/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 --rcfgbuilder.command.for.external.solver 'z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000' -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-9b88b13 [2024-11-17 15:54:15,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 15:54:15,826 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-17 15:54:15,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 15:54:15,832 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 15:54:15,852 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 15:54:15,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 15:54:15,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 15:54:15,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 15:54:15,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 15:54:15,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 15:54:15,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 15:54:15,855 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 15:54:15,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 15:54:15,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 15:54:15,855 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 15:54:15,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 15:54:15,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-17 15:54:15,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-17 15:54:15,857 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-17 15:54:15,857 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Command for external solver -> z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2024-11-17 15:54:16,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 15:54:16,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 15:54:16,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 15:54:16,082 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 15:54:16,082 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 15:54:16,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2024-11-17 15:54:17,195 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af4485b7b/b06a4d74e00242d4a65fbed869195b1e/FLAGe6cd79f7f [2024-11-17 15:54:17,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 15:54:17,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-ext/28_buggy_simple_loop1_vf.i [2024-11-17 15:54:17,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af4485b7b/b06a4d74e00242d4a65fbed869195b1e/FLAGe6cd79f7f [2024-11-17 15:54:17,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/af4485b7b/b06a4d74e00242d4a65fbed869195b1e [2024-11-17 15:54:17,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 15:54:17,774 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-17 15:54:17,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 15:54:17,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 15:54:17,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 15:54:17,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:54:17" (1/1) ... [2024-11-17 15:54:17,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed21e97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:17, skipping insertion in model container [2024-11-17 15:54:17,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:54:17" (1/1) ... [2024-11-17 15:54:17,803 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 15:54:17,967 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] [2024-11-17 15:54:17,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 15:54:17,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 15:54:18,008 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] [2024-11-17 15:54:18,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 15:54:18,028 INFO L204 MainTranslator]: Completed translation [2024-11-17 15:54:18,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18 WrapperNode [2024-11-17 15:54:18,028 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 15:54:18,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 15:54:18,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 15:54:18,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 15:54:18,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,053 INFO L138 Inliner]: procedures = 166, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2024-11-17 15:54:18,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 15:54:18,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 15:54:18,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 15:54:18,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 15:54:18,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,062 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,068 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 15:54:18,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-17 15:54:18,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-17 15:54:18,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-17 15:54:18,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (1/1) ... [2024-11-17 15:54:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 [2024-11-17 15:54:18,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:18,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-17 15:54:18,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-17 15:54:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-11-17 15:54:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-11-17 15:54:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 15:54:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-17 15:54:18,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 15:54:18,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 15:54:18,132 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-17 15:54:18,227 INFO L238 CfgBuilder]: Building ICFG [2024-11-17 15:54:18,228 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 15:54:18,358 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-17 15:54:18,358 INFO L287 CfgBuilder]: Performing block encoding [2024-11-17 15:54:18,365 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 15:54:18,365 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-17 15:54:18,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:54:18 BoogieIcfgContainer [2024-11-17 15:54:18,366 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-17 15:54:18,367 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 15:54:18,367 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 15:54:18,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 15:54:18,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:54:17" (1/3) ... [2024-11-17 15:54:18,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d99e6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:54:18, skipping insertion in model container [2024-11-17 15:54:18,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:54:18" (2/3) ... [2024-11-17 15:54:18,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d99e6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:54:18, skipping insertion in model container [2024-11-17 15:54:18,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:54:18" (3/3) ... [2024-11-17 15:54:18,374 INFO L112 eAbstractionObserver]: Analyzing ICFG 28_buggy_simple_loop1_vf.i [2024-11-17 15:54:18,385 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 15:54:18,387 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. [2024-11-17 15:54:18,388 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-17 15:54:18,457 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-17 15:54:18,488 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 15:54:18,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-17 15:54:18,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:18,490 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) [2024-11-17 15:54:18,492 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 [2024-11-17 15:54:18,539 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-17 15:54:18,547 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2024-11-17 15:54:18,553 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;@6625784c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 15:54:18,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-17 15:54:18,840 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:18,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:18,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1367024453, now seen corresponding path program 1 times [2024-11-17 15:54:18,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:18,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291112437] [2024-11-17 15:54:18,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:18,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:19,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:19,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291112437] [2024-11-17 15:54:19,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291112437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 15:54:19,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 15:54:19,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 15:54:19,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47966438] [2024-11-17 15:54:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 15:54:19,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 15:54:19,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:19,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 15:54:19,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 15:54:19,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,115 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:19,117 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) [2024-11-17 15:54:19,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 15:54:19,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 15:54:19,175 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:19,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:19,175 INFO L85 PathProgramCache]: Analyzing trace with hash -316396697, now seen corresponding path program 1 times [2024-11-17 15:54:19,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:19,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706778947] [2024-11-17 15:54:19,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:19,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:19,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:19,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706778947] [2024-11-17 15:54:19,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706778947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 15:54:19,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 15:54:19,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 15:54:19,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689137085] [2024-11-17 15:54:19,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 15:54:19,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 15:54:19,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:19,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 15:54:19,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 15:54:19,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,325 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:19,327 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) [2024-11-17 15:54:19,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-11-17 15:54:19,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:19,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 15:54:19,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 15:54:19,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:19,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:19,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1707019174, now seen corresponding path program 1 times [2024-11-17 15:54:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:19,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727890459] [2024-11-17 15:54:19,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:19,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:19,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 15:54:19,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727890459] [2024-11-17 15:54:19,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727890459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 15:54:19,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090844968] [2024-11-17 15:54:19,574 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:19,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 15:54:19,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:19,577 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) [2024-11-17 15:54:19,578 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 [2024-11-17 15:54:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:19,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 15:54:19,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 15:54:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 15:54:19,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 15:54:19,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 15:54:19,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090844968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 15:54:19,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 15:54:19,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 15:54:19,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984715425] [2024-11-17 15:54:19,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 15:54:19,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 15:54:19,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:19,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 15:54:19,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-17 15:54:19,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,756 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:19,756 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) [2024-11-17 15:54:19,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:19,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-11-17 15:54:19,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:19,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 15:54:19,993 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 15:54:20,183 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 [2024-11-17 15:54:20,184 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:20,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1231428778, now seen corresponding path program 1 times [2024-11-17 15:54:20,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:20,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367878116] [2024-11-17 15:54:20,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:21,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367878116] [2024-11-17 15:54:21,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367878116] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 15:54:21,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546276631] [2024-11-17 15:54:21,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:21,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 15:54:21,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:21,540 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) [2024-11-17 15:54:21,542 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 [2024-11-17 15:54:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:21,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-17 15:54:21,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 15:54:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:22,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 15:54:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 15:54:23,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546276631] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 15:54:23,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 15:54:23,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 16] total 49 [2024-11-17 15:54:23,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653492428] [2024-11-17 15:54:23,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 15:54:23,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-11-17 15:54:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:23,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-11-17 15:54:23,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=422, Invalid=1930, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 15:54:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:23,801 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:23,801 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) [2024-11-17 15:54:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-17 15:54:23,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:37,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 15:54:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:42,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:54:42,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-11-17 15:54:42,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 15:54:43,114 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 [2024-11-17 15:54:43,115 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:43,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:43,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1044287972, now seen corresponding path program 2 times [2024-11-17 15:54:43,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:43,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428602883] [2024-11-17 15:54:43,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:44,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:44,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428602883] [2024-11-17 15:54:44,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428602883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 15:54:44,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1239151798] [2024-11-17 15:54:44,086 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 15:54:44,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 15:54:44,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:44,088 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) [2024-11-17 15:54:44,089 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 [2024-11-17 15:54:44,142 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 15:54:44,142 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 15:54:44,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-17 15:54:44,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 15:54:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:44,808 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 15:54:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 15:54:46,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1239151798] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 15:54:46,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 15:54:46,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 21] total 54 [2024-11-17 15:54:46,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735595288] [2024-11-17 15:54:46,517 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 15:54:46,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-17 15:54:46,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:46,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-17 15:54:46,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=546, Invalid=2316, Unknown=0, NotChecked=0, Total=2862 [2024-11-17 15:54:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:46,519 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:46,519 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) [2024-11-17 15:54:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:54:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2024-11-17 15:54:46,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:53,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:54:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-17 15:54:53,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-17 15:54:53,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 15:54:53,985 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 [2024-11-17 15:54:53,985 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:53,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:53,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1621640149, now seen corresponding path program 3 times [2024-11-17 15:54:53,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:53,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582593201] [2024-11-17 15:54:53,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:53,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:55,112 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 381 proven. 117 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-17 15:54:55,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582593201] [2024-11-17 15:54:55,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582593201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 15:54:55,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388166622] [2024-11-17 15:54:55,112 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 15:54:55,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 15:54:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:55,116 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) [2024-11-17 15:54:55,117 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 [2024-11-17 15:54:55,194 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-17 15:54:55,195 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 15:54:55,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 15:54:55,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 15:54:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 340 proven. 22 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-17 15:54:55,457 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 15:54:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 340 proven. 22 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-17 15:54:55,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388166622] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 15:54:55,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 15:54:55,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 13, 13] total 38 [2024-11-17 15:54:55,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447258260] [2024-11-17 15:54:55,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 15:54:55,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-17 15:54:55,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:54:55,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-17 15:54:55,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1277, Unknown=0, NotChecked=0, Total=1406 [2024-11-17 15:54:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:55,777 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:54:55,777 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) [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-17 15:54:55,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:54:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:54:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:54:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:54:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-17 15:54:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-17 15:54:57,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-17 15:54:57,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 15:54:57,998 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 [2024-11-17 15:54:57,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 15:54:57,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 15:54:57,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1282380321, now seen corresponding path program 4 times [2024-11-17 15:54:58,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 15:54:58,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131917353] [2024-11-17 15:54:58,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 15:54:58,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 15:54:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 15:54:58,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 1007 proven. 276 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-11-17 15:54:58,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 15:54:58,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131917353] [2024-11-17 15:54:58,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131917353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 15:54:58,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3204079] [2024-11-17 15:54:58,910 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 15:54:58,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 15:54:58,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 15:54:58,914 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) [2024-11-17 15:54:58,915 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 [2024-11-17 15:54:58,991 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 15:54:58,992 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 15:54:58,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-17 15:54:59,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 15:54:59,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 927 proven. 201 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-11-17 15:54:59,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 15:55:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2023 backedges. 931 proven. 197 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2024-11-17 15:55:00,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3204079] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 15:55:00,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 15:55:00,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 23, 21] total 60 [2024-11-17 15:55:00,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992758597] [2024-11-17 15:55:00,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 15:55:00,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-11-17 15:55:00,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 15:55:00,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-11-17 15:55:00,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=3352, Unknown=0, NotChecked=0, Total=3540 [2024-11-17 15:55:00,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:55:00,580 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 15:55:00,580 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) [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-17 15:55:00,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 15:55:13,786 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 42 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:55:38,160 WARN L286 SmtUtils]: Spent 24.25s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:55:51,765 WARN L286 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 39 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:56:26,987 WARN L286 SmtUtils]: Spent 14.63s on a formula simplification. DAG size of input: 41 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:57:16,424 WARN L286 SmtUtils]: Spent 12.05s on a formula simplification. DAG size of input: 33 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:57:40,921 WARN L286 SmtUtils]: Spent 24.32s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:57:54,719 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification. DAG size of input: 36 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:58:19,262 WARN L286 SmtUtils]: Spent 12.26s on a formula simplification. DAG size of input: 43 DAG size of output: 39 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:59:05,490 WARN L286 SmtUtils]: Spent 12.22s on a formula simplification. DAG size of input: 38 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:59:19,248 WARN L286 SmtUtils]: Spent 13.40s on a formula simplification. DAG size of input: 48 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 15:59:31,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 15:59:57,166 WARN L286 SmtUtils]: Spent 25.62s 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) [2024-11-17 16:00:15,766 WARN L286 SmtUtils]: Spent 12.34s on a formula simplification. DAG size of input: 49 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:00:40,056 WARN L286 SmtUtils]: Spent 24.06s on a formula simplification. DAG size of input: 35 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:01:10,956 WARN L286 SmtUtils]: Spent 25.44s on a formula simplification. DAG size of input: 43 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:01:22,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:01:37,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:02:25,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:02:37,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:02:49,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-17 16:03:38,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-17 16:03:38,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2024-11-17 16:03:38,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 16:03:38,627 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 [2024-11-17 16:03:38,627 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-17 16:03:38,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 16:03:38,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1358814065, now seen corresponding path program 5 times [2024-11-17 16:03:38,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 16:03:38,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399602669] [2024-11-17 16:03:38,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 16:03:38,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 16:03:38,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 16:03:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3393 proven. 1421 refuted. 0 times theorem prover too weak. 1827 trivial. 0 not checked. [2024-11-17 16:03:39,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 16:03:39,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399602669] [2024-11-17 16:03:39,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399602669] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 16:03:39,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796285652] [2024-11-17 16:03:39,620 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 16:03:39,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 16:03:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-17 16:03:39,625 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) [2024-11-17 16:03:39,626 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 [2024-11-17 16:03:39,869 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-11-17 16:03:39,869 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 16:03:39,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-17 16:03:39,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 16:03:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3008 proven. 199 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2024-11-17 16:03:41,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 16:03:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 6641 backedges. 3008 proven. 199 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2024-11-17 16:03:43,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796285652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 16:03:43,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 16:03:43,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 25, 25] total 52 [2024-11-17 16:03:43,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261109731] [2024-11-17 16:03:43,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 16:03:43,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-17 16:03:43,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 16:03:43,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-17 16:03:43,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=2532, Unknown=0, NotChecked=0, Total=2652 [2024-11-17 16:03:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:03:43,018 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-17 16:03:43,018 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) [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2024-11-17 16:03:43,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-17 16:04:16,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:04:41,700 WARN L286 SmtUtils]: Spent 25.20s on a formula simplification. DAG size of input: 47 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:04:59,911 WARN L286 SmtUtils]: Spent 12.41s on a formula simplification. DAG size of input: 52 DAG size of output: 45 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:05:16,315 WARN L286 SmtUtils]: Spent 16.16s on a formula simplification. DAG size of input: 38 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:06:34,316 WARN L286 SmtUtils]: Spent 24.17s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:07:11,146 WARN L286 SmtUtils]: Spent 24.56s on a formula simplification. DAG size of input: 46 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-17 16:07:23,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-17 16:07:50,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-11-17 16:08:52,091 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 16:08:52,091 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-17 16:08:52,091 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 [2024-11-17 16:08:53,103 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 [2024-11-17 16:08:53,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 16:08:53,291 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Forcibly destroying the process [2024-11-17 16:08:53,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 137 [2024-11-17 16:08:53,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 16:08:53,310 WARN L596 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-11-17 16:08:53,312 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-17 16:08:53,315 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1] [2024-11-17 16:08:53,316 INFO L320 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was TIMEOUT (1/2) [2024-11-17 16:08:53,318 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-17 16:08:53,318 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 16:08:53,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:08:53 BasicIcfg [2024-11-17 16:08:53,320 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 16:08:53,320 INFO L158 Benchmark]: Toolchain (without parser) took 875545.82ms. Allocated memory was 71.3MB in the beginning and 264.2MB in the end (delta: 192.9MB). Free memory was 43.2MB in the beginning and 130.5MB in the end (delta: -87.3MB). Peak memory consumption was 101.8MB. Max. memory is 8.0GB. [2024-11-17 16:08:53,320 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 16:08:53,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.46ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-17 16:08:53,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.45ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-17 16:08:53,321 INFO L158 Benchmark]: Boogie Preprocessor took 16.68ms. Allocated memory is still 71.3MB. Free memory was 22.2MB in the beginning and 21.3MB in the end (delta: 883.2kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-17 16:08:53,321 INFO L158 Benchmark]: RCFGBuilder took 294.89ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 35.3MB in the end (delta: -14.1MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. [2024-11-17 16:08:53,321 INFO L158 Benchmark]: TraceAbstraction took 874952.32ms. Allocated memory was 71.3MB in the beginning and 264.2MB in the end (delta: 192.9MB). Free memory was 34.7MB in the beginning and 130.5MB in the end (delta: -95.7MB). Peak memory consumption was 94.2MB. Max. memory is 8.0GB. [2024-11-17 16:08:53,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 27.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.46ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 23.6MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.45ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.2MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 16.68ms. Allocated memory is still 71.3MB. Free memory was 22.2MB in the beginning and 21.3MB in the end (delta: 883.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 294.89ms. Allocated memory is still 71.3MB. Free memory was 21.3MB in the beginning and 35.3MB in the end (delta: -14.1MB). Peak memory consumption was 7.6MB. Max. memory is 8.0GB. * TraceAbstraction took 874952.32ms. Allocated memory was 71.3MB in the beginning and 264.2MB in the end (delta: 192.9MB). Free memory was 34.7MB in the beginning and 130.5MB in the end (delta: -95.7MB). Peak memory consumption was 94.2MB. 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: 1487, independent: 928, independent conditional: 341, independent unconditional: 587, dependent: 559, dependent conditional: 556, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 224, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 931, independent: 396, independent conditional: 0, independent unconditional: 396, 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: 341, Maximal queried relation: 0, Independence queries for same thread: 556, 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: 1487, independent: 928, independent conditional: 341, independent unconditional: 587, dependent: 559, dependent conditional: 556, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 341, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 224, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 931, independent: 396, independent conditional: 0, independent unconditional: 396, 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: 341, Maximal queried relation: 0, Independence queries for same thread: 556 - TimeoutResultAtElement [Line: 695]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - 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: 874.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 857.2s, 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: 659, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 15.3s InterpolantComputationTime, 2003 NumberOfCodeBlocks, 1678 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 2940 ConstructedInterpolants, 0 QuantifiedInterpolants, 14657 SizeOfPredicates, 85 NumberOfNonLiveVariables, 993 ConjunctsInSsa, 187 ConjunctsInUnsatCore, 20 InterpolantComputations, 2 PerfectInterpolantSequences, 25620/28397 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown