35:45,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-11-14 01:35:45,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:35:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 35561 backedges. 8033 proven. 558 refuted. 0 times theorem prover too weak. 26970 trivial. 0 not checked. [2024-11-14 01:35:47,096 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:35:49,335 INFO L134 CoverageAnalysis]: Checked inductivity of 35561 backedges. 8035 proven. 556 refuted. 0 times theorem prover too weak. 26970 trivial. 0 not checked. [2024-11-14 01:35:49,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648416290] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:35:49,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:35:49,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 39, 37] total 113 [2024-11-14 01:35:49,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280573795] [2024-11-14 01:35:49,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:35:49,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 113 states [2024-11-14 01:35:49,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:35:49,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2024-11-14 01:35:49,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=12068, Unknown=0, NotChecked=0, Total=12656 [2024-11-14 01:35:49,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:35:49,346 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:35:49,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 113 states, 113 states have (on average 2.8672566371681416) internal successors, (324), 113 states have internal predecessors, (324), 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) [2024-11-14 01:35:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:35:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:35:49,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:35:49,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:36:03,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:36:03,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:36:03,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-11-14 01:36:03,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 01:36:04,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:36:04,165 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:36:04,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:36:04,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1329826127, now seen corresponding path program 9 times [2024-11-14 01:36:04,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:36:04,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736888810] [2024-11-14 01:36:04,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:36:04,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:36:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:36:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 53719 backedges. 11421 proven. 842 refuted. 0 times theorem prover too weak. 41456 trivial. 0 not checked. [2024-11-14 01:36:09,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:36:09,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736888810] [2024-11-14 01:36:09,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736888810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:36:09,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92680093] [2024-11-14 01:36:09,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 01:36:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:36:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:36:09,701 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:36:09,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-14 01:36:09,945 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2024-11-14 01:36:09,946 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:36:09,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 01:36:09,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:36:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 53719 backedges. 15332 proven. 1035 refuted. 0 times theorem prover too weak. 37352 trivial. 0 not checked. [2024-11-14 01:36:11,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:36:12,762 INFO L134 CoverageAnalysis]: Checked inductivity of 53719 backedges. 15316 proven. 1051 refuted. 0 times theorem prover too weak. 37352 trivial. 0 not checked. [2024-11-14 01:36:12,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92680093] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:36:12,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:36:12,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 29, 29] total 93 [2024-11-14 01:36:12,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759006133] [2024-11-14 01:36:12,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:36:12,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-11-14 01:36:12,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:36:12,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-11-14 01:36:12,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=8150, Unknown=0, NotChecked=0, Total=8556 [2024-11-14 01:36:12,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:36:12,768 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:36:12,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.2795698924731185) internal successors, (305), 93 states have internal predecessors, (305), 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) [2024-11-14 01:36:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:36:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:36:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:36:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:36:12,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2024-11-14 01:36:12,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:36:35,479 WARN L286 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 97 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:36:52,343 WARN L286 SmtUtils]: Spent 16.12s on a formula simplification. DAG size of input: 80 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:00,626 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 55 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:06,906 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 56 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:19,767 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 77 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:32,428 WARN L286 SmtUtils]: Spent 12.07s on a formula simplification. DAG size of input: 72 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:38,652 WARN L286 SmtUtils]: Spent 6.03s on a formula simplification. DAG size of input: 51 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:51,461 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification. DAG size of input: 69 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:37:59,890 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 64 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:38:32,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-11-14 01:38:32,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-11-14 01:38:32,355 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-14 01:38:32,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-14 01:38:32,543 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 01:38:32,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:38:32,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1205039304, now seen corresponding path program 10 times [2024-11-14 01:38:32,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:38:32,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080229067] [2024-11-14 01:38:32,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:38:32,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:38:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:38:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 35357 backedges. 11596 proven. 1387 refuted. 0 times theorem prover too weak. 22374 trivial. 0 not checked. [2024-11-14 01:38:34,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:38:34,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080229067] [2024-11-14 01:38:34,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080229067] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 01:38:34,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433607042] [2024-11-14 01:38:34,932 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 01:38:34,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:38:34,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:38:34,933 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 01:38:34,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-14 01:38:35,141 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 01:38:35,141 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 01:38:35,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 90 conjuncts are in the unsatisfiable core [2024-11-14 01:38:35,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 01:38:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 35357 backedges. 11594 proven. 1381 refuted. 0 times theorem prover too weak. 22382 trivial. 0 not checked. [2024-11-14 01:38:37,769 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 01:38:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 35357 backedges. 11596 proven. 1379 refuted. 0 times theorem prover too weak. 22382 trivial. 0 not checked. [2024-11-14 01:38:40,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433607042] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 01:38:40,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 01:38:40,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 47, 45] total 112 [2024-11-14 01:38:40,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920819178] [2024-11-14 01:38:40,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 01:38:40,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-11-14 01:38:40,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:38:40,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-11-14 01:38:40,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=511, Invalid=11921, Unknown=0, NotChecked=0, Total=12432 [2024-11-14 01:38:40,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:38:40,571 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:38:40,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 3.0089285714285716) internal successors, (337), 112 states have internal predecessors, (337), 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) [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 269 states. [2024-11-14 01:38:40,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-11-14 01:38:40,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-11-14 01:38:40,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2024-11-14 01:38:40,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 179 states. [2024-11-14 01:38:40,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-11-14 01:38:40,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:38:56,401 WARN L286 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 73 DAG size of output: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:39:26,471 WARN L286 SmtUtils]: Spent 26.76s on a formula simplification. DAG size of input: 104 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:39:42,931 WARN L286 SmtUtils]: Spent 14.14s on a formula simplification. DAG size of input: 63 DAG size of output: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:39:54,160 WARN L286 SmtUtils]: Spent 10.85s on a formula simplification. DAG size of input: 64 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:40:23,523 WARN L286 SmtUtils]: Spent 25.86s on a formula simplification. DAG size of input: 101 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:40:53,595 WARN L286 SmtUtils]: Spent 22.97s on a formula simplification. DAG size of input: 96 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:41:14,295 WARN L286 SmtUtils]: Spent 13.38s on a formula simplification. DAG size of input: 58 DAG size of output: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:41:24,433 WARN L286 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 59 DAG size of output: 32 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:41:51,626 WARN L286 SmtUtils]: Spent 22.31s on a formula simplification. DAG size of input: 92 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:42:22,933 WARN L286 SmtUtils]: Spent 20.43s on a formula simplification. DAG size of input: 87 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:42:39,941 WARN L286 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 53 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:42:55,006 WARN L286 SmtUtils]: Spent 8.79s on a formula simplification. DAG size of input: 54 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:43:18,717 WARN L286 SmtUtils]: Spent 16.79s on a formula simplification. DAG size of input: 83 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:43:51,938 WARN L286 SmtUtils]: Spent 19.56s on a formula simplification. DAG size of input: 78 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:44:13,700 WARN L286 SmtUtils]: Spent 8.44s on a formula simplification. DAG size of input: 48 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 01:44:27,316 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 49 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-11-14 01:44:29,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 01:44:29,161 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 01:44:29,161 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 01:44:30,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-14 01:44:30,177 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 [2024-11-14 01:44:30,189 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 [2024-11-14 01:44:30,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 01:44:30,323 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 170 known predicates. [2024-11-14 01:44:30,325 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 01:44:30,329 INFO L422 BasicCegarLoop]: Path program histogram: [10, 1, 1, 1] [2024-11-14 01:44:30,330 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was TIMEOUT (1/2) [2024-11-14 01:44:30,332 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 01:44:30,333 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 01:44:30,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 01:44:30 BasicIcfg [2024-11-14 01:44:30,336 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 01:44:30,337 INFO L158 Benchmark]: Toolchain (without parser) took 847091.37ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 70.9MB in the beginning and 833.7MB in the end (delta: -762.8MB). Peak memory consumption was 874.3MB. Max. memory is 8.0GB. [2024-11-14 01:44:30,337 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:44:30,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.11ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 51.1MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-14 01:44:30,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.80ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 01:44:30,339 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 48.8MB in the end (delta: 816.0kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:44:30,339 INFO L158 Benchmark]: RCFGBuilder took 343.63ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 36.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 01:44:30,339 INFO L158 Benchmark]: TraceAbstraction took 846292.75ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 36.1MB in the beginning and 833.7MB in the end (delta: -797.5MB). Peak memory consumption was 840.7MB. Max. memory is 8.0GB. [2024-11-14 01:44:30,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 100.7MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.11ms. Allocated memory is still 100.7MB. Free memory was 70.7MB in the beginning and 51.1MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.80ms. Allocated memory is still 100.7MB. Free memory was 51.1MB in the beginning and 49.6MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 48.8MB in the end (delta: 816.0kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 343.63ms. Allocated memory is still 100.7MB. Free memory was 48.8MB in the beginning and 36.7MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 846292.75ms. Allocated memory was 100.7MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 36.1MB in the beginning and 833.7MB in the end (delta: -797.5MB). Peak memory consumption was 840.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2779, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 1671, dependent conditional: 1668, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 0, independent unconditional: 1108, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 0, independent unconditional: 1108, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 535, independent: 532, independent conditional: 0, independent unconditional: 532, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 535, independent: 524, independent conditional: 0, independent unconditional: 524, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1111, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 535, unknown conditional: 0, unknown unconditional: 535] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 532, Positive conditional cache size: 0, Positive unconditional cache size: 532, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 521, Maximal queried relation: 0, Independence queries for same thread: 1668, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 54, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590, independent: 587, independent conditional: 0, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2779, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 1671, dependent conditional: 1668, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 521, independent unconditional: 587, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 0, independent unconditional: 1108, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1111, independent: 1108, independent conditional: 0, independent unconditional: 1108, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 535, independent: 532, independent conditional: 0, independent unconditional: 532, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 535, independent: 524, independent conditional: 0, independent unconditional: 524, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 8, independent conditional: 0, independent unconditional: 8, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1111, independent: 576, independent conditional: 0, independent unconditional: 576, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 535, unknown conditional: 0, unknown unconditional: 535] , Statistics on independence cache: Total cache size (in pairs): 535, Positive cache size: 532, Positive conditional cache size: 0, Positive unconditional cache size: 532, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 521, Maximal queried relation: 0, Independence queries for same thread: 1668 - TimeoutResultAtElement [Line: 695]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 170 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 846.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 788.4s, 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: 1437, 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: 0.3s SsaConstructionTime, 4.2s SatisfiabilityAnalysisTime, 50.1s InterpolantComputationTime, 8947 NumberOfCodeBlocks, 7481 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 13341 ConstructedInterpolants, 0 QuantifiedInterpolants, 40968 SizeOfPredicates, 232 NumberOfNonLiveVariables, 4388 ConjunctsInSsa, 497 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 497994/512303 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: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown